diff --git a/config/config.example.toml b/config/config.example.toml
index ee868beb092b..c1ba88db0195 100644
--- a/config/config.example.toml
+++ b/config/config.example.toml
@@ -171,6 +171,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -349,6 +350,7 @@ stax = { long_lived_token = true, payment_method = "card,bank_debit" }
 square = { long_lived_token = false, payment_method = "card" }
 braintree = { long_lived_token = false, payment_method = "card" }
 gocardless = { long_lived_token = true, payment_method = "bank_debit" }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [temp_locker_enable_config]
 stripe = { payment_method = "bank_transfer" }
diff --git a/config/deployments/integration_test.toml b/config/deployments/integration_test.toml
index 10776c766789..77040f79a4a1 100644
--- a/config/deployments/integration_test.toml
+++ b/config/deployments/integration_test.toml
@@ -21,6 +21,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -292,6 +293,7 @@ payme = { long_lived_token = false, payment_method = "card" }
 square = { long_lived_token = false, payment_method = "card" }
 stax = { long_lived_token = true, payment_method = "card,bank_debit" }
 stripe = { long_lived_token = false, payment_method = "wallet", payment_method_type = { list = "google_pay", type = "disable_only" } }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [webhooks]
 outgoing_enabled = true
diff --git a/config/deployments/production.toml b/config/deployments/production.toml
index a6405e4a3b2d..23df14862b9b 100644
--- a/config/deployments/production.toml
+++ b/config/deployments/production.toml
@@ -25,6 +25,7 @@ authorizedotnet.base_url = "https://api.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://api.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://bitpay.com"
 bluesnap.base_url = "https://ws.bluesnap.com/"
 bluesnap.secondary_base_url = "https://pay.bluesnap.com/"
@@ -306,6 +307,7 @@ payme = { long_lived_token = false, payment_method = "card" }
 square = { long_lived_token = false, payment_method = "card" }
 stax = { long_lived_token = true, payment_method = "card,bank_debit" }
 stripe = { long_lived_token = false, payment_method = "wallet", payment_method_type = { list = "google_pay", type = "disable_only" } }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [webhooks]
 outgoing_enabled = true
diff --git a/config/deployments/sandbox.toml b/config/deployments/sandbox.toml
index 035c90af3789..8ae12dc54a62 100644
--- a/config/deployments/sandbox.toml
+++ b/config/deployments/sandbox.toml
@@ -25,6 +25,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -308,6 +309,7 @@ payme = { long_lived_token = false, payment_method = "card" }
 square = { long_lived_token = false, payment_method = "card" }
 stax = { long_lived_token = true, payment_method = "card,bank_debit" }
 stripe = { long_lived_token = false, payment_method = "wallet", payment_method_type = { list = "google_pay", type = "disable_only" } }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [webhooks]
 outgoing_enabled = true
diff --git a/config/development.toml b/config/development.toml
index 5c063acf2f71..8ba5c076071a 100644
--- a/config/development.toml
+++ b/config/development.toml
@@ -167,6 +167,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -450,6 +451,7 @@ square = { long_lived_token = false, payment_method = "card" }
 braintree = { long_lived_token = false, payment_method = "card" }
 payme = { long_lived_token = false, payment_method = "card" }
 gocardless = { long_lived_token = true, payment_method = "bank_debit" }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [temp_locker_enable_config]
 stripe = { payment_method = "bank_transfer" }
diff --git a/config/docker_compose.toml b/config/docker_compose.toml
index 0e034f2e1457..eb32b47e3b41 100644
--- a/config/docker_compose.toml
+++ b/config/docker_compose.toml
@@ -105,6 +105,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -251,6 +252,7 @@ stax = { long_lived_token = true, payment_method = "card,bank_debit" }
 square = { long_lived_token = false, payment_method = "card" }
 braintree = { long_lived_token = false, payment_method = "card" }
 gocardless = { long_lived_token = true, payment_method = "bank_debit" }
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [temp_locker_enable_config]
 stripe = { payment_method = "bank_transfer" }
diff --git a/crates/api_models/src/enums.rs b/crates/api_models/src/enums.rs
index b29377886d5e..354dec29237b 100644
--- a/crates/api_models/src/enums.rs
+++ b/crates/api_models/src/enums.rs
@@ -78,7 +78,7 @@ pub enum Connector {
     Authorizedotnet,
     Bambora,
     Bankofamerica,
-    // Billwerk, Added as template code for future usage
+    Billwerk,
     Bitpay,
     Bluesnap,
     Boku,
@@ -166,7 +166,7 @@ impl Connector {
             | Self::Authorizedotnet
             | Self::Bambora
             | Self::Bankofamerica
-            // | Self::Billwerk Added as template code for future usage
+            | Self::Billwerk
             | Self::Bitpay
             | Self::Bluesnap
             | Self::Boku
@@ -223,7 +223,7 @@ impl Connector {
             | Self::Authorizedotnet
             | Self::Bambora
             | Self::Bankofamerica
-            // | Self::Billwerk Added as template for future usage
+            | Self::Billwerk
             | Self::Bitpay
             | Self::Bluesnap
             | Self::Boku
diff --git a/crates/common_enums/src/enums.rs b/crates/common_enums/src/enums.rs
index 548e721f0d39..497f1f58729d 100644
--- a/crates/common_enums/src/enums.rs
+++ b/crates/common_enums/src/enums.rs
@@ -115,7 +115,7 @@ pub enum RoutableConnectors {
     Airwallex,
     Authorizedotnet,
     Bankofamerica,
-    // Billwerk, Added as template code for future usage
+    Billwerk,
     Bitpay,
     Bambora,
     Bluesnap,
diff --git a/crates/connector_configs/src/connector.rs b/crates/connector_configs/src/connector.rs
