diff --git a/scripts/.env.template b/scripts/.env.template
index 11167ff81..4e274092e 100644
--- a/scripts/.env.template
+++ b/scripts/.env.template
@@ -11,7 +11,7 @@ TI_LCL_API_URL="http://host.docker.internal:8080"
 TI_STG_API_URL="https://cdcti-stg-api.azurewebsites.net:443"
 TI_PRD_API_URL="https://cdcti-prd-api.azurewebsites.net:443"
 
-# Client keys
+# Sender keys
 TI_LOCAL_PRIVATE_KEY_PATH="${CDCTI_HOME}/mock_credentials/organization-trusted-intermediary-private-key-local.pem"
 TI_LOCAL_PUBLIC_KEY_PATH="${CDCTI_HOME}/mock_credentials/organization-trusted-intermediary-public-key-local.pem"
 RS_LOCAL_PRIVATE_KEY_PATH="${CDCTI_HOME}/mock_credentials/organization-report-stream-private-key-local.pem"
diff --git a/scripts/README.md b/scripts/README.md
index 2e8ae53b4..554dd3434 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -39,8 +39,8 @@ Usage: ./submit.sh -f <message_file.hl7> [-e <environment>]
 Options:
     -f <FILE>                   Message file path (Required)
     -e <ENVIRONMENT>            Environment: local|staging|production (Default: local)
-    -x <RS_CLIENT_PRIVATE_KEY>  Path to the client private key for authentication with RS API (Required for non-local environments)
-    -z <TI_CLIENT_PRIVATE_KEY>  Path to the client private key for authentication with TI API (Optional for all environments)
+    -x <RS_SENDER_PRIVATE_KEY>  Path to the sender private key for authentication with RS API (Required for non-local environments)
+    -z <TI_SENDER_PRIVATE_KEY>  Path to the sender private key for authentication with TI API (Optional for all environments)
     -h                          Display this help and exit
 ```
 
@@ -62,14 +62,14 @@ ENDPOINT_NAME:
     The name of the endpoint to call (required)
 
 Options:
-    -f <REL_PATH>       Path to the hl7/fhir file to submit (Required for waters API)
-    -r <ROOT_PATH>      Root path to the hl7/fhir files (Default: /Users/bbogado/Code/Flexion/CDC-TI/trusted-intermediary/examples/)
-    -t <CONTENT_TYPE>   Content type for the message (Default: application/hl7-v2)
-    -e <ENVIRONMENT>    Environment: local|staging|production (Default: local)
-    -