index 74317319f500..5a67847a9e51 100644
--- a/crates/connector_configs/src/connector.rs
+++ b/crates/connector_configs/src/connector.rs
@@ -228,7 +228,7 @@ impl ConnectorConfig {
             Connector::Airwallex => Ok(connector_data.airwallex),
             Connector::Authorizedotnet => Ok(connector_data.authorizedotnet),
             Connector::Bankofamerica => Ok(connector_data.bankofamerica),
-            // Connector::Billwerk => Ok(connector_data.billwerk), Added as template code for future usage
+            Connector::Billwerk => Ok(connector_data.billwerk),
             Connector::Bitpay => Ok(connector_data.bitpay),
             Connector::Bluesnap => Ok(connector_data.bluesnap),
             Connector::Boku => Ok(connector_data.boku),
diff --git a/crates/connector_configs/toml/development.toml b/crates/connector_configs/toml/development.toml
index 0e18bb33ed29..0233b916668c 100644
--- a/crates/connector_configs/toml/development.toml
+++ b/crates/connector_configs/toml/development.toml
@@ -2587,4 +2587,45 @@ api_key="Api Key"
 [threedsecureio.metadata]
 mcc="MCC"
 merchant_country_code="3 digit numeric country code"
-merchant_name="Name of the merchant"
\ No newline at end of file
+merchant_name="Name of the merchant"
+
+[billwerk]
+[[billwerk.credit]]
+  payment_method_type = "Mastercard"
+[[billwerk.credit]]
+  payment_method_type = "Visa"
+[[billwerk.credit]]
+  payment_method_type = "Interac"
+[[billwerk.credit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.credit]]
+  payment_method_type = "JCB"
+[[billwerk.credit]]
+  payment_method_type = "DinersClub"
+[[billwerk.credit]]
+  payment_method_type = "Discover"
+[[billwerk.credit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.credit]]
+  payment_method_type = "UnionPay"
+[[billwerk.debit]]
+  payment_method_type = "Mastercard"
+[[billwerk.debit]]
+  payment_method_type = "Visa"
+[[billwerk.debit]]
+  payment_method_type = "Interac"
+[[billwerk.debit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.debit]]
+  payment_method_type = "JCB"
+[[billwerk.debit]]
+  payment_method_type = "DinersClub"
+[[billwerk.debit]]
+  payment_method_type = "Discover"
+[[billwerk.debit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.debit]]
+  payment_method_type = "UnionPay"
+[billwerk.connector_auth.BodyKey]
+api_key="Private Api Key"
+key1="Public Api Key"
\ No newline at end of file
diff --git a/crates/connector_configs/toml/production.toml b/crates/connector_configs/toml/production.toml
index 079ead7e4ced..58f9ccfa2c39 100644
--- a/crates/connector_configs/toml/production.toml
+++ b/crates/connector_configs/toml/production.toml
@@ -1913,4 +1913,45 @@ terminal_uuid="Terminal UUID"
 pay_wall_secret="Pay Wall Secret"
 [zen.metadata.google_pay]
 terminal_uuid="Terminal UUID"
-pay_wall_secret="Pay Wall Secret"
\ No newline at end of file
+pay_wall_secret="Pay Wall Secret"
+
+[billwerk]
+[[billwerk.credit]]
+  payment_method_type = "Mastercard"
+[[billwerk.credit]]
+  payment_method_type = "Visa"
+[[billwerk.credit]]
+  payment_method_type = "Interac"
+[[billwerk.credit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.credit]]
+  payment_method_type = "JCB"
+[[billwerk.credit]]
+  payment_method_type = "DinersClub"
+[[billwerk.credit]]
+  payment_method_type = "Discover"
+[[billwerk.credit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.credit]]
+  payment_method_type = "UnionPay"
+[[billwerk.debit]]
+  payment_method_type = "Mastercard"
+[[billwerk.debit]]
+  payment_method_type = "Visa"
+[[billwerk.debit]]
+  payment_method_type = "Interac"
+[[billwerk.debit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.debit]]
+  payment_method_type = "JCB"
+[[billwerk.debit]]
+  payment_method_type = "DinersClub"
+[[billwerk.debit]]
+  payment_method_type = "Discover"
+[[billwerk.debit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.debit]]
+  payment_method_type = "UnionPay"
+[billwerk.connector_auth.BodyKey]
+api_key="Private Api Key"
+key1="Public Api Key"
\ No newline at end of file
diff --git a/crates/connector_configs/toml/sandbox.toml b/crates/connector_configs/toml/sandbox.toml
index f484e9145318..9103c548e658 100644
--- a/crates/connector_configs/toml/sandbox.toml
+++ b/crates/connector_configs/toml/sandbox.toml
@@ -2589,4 +2589,45 @@ api_key="Api Key"
 [threedsecureio.metadata]
 mcc="MCC"
 merchant_country_code="3 digit numeric country code"
-merchant_name="Name of the merchant"
\ No newline at end of file
+merchant_name="Name of the merchant"
+
+[billwerk]
+[[billwerk.credit]]
+  payment_method_type = "Mastercard"
+[[billwerk.credit]]
+  payment_method_type = "Visa"
+[[billwerk.credit]]
+  payment_method_type = "Interac"
+[[billwerk.credit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.credit]]
+  payment_method_type = "JCB"
+[[billwerk.credit]]
+  payment_method_type = "DinersClub"
+[[billwerk.credit]]
+  payment_method_type = "Discover"
+[[billwerk.credit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.credit]]
+  payment_method_type = "UnionPay"
+[[billwerk.debit]]
+  payment_method_type = "Mastercard"
+[[billwerk.debit]]
+  payment_method_type = "Visa"
+[[billwerk.debit]]
+  payment_method_type = "Interac"
+[[billwerk.debit]]
+  payment_method_type = "AmericanExpress"
+[[billwerk.debit]]
+  payment_method_type = "JCB"
+[[billwerk.debit]]
+  payment_method_type = "DinersClub"
+[[billwerk.debit]]
+  payment_method_type = "Discover"
+[[billwerk.debit]]
+  payment_method_type = "CartesBancaires"
+[[billwerk.debit]]
+  payment_method_type = "UnionPay"
+[billwerk.connector_auth.BodyKey]
+api_key="Private Api Key"
+key1="Public Api Key"
diff --git a/crates/router/src/connector/billwerk.rs b/crates/router/src/connector/billwerk.rs
index 154b729abc9a..b6839f5de24d 100644
--- a/crates/router/src/connector/billwerk.rs
+++ b/crates/router/src/connector/billwerk.rs
@@ -2,12 +2,15 @@ pub mod transformers;
 
 use std::fmt::Debug;
 
+use base64::Engine;
 use error_stack::{report, ResultExt};
-use masking::ExposeInterface;
+use masking::PeekInterface;
 use transformers as billwerk;
 
+use super::utils::RefundsRequestData;
 use crate::{
     configs::settings,
+    consts,
     core::errors::{self, CustomResult},
     events::connector_api_logs::ConnectorEvent,
     headers,
@@ -40,16 +43,6 @@ impl api::RefundExecute for Billwerk {}
 impl api::RefundSync for Billwerk {}
 impl api::PaymentToken for Billwerk {}
 
-impl
-    ConnectorIntegration<
-        api::PaymentMethodToken,
-        types::PaymentMethodTokenizationData,
-        types::PaymentsResponseData,
-    > for Billwerk
-{
-    // Not Implemented (R)
-}
-
 impl<Flow, Request, Response> ConnectorCommonExt<Flow, Request, Response> for Billwerk
 where
     Self: ConnectorIntegration<Flow, Request, Response>,
@@ -92,9 +85,10 @@ impl ConnectorCommon for Billwerk {
     ) -> CustomResult<Vec<(String, request::Maskable<String>)>, errors::ConnectorError> {
         let auth = billwerk::BillwerkAuthType::try_from(auth_type)
             .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
+        let encoded_api_key = consts::BASE64_ENGINE.encode(format!("{}:", auth.api_key.peek()));
         Ok(vec![(
             headers::AUTHORIZATION.to_string(),
-            auth.api_key.expose().into_masked(),
+            format!("Basic {encoded_api_key}").into_masked(),
         )])
     }
 
@@ -113,9 +107,13 @@ impl ConnectorCommon for Billwerk {
 
         Ok(ErrorResponse {
             status_code: res.status_code,
-            code: response.code,
-            message: response.message,
-            reason: response.reason,
+            code: response
+                .code
+                .map_or(consts::NO_ERROR_CODE.to_string(), |code| code.to_string()),
+            message: response
+                .message
+                .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
+            reason: Some(response.error),
             attempt_status: None,
             connector_transaction_id: None,
         })
@@ -123,7 +121,20 @@ impl ConnectorCommon for Billwerk {
 }
 
 impl ConnectorValidation for Billwerk {
-    //TODO: implement functions when support enabled
+    fn validate_capture_method(
+        &self,
+        capture_method: Option<common_enums::CaptureMethod>,
+        _pmt: Option<common_enums::PaymentMethodType>,
+    ) -> CustomResult<(), errors::ConnectorError> {
+        let capture_method = capture_method.unwrap_or_default();
+        match capture_method {
+            common_enums::CaptureMethod::Automatic | common_enums::CaptureMethod::Manual => Ok(()),
+            common_enums::CaptureMethod::ManualMultiple
+            | common_enums::CaptureMethod::Scheduled => Err(
+                super::utils::construct_not_implemented_error_report(capture_method, self.id()),
+            ),
+        }
+    }
 }
 
 impl ConnectorIntegration<api::Session, types::PaymentsSessionData, types::PaymentsResponseData>
@@ -146,6 +157,105 @@ impl
 {
 }
 
+impl
+    ConnectorIntegration<
+        api::PaymentMethodToken,
+        types::PaymentMethodTokenizationData,
+        types::PaymentsResponseData,
+    > for Billwerk
+{
+    fn get_headers(
+        &self,
+        req: &types::TokenizationRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<Vec<(String, request::Maskable<String>)>, errors::ConnectorError> {
+        self.build_headers(req, connectors)
+    }
+
+    fn get_content_type(&self) -> &'static str {
+        self.common_get_content_type()
+    }
+
+    fn get_url(
+        &self,
+        _req: &types::TokenizationRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<String, errors::ConnectorError> {
+        let base_url = connectors
+            .billwerk
+            .secondary_base_url
+            .as_ref()
+            .ok_or(errors::ConnectorError::FailedToObtainIntegrationUrl)?;
+        Ok(format!("{base_url}v1/token"))
+    }
+
+    fn get_request_body(
+        &self,
+        req: &types::TokenizationRouterData,
+        _connectors: &settings::Connectors,
+    ) -> CustomResult<RequestContent, errors::ConnectorError> {
+        let connector_req = billwerk::BillwerkTokenRequest::try_from(req)?;
+        Ok(RequestContent::Json(Box::new(connector_req)))
+    }
+
+    fn build_request(
+        &self,
+        req: &types::TokenizationRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
+        Ok(Some(
+            services::RequestBuilder::new()
+                .method(services::Method::Post)
+                .url(&types::TokenizationType::get_url(self, req, connectors)?)
+                .attach_default_headers()
+                .headers(types::TokenizationType::get_headers(self, req, connectors)?)
+                .set_body(types::TokenizationType::get_request_body(
+                    self, req, connectors,
+                )?)
+                .build(),
+        ))
+    }
+
+    fn handle_response(
+        &self,
+        data: &types::TokenizationRouterData,
+        event_builder: Option<&mut ConnectorEvent>,
+        res: Response,
+    ) -> CustomResult<types::TokenizationRouterData, errors::ConnectorError>
+    where
+        types::PaymentsResponseData: Clone,
+    {
+        let response: billwerk::BillwerkTokenResponse = res
+            .response
+            .parse_struct("BillwerkTokenResponse")
+            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
+        event_builder.map(|i| i.set_response_body(&response));
+        router_env::logger::info!(connector_response=?response);
+        types::RouterData::try_from(types::ResponseRouterData {
+            response,
+            data: data.clone(),
+            http_code: res.status_code,
+        })
+        .change_context(errors::ConnectorError::ResponseHandlingFailed)
+    }
+
+    fn get_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
+}
+
 impl ConnectorIntegration<api::Authorize, types::PaymentsAuthorizeData, types::PaymentsResponseData>
     for Billwerk
 {
@@ -164,9 +274,9 @@ impl ConnectorIntegration<api::Authorize, types::PaymentsAuthorizeData, types::P
     fn get_url(
         &self,
         _req: &types::PaymentsAuthorizeRouterData,
-        _connectors: &settings::Connectors,
+        connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_url method".to_string()).into())
+        Ok(format!("{}v1/charge", self.base_url(connectors)))
     }
 
     fn get_request_body(
@@ -214,7 +324,7 @@ impl ConnectorIntegration<api::Authorize, types::PaymentsAuthorizeData, types::P
     ) -> CustomResult<types::PaymentsAuthorizeRouterData, errors::ConnectorError> {
         let response: billwerk::BillwerkPaymentsResponse = res
             .response
-            .parse_struct("Billwerk PaymentsAuthorizeResponse")
+            .parse_struct("Billwerk BillwerkPaymentsResponse")
             .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
         event_builder.map(|i| i.set_response_body(&response));
         router_env::logger::info!(connector_response=?response);
@@ -232,6 +342,14 @@ impl ConnectorIntegration<api::Authorize, types::PaymentsAuthorizeData, types::P
     ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
         self.build_error_response(res, event_builder)
     }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsResponseData>
@@ -251,10 +369,14 @@ impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsRe
 
     fn get_url(
         &self,
-        _req: &types::PaymentsSyncRouterData,
-        _connectors: &settings::Connectors,
+        req: &types::PaymentsSyncRouterData,
+        connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_url method".to_string()).into())
+        Ok(format!(
+            "{}v1/charge/{}",
+            self.base_url(connectors),
+            req.connector_request_reference_id
+        ))
     }
 
     fn build_request(
@@ -280,7 +402,7 @@ impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsRe
     ) -> CustomResult<types::PaymentsSyncRouterData, errors::ConnectorError> {
         let response: billwerk::BillwerkPaymentsResponse = res
             .response
-            .parse_struct("billwerk PaymentsSyncResponse")
+            .parse_struct("billwerk BillwerkPaymentsResponse")
             .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
         event_builder.map(|i| i.set_response_body(&response));
         router_env::logger::info!(connector_response=?response);
@@ -298,6 +420,14 @@ impl ConnectorIntegration<api::PSync, types::PaymentsSyncData, types::PaymentsRe
     ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
         self.build_error_response(res, event_builder)
     }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 impl ConnectorIntegration<api::Capture, types::PaymentsCaptureData, types::PaymentsResponseData>
@@ -317,18 +447,29 @@ impl ConnectorIntegration<api::Capture, types::PaymentsCaptureData, types::Payme
 
     fn get_url(
         &self,
-        _req: &types::PaymentsCaptureRouterData,
-        _connectors: &settings::Connectors,
+        req: &types::PaymentsCaptureRouterData,
+        connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_url method".to_string()).into())
+        let connector_transaction_id = &req.request.connector_transaction_id;
+        Ok(format!(
+            "{}v1/charge/{connector_transaction_id}/settle",
+            self.base_url(connectors)
+        ))
     }
 
     fn get_request_body(
         &self,
-        _req: &types::PaymentsCaptureRouterData,
+        req: &types::PaymentsCaptureRouterData,
         _connectors: &settings::Connectors,
     ) -> CustomResult<RequestContent, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_request_body method".to_string()).into())
+        let connector_router_data = billwerk::BillwerkRouterData::try_from((
+            &self.get_currency_unit(),
+            req.request.currency,
+            req.request.amount_to_capture,
+            req,
+        ))?;
+        let connector_req = billwerk::BillwerkCaptureRequest::try_from(&connector_router_data)?;
+        Ok(RequestContent::Json(Box::new(connector_req)))
     }
 
     fn build_request(
@@ -359,7 +500,7 @@ impl ConnectorIntegration<api::Capture, types::PaymentsCaptureData, types::Payme
     ) -> CustomResult<types::PaymentsCaptureRouterData, errors::ConnectorError> {
         let response: billwerk::BillwerkPaymentsResponse = res
             .response
-            .parse_struct("Billwerk PaymentsCaptureResponse")
+            .parse_struct("Billwerk BillwerkPaymentsResponse")
             .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
         event_builder.map(|i| i.set_response_body(&response));
         router_env::logger::info!(connector_response=?response);
@@ -377,11 +518,92 @@ impl ConnectorIntegration<api::Capture, types::PaymentsCaptureData, types::Payme
     ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
         self.build_error_response(res, event_builder)
     }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 impl ConnectorIntegration<api::Void, types::PaymentsCancelData, types::PaymentsResponseData>
     for Billwerk
 {
+    fn get_headers(
+        &self,
+        req: &types::PaymentsCancelRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<Vec<(String, request::Maskable<String>)>, errors::ConnectorError> {
+        self.build_headers(req, connectors)
+    }
+
+    fn get_content_type(&self) -> &'static str {
+        self.common_get_content_type()
+    }
+
+    fn get_url(
+        &self,
+        req: &types::PaymentsCancelRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<String, errors::ConnectorError> {
+        let connector_transaction_id = &req.request.connector_transaction_id;
+        Ok(format!(
+            "{}v1/charge/{connector_transaction_id}/cancel",
+            self.base_url(connectors)
+        ))
+    }
+
+    fn build_request(
+        &self,
+        req: &types::PaymentsCancelRouterData,
+        connectors: &settings::Connectors,
+    ) -> CustomResult<Option<services::Request>, errors::ConnectorError> {
+        Ok(Some(
+            services::RequestBuilder::new()
+                .method(services::Method::Post)
+                .url(&types::PaymentsVoidType::get_url(self, req, connectors)?)
+                .attach_default_headers()
+                .headers(types::PaymentsVoidType::get_headers(self, req, connectors)?)
+                .build(),
+        ))
+    }
+
+    fn handle_response(
+        &self,
+        data: &types::PaymentsCancelRouterData,
+        event_builder: Option<&mut ConnectorEvent>,
+        res: Response,
+    ) -> CustomResult<types::PaymentsCancelRouterData, errors::ConnectorError> {
+        let response: billwerk::BillwerkPaymentsResponse = res
+            .response
+            .parse_struct("Billwerk BillwerkPaymentsResponse")
+            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
+        event_builder.map(|i| i.set_response_body(&response));
+        router_env::logger::info!(connector_response=?response);
+        types::RouterData::try_from(types::ResponseRouterData {
+            response,
+            data: data.clone(),
+            http_code: res.status_code,
+        })
+    }
+
+    fn get_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 impl ConnectorIntegration<api::Execute, types::RefundsData, types::RefundsResponseData>
@@ -402,9 +624,9 @@ impl ConnectorIntegration<api::Execute, types::RefundsData, types::RefundsRespon
     fn get_url(
         &self,
         _req: &types::RefundsRouterData<api::Execute>,
-        _connectors: &settings::Connectors,
+        connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_url method".to_string()).into())
+        Ok(format!("{}v1/refund", self.base_url(connectors)))
     }
 
     fn get_request_body(
@@ -467,6 +689,14 @@ impl ConnectorIntegration<api::Execute, types::RefundsData, types::RefundsRespon
     ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
         self.build_error_response(res, event_builder)
     }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 impl ConnectorIntegration<api::RSync, types::RefundsData, types::RefundsResponseData> for Billwerk {
@@ -484,10 +714,14 @@ impl ConnectorIntegration<api::RSync, types::RefundsData, types::RefundsResponse
 
     fn get_url(
         &self,
-        _req: &types::RefundSyncRouterData,
-        _connectors: &settings::Connectors,
+        req: &types::RefundSyncRouterData,
+        connectors: &settings::Connectors,
     ) -> CustomResult<String, errors::ConnectorError> {
-        Err(errors::ConnectorError::NotImplemented("get_url method".to_string()).into())
+        let refund_id = req.request.get_connector_refund_id()?;
+        Ok(format!(
+            "{}v1/refund/{refund_id}",
+            self.base_url(connectors)
+        ))
     }
 
     fn build_request(
@@ -534,6 +768,14 @@ impl ConnectorIntegration<api::RSync, types::RefundsData, types::RefundsResponse
     ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
         self.build_error_response(res, event_builder)
     }
+
+    fn get_5xx_error_response(
+        &self,
+        res: Response,
+        event_builder: Option<&mut ConnectorEvent>,
+    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
+        self.build_error_response(res, event_builder)
+    }
 }
 
 #[async_trait::async_trait]
diff --git a/crates/router/src/connector/billwerk/transformers.rs b/crates/router/src/connector/billwerk/transformers.rs
index c6f025b78986..ffcd14bf05f9 100644
--- a/crates/router/src/connector/billwerk/transformers.rs
+++ b/crates/router/src/connector/billwerk/transformers.rs
@@ -1,15 +1,16 @@
-use masking::Secret;
+use common_utils::pii::{Email, SecretSerdeValue};
+use masking::{ExposeInterface, Secret};
 use serde::{Deserialize, Serialize};
 
 use crate::{
-    connector::utils::PaymentsAuthorizeRequestData,
+    connector::utils::{self, CardData, PaymentsAuthorizeRequestData, RouterData},
+    consts,
     core::errors,
     types::{self, api, storage::enums},
 };
 
-//TODO: Fill the struct with respective fields
 pub struct BillwerkRouterData<T> {
-    pub amount: i64, // The type of amount that a connector accepts, for example, String, i64, f64, etc.
+    pub amount: i64,
     pub router_data: T,
 }
 
@@ -30,7 +31,6 @@ impl<T>
             T,
         ),
     ) -> Result<Self, Self::Error> {
-        //Todo :  use utils to convert the amount to the type of amount that a connector accepts
         Ok(Self {
             amount,
             router_data: item,
@@ -38,89 +38,213 @@ impl<T>
     }
 }
 
-//TODO: Fill the struct with respective fields
-#[derive(Default, Debug, Serialize, Eq, PartialEq)]
-pub struct BillwerkPaymentsRequest {
-    amount: i64,
-    card: BillwerkCard,
+pub struct BillwerkAuthType {
+    pub(super) api_key: Secret<String>,
+    pub(super) public_api_key: Secret<String>,
 }
 
-#[derive(Default, Debug, Serialize, Eq, PartialEq)]
-pub struct BillwerkCard {
+impl TryFrom<&types::ConnectorAuthType> for BillwerkAuthType {
+    type Error = error_stack::Report<errors::ConnectorError>;
+    fn try_from(auth_type: &types::ConnectorAuthType) -> Result<Self, Self::Error> {
+        match auth_type {
+            types::ConnectorAuthType::BodyKey { api_key, key1 } => Ok(Self {
+                api_key: api_key.to_owned(),
+                public_api_key: key1.to_owned(),
+            }),
+            _ => Err(errors::ConnectorError::FailedToObtainAuthType.into()),
+        }
+    }
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum BillwerkTokenRequestIntent {
+    ChargeAndStore,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum BillwerkStrongAuthRule {
+    UseScaIfAvailableAuth,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BillwerkTokenRequest {
     number: cards::CardNumber,
-    expiry_month: Secret<String>,
-    expiry_year: Secret<String>,
-    cvc: Secret<String>,
-    complete: bool,
+    month: Secret<String>,
+    year: Secret<String>,
+    cvv: Secret<String>,
+    pkey: Secret<String>,
+    recurring: Option<bool>,
+    intent: Option<BillwerkTokenRequestIntent>,
+    strong_authentication_rule: Option<BillwerkStrongAuthRule>,
 }
 
-impl TryFrom<&BillwerkRouterData<&types::PaymentsAuthorizeRouterData>> for BillwerkPaymentsRequest {
+impl TryFrom<&types::TokenizationRouterData> for BillwerkTokenRequest {
     type Error = error_stack::Report<errors::ConnectorError>;
-    fn try_from(
-        item: &BillwerkRouterData<&types::PaymentsAuthorizeRouterData>,
-    ) -> Result<Self, Self::Error> {
-        match item.router_data.request.payment_method_data.clone() {
-            api::PaymentMethodData::Card(req_card) => {
-                let card = BillwerkCard {
-                    number: req_card.card_number,
-                    expiry_month: req_card.card_exp_month,
-                    expiry_year: req_card.card_exp_year,
-                    cvc: req_card.card_cvc,
-                    complete: item.router_data.request.is_auto_capture()?,
-                };
+    fn try_from(item: &types::TokenizationRouterData) -> Result<Self, Self::Error> {
+        match item.request.payment_method_data.clone() {
+            api::PaymentMethodData::Card(ccard) => {
+                let connector_auth = &item.connector_auth_type;
+                let auth_type = BillwerkAuthType::try_from(connector_auth)?;
                 Ok(Self {
-                    amount: item.amount.to_owned(),
-                    card,
+                    number: ccard.card_number.clone(),
+                    month: ccard.card_exp_month.clone(),
+                    year: ccard.get_card_expiry_year_2_digit()?,
+                    cvv: ccard.card_cvc,
+                    pkey: auth_type.public_api_key,
+                    recurring: None,
+                    intent: None,
+                    strong_authentication_rule: None,
                 })
             }
-            _ => Err(errors::ConnectorError::NotImplemented("Payment methods".to_string()).into()),
+            api_models::payments::PaymentMethodData::Wallet(_)
+            | api_models::payments::PaymentMethodData::CardRedirect(_)
+            | api_models::payments::PaymentMethodData::PayLater(_)
+            | api_models::payments::PaymentMethodData::BankRedirect(_)
+            | api_models::payments::PaymentMethodData::BankDebit(_)
+            | api_models::payments::PaymentMethodData::BankTransfer(_)
+            | api_models::payments::PaymentMethodData::Crypto(_)
+            | api_models::payments::PaymentMethodData::MandatePayment
+            | api_models::payments::PaymentMethodData::Reward
+            | api_models::payments::PaymentMethodData::Upi(_)
+            | api_models::payments::PaymentMethodData::Voucher(_)
+            | api_models::payments::PaymentMethodData::GiftCard(_)
+            | api_models::payments::PaymentMethodData::CardToken(_) => {
+                Err(errors::ConnectorError::NotImplemented(
+                    utils::get_unimplemented_payment_method_error_message("billwerk"),
+                )
+                .into())
+            }
         }
     }
 }
 
-//TODO: Fill the struct with respective fields
-// Auth Struct
-pub struct BillwerkAuthType {
-    pub(super) api_key: Secret<String>,
+#[derive(Debug, Deserialize, Serialize)]
+pub struct BillwerkTokenResponse {
+    id: Secret<String>,
+    recurring: Option<bool>,
 }
 
-impl TryFrom<&types::ConnectorAuthType> for BillwerkAuthType {
+impl<T>
+    TryFrom<
+        types::ResponseRouterData<
+            api::PaymentMethodToken,
+            BillwerkTokenResponse,
+            T,
+            types::PaymentsResponseData,
+        >,
+    > for types::RouterData<api::PaymentMethodToken, T, types::PaymentsResponseData>
+{
     type Error = error_stack::Report<errors::ConnectorError>;
-    fn try_from(auth_type: &types::ConnectorAuthType) -> Result<Self, Self::Error> {
-        match auth_type {
-            types::ConnectorAuthType::HeaderKey { api_key } => Ok(Self {
-                api_key: api_key.to_owned(),
+    fn try_from(
+        item: types::ResponseRouterData<
+            api::PaymentMethodToken,
+            BillwerkTokenResponse,
+            T,
+            types::PaymentsResponseData,
+        >,
+    ) -> Result<Self, Self::Error> {
+        Ok(Self {
+            response: Ok(types::PaymentsResponseData::TokenizationResponse {
+                token: item.response.id.expose(),
             }),
-            _ => Err(errors::ConnectorError::FailedToObtainAuthType.into()),
-        }
+            ..item.data
+        })
+    }
+}
+
+#[derive(Debug, Serialize)]
+pub struct BillwerkCustomerObject {
+    handle: Option<String>,
+    email: Option<Email>,
+    address: Option<Secret<String>>,
+    address2: Option<Secret<String>>,
+    city: Option<String>,
+    country: Option<common_enums::CountryAlpha2>,
+    first_name: Option<Secret<String>>,
+    last_name: Option<Secret<String>>,
+}
+
+#[derive(Debug, Serialize)]
+pub struct BillwerkPaymentsRequest {
+    handle: String,
+    amount: i64,
+    source: Secret<String>,
+    currency: common_enums::Currency,
+    customer: BillwerkCustomerObject,
+    metadata: Option<SecretSerdeValue>,
+    settle: bool,
+}
+
+impl TryFrom<&BillwerkRouterData<&types::PaymentsAuthorizeRouterData>> for BillwerkPaymentsRequest {
+    type Error = error_stack::Report<errors::ConnectorError>;
+    fn try_from(
+        item: &BillwerkRouterData<&types::PaymentsAuthorizeRouterData>,
+    ) -> Result<Self, Self::Error> {
+        if item.router_data.is_three_ds() {
+            return Err(errors::ConnectorError::NotImplemented(
+                "Three_ds payments through Billwerk".to_string(),
+            )
+            .into());
+        };
+        let source = match item.router_data.get_payment_method_token()? {
+            types::PaymentMethodToken::Token(pm_token) => Ok(Secret::new(pm_token)),
+            _ => Err(errors::ConnectorError::MissingRequiredField {
+                field_name: "payment_method_token",
+            }),
+        }?;
+        Ok(Self {
+            handle: item.router_data.connector_request_reference_id.clone(),
+            amount: item.amount,
+            source,
+            currency: item.router_data.request.currency,
+            customer: BillwerkCustomerObject {
+                handle: item.router_data.customer_id.clone(),
+                email: item.router_data.request.email.clone(),
+                address: item.router_data.get_optional_billing_line1(),
+                address2: item.router_data.get_optional_billing_line2(),
+                city: item.router_data.get_optional_billing_city(),
+                country: item.router_data.get_optional_billing_country(),
+                first_name: item.router_data.get_optional_billing_first_name(),
+                last_name: item.router_data.get_optional_billing_last_name(),
+            },
+            metadata: item.router_data.request.metadata.clone(),
+            settle: item.router_data.request.is_auto_capture()?,
+        })
     }
 }
-// PaymentsResponse
-//TODO: Append the remaining status flags
-#[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq)]
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 #[serde(rename_all = "lowercase")]
-pub enum BillwerkPaymentStatus {
-    Succeeded,
+pub enum BillwerkPaymentState {
+    Created,
+    Authorized,
+    Pending,
+    Settled,
     Failed,
-    #[default]
-    Processing,
+    Cancelled,
 }
 
-impl From<BillwerkPaymentStatus> for enums::AttemptStatus {
-    fn from(item: BillwerkPaymentStatus) -> Self {
+impl From<BillwerkPaymentState> for enums::AttemptStatus {
+    fn from(item: BillwerkPaymentState) -> Self {
         match item {
-            BillwerkPaymentStatus::Succeeded => Self::Charged,
-            BillwerkPaymentStatus::Failed => Self::Failure,
-            BillwerkPaymentStatus::Processing => Self::Authorizing,
+            BillwerkPaymentState::Created | BillwerkPaymentState::Pending => Self::Pending,
+            BillwerkPaymentState::Authorized => Self::Authorized,
+            BillwerkPaymentState::Settled => Self::Charged,
+            BillwerkPaymentState::Failed => Self::Failure,
+            BillwerkPaymentState::Cancelled => Self::Voided,
         }
     }
 }
 
-//TODO: Fill the struct with respective fields
-#[derive(Default, Debug, Clone, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 pub struct BillwerkPaymentsResponse {
-    status: BillwerkPaymentStatus,
-    id: String,
+    state: BillwerkPaymentState,
+    handle: String,
+    error: Option<String>,
+    error_state: Option<String>,
 }
 
 impl<F, T>
@@ -136,28 +260,65 @@ impl<F, T>
             types::PaymentsResponseData,
         >,
     ) -> Result<Self, Self::Error> {
+        let error_response = if item.response.error.is_some() || item.response.error_state.is_some()
+        {
+            Some(types::ErrorResponse {
+                code: item
+                    .response
+                    .error_state
+                    .clone()
+                    .unwrap_or(consts::NO_ERROR_CODE.to_string()),
+                message: item
+                    .response
+                    .error_state
+                    .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
+                reason: item.response.error,
+                status_code: item.http_code,
+                attempt_status: None,
+                connector_transaction_id: Some(item.response.handle.clone()),
+            })
+        } else {
+            None
+        };
+        let payments_response = types::PaymentsResponseData::TransactionResponse {
+            resource_id: types::ResponseId::ConnectorTransactionId(item.response.handle.clone()),
+            redirection_data: None,
+            mandate_reference: None,
+            connector_metadata: None,
+            network_txn_id: None,
+            connector_response_reference_id: Some(item.response.handle),
+            incremental_authorization_allowed: None,
+        };
         Ok(Self {
-            status: enums::AttemptStatus::from(item.response.status),
-            response: Ok(types::PaymentsResponseData::TransactionResponse {
-                resource_id: types::ResponseId::ConnectorTransactionId(item.response.id),
-                redirection_data: None,
-                mandate_reference: None,
-                connector_metadata: None,
-                network_txn_id: None,
-                connector_response_reference_id: None,
-                incremental_authorization_allowed: None,
-            }),
+            status: enums::AttemptStatus::from(item.response.state),
+            response: error_response.map_or_else(|| Ok(payments_response), Err),
             ..item.data
         })
     }
 }
 
-//TODO: Fill the struct with respective fields
-// REFUND :
+#[derive(Debug, Serialize)]
+pub struct BillwerkCaptureRequest {
+    amount: i64,
+}
+
+impl TryFrom<&BillwerkRouterData<&types::PaymentsCaptureRouterData>> for BillwerkCaptureRequest {
+    type Error = error_stack::Report<errors::ConnectorError>;
+    fn try_from(
+        item: &BillwerkRouterData<&types::PaymentsCaptureRouterData>,
+    ) -> Result<Self, Self::Error> {
+        Ok(Self {
+            amount: item.amount,
+        })
+    }
+}
+
 // Type definition for RefundRequest
-#[derive(Default, Debug, Serialize)]
+#[derive(Debug, Serialize)]
 pub struct BillwerkRefundRequest {
+    pub invoice: String,
     pub amount: i64,
+    pub text: Option<String>,
 }
 
 impl<F> TryFrom<&BillwerkRouterData<&types::RefundsRouterData<F>>> for BillwerkRefundRequest {
@@ -166,38 +327,36 @@ impl<F> TryFrom<&BillwerkRouterData<&types::RefundsRouterData<F>>> for BillwerkR
         item: &BillwerkRouterData<&types::RefundsRouterData<F>>,
     ) -> Result<Self, Self::Error> {
         Ok(Self {
-            amount: item.amount.to_owned(),
+            amount: item.amount,
+            invoice: item.router_data.request.connector_transaction_id.clone(),
+            text: item.router_data.request.reason.clone(),
         })
     }
 }
 
 // Type definition for Refund Response
-
-#[allow(dead_code)]
-#[derive(Debug, Serialize, Default, Deserialize, Clone)]
-pub enum RefundStatus {
-    Succeeded,
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum RefundState {
+    Refunded,
     Failed,
-    #[default]
     Processing,
 }
 
-impl From<RefundStatus> for enums::RefundStatus {
-    fn from(item: RefundStatus) -> Self {
+impl From<RefundState> for enums::RefundStatus {
+    fn from(item: RefundState) -> Self {
         match item {
-            RefundStatus::Succeeded => Self::Success,
-            RefundStatus::Failed => Self::Failure,
-            RefundStatus::Processing => Self::Pending,
-            //TODO: Review mapping
+            RefundState::Refunded => Self::Success,
+            RefundState::Failed => Self::Failure,
+            RefundState::Processing => Self::Pending,
         }
     }
 }
 
-//TODO: Fill the struct with respective fields
-#[derive(Default, Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct RefundResponse {
     id: String,
-    status: RefundStatus,
+    state: RefundState,
 }
 
 impl TryFrom<types::RefundsResponseRouterData<api::Execute, RefundResponse>>
@@ -210,7 +369,7 @@ impl TryFrom<types::RefundsResponseRouterData<api::Execute, RefundResponse>>
         Ok(Self {
             response: Ok(types::RefundsResponseData {
                 connector_refund_id: item.response.id.to_string(),
-                refund_status: enums::RefundStatus::from(item.response.status),
+                refund_status: enums::RefundStatus::from(item.response.state),
             }),
             ..item.data
         })
@@ -227,18 +386,16 @@ impl TryFrom<types::RefundsResponseRouterData<api::RSync, RefundResponse>>
         Ok(Self {
             response: Ok(types::RefundsResponseData {
                 connector_refund_id: item.response.id.to_string(),
-                refund_status: enums::RefundStatus::from(item.response.status),
+                refund_status: enums::RefundStatus::from(item.response.state),
             }),
             ..item.data
         })
     }
 }
 
-//TODO: Fill the struct with respective fields
-#[derive(Default, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct BillwerkErrorResponse {
-    pub status_code: u16,
-    pub code: String,
-    pub message: String,
-    pub reason: Option<String>,
+    pub code: Option<i32>,
+    pub error: String,
+    pub message: Option<String>,
 }
diff --git a/crates/router/src/connector/utils.rs b/crates/router/src/connector/utils.rs
index 89b88243057c..804ad3ef3d00 100644
--- a/crates/router/src/connector/utils.rs
+++ b/crates/router/src/connector/utils.rs
@@ -88,6 +88,14 @@ pub trait RouterData {
 
     fn get_optional_billing(&self) -> Option<&api::Address>;
     fn get_optional_shipping(&self) -> Option<&api::Address>;
+    fn get_optional_billing_line1(&self) -> Option<Secret<String>>;
+    fn get_optional_billing_line2(&self) -> Option<Secret<String>>;
+    fn get_optional_billing_city(&self) -> Option<String>;
+    fn get_optional_billing_country(&self) -> Option<enums::CountryAlpha2>;
+    fn get_optional_billing_zip(&self) -> Option<Secret<String>>;
+    fn get_optional_billing_state(&self) -> Option<Secret<String>>;
+    fn get_optional_billing_first_name(&self) -> Option<Secret<String>>;
+    fn get_optional_billing_last_name(&self) -> Option<Secret<String>>;
 }
 
 pub trait PaymentResponseRouterData {
@@ -202,6 +210,94 @@ impl<Flow, Request, Response> RouterData for types::RouterData<Flow, Request, Re
             .ok_or_else(missing_field_err("session_token"))
     }
 
+    fn get_optional_billing_line1(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.line1)
+            })
+    }
+
+    fn get_optional_billing_line2(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.line2)
+            })
+    }
+
+    fn get_optional_billing_city(&self) -> Option<String> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.city)
+            })
+    }
+
+    fn get_optional_billing_country(&self) -> Option<enums::CountryAlpha2> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.country)
+            })
+    }
+
+    fn get_optional_billing_zip(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.zip)
+            })
+    }
+
+    fn get_optional_billing_state(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.state)
+            })
+    }
+
+    fn get_optional_billing_first_name(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.first_name)
+            })
+    }
+
+    fn get_optional_billing_last_name(&self) -> Option<Secret<String>> {
+        self.address
+            .get_payment_method_billing()
+            .and_then(|billing_address| {
+                billing_address
+                    .clone()
+                    .address
+                    .and_then(|billing_address_details| billing_address_details.last_name)
+            })
+    }
+
     fn to_connector_meta<T>(&self) -> Result<T, Error>
     where
         T: serde::de::DeserializeOwned,
diff --git a/crates/router/src/core/admin.rs b/crates/router/src/core/admin.rs
index f48227b926ef..ab402f3a891f 100644
--- a/crates/router/src/core/admin.rs
+++ b/crates/router/src/core/admin.rs
@@ -1731,10 +1731,10 @@ pub(crate) fn validate_auth_and_metadata_type(
             bankofamerica::transformers::BankOfAmericaAuthType::try_from(val)?;
             Ok(())
         }
-        // api_enums::Connector::Billwerk => {
-        //     billwerk::transformers::BillwerkAuthType::try_from(val)?;
-        //     Ok(())
-        // } Added as template code for future usage
+        api_enums::Connector::Billwerk => {
+            billwerk::transformers::BillwerkAuthType::try_from(val)?;
+            Ok(())
+        }
         api_enums::Connector::Bitpay => {
             bitpay::transformers::BitpayAuthType::try_from(val)?;
             Ok(())
diff --git a/crates/router/src/types/api.rs b/crates/router/src/types/api.rs
index 4b72c7ac2e63..b5a4d04c9271 100644
--- a/crates/router/src/types/api.rs
+++ b/crates/router/src/types/api.rs
@@ -326,7 +326,7 @@ impl ConnectorData {
                 enums::Connector::Authorizedotnet => Ok(Box::new(&connector::Authorizedotnet)),
                 enums::Connector::Bambora => Ok(Box::new(&connector::Bambora)),
                 enums::Connector::Bankofamerica => Ok(Box::new(&connector::Bankofamerica)),
-                // enums::Connector::Billwerk => Ok(Box::new(&connector::Billwerk)), Added as template code for future usage
+                enums::Connector::Billwerk => Ok(Box::new(&connector::Billwerk)),
                 enums::Connector::Bitpay => Ok(Box::new(&connector::Bitpay)),
                 enums::Connector::Bluesnap => Ok(Box::new(&connector::Bluesnap)),
                 enums::Connector::Boku => Ok(Box::new(&connector::Boku)),
diff --git a/crates/router/src/types/transformers.rs b/crates/router/src/types/transformers.rs
index 237dea196d68..3362aad6fc55 100644
--- a/crates/router/src/types/transformers.rs
+++ b/crates/router/src/types/transformers.rs
@@ -188,7 +188,7 @@ impl ForeignTryFrom<api_enums::Connector> for common_enums::RoutableConnectors {
             api_enums::Connector::Authorizedotnet => Self::Authorizedotnet,
             api_enums::Connector::Bambora => Self::Bambora,
             api_enums::Connector::Bankofamerica => Self::Bankofamerica,
-            // api_enums::Connector::Billwerk => Self::Billwerk, Added as template code for future usage
+            api_enums::Connector::Billwerk => Self::Billwerk,
             api_enums::Connector::Bitpay => Self::Bitpay,
             api_enums::Connector::Bluesnap => Self::Bluesnap,
             api_enums::Connector::Boku => Self::Boku,
diff --git a/loadtest/config/development.toml b/loadtest/config/development.toml
index 9a9a7606ca1d..72eb6f255595 100644
--- a/loadtest/config/development.toml
+++ b/loadtest/config/development.toml
@@ -72,6 +72,7 @@ authorizedotnet.base_url = "https://apitest.authorize.net/xml/v1/request.api"
 bambora.base_url = "https://api.na.bambora.com"
 bankofamerica.base_url = "https://apitest.merchant-services.bankofamerica.com/"
 billwerk.base_url = "https://api.reepay.com/"
+billwerk.secondary_base_url = "https://card.reepay.com/"
 bitpay.base_url = "https://test.bitpay.com"
 bluesnap.base_url = "https://sandbox.bluesnap.com/"
 bluesnap.secondary_base_url = "https://sandpay.bluesnap.com/"
@@ -219,6 +220,7 @@ checkout = { long_lived_token = false, payment_method = "wallet", apple_pay_pre_
 mollie = {long_lived_token = false, payment_method = "card"}
 braintree = { long_lived_token = false, payment_method = "card" }
 gocardless = {long_lived_token = true, payment_method = "bank_debit"}
+billwerk = {long_lived_token = false, payment_method = "card"}
 
 [connector_customer]
 connector_list = "gocardless,stax,stripe"
diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index 1e16d0724718..595b18307220 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -7067,6 +7067,7 @@
           "authorizedotnet",
           "bambora",
           "bankofamerica",
+          "billwerk",
           "bitpay",
           "bluesnap",
           "boku",
@@ -16813,6 +16814,7 @@
           "airwallex",
           "authorizedotnet",
           "bankofamerica",
+          "billwerk",
           "bitpay",
           "bambora",
           "bluesnap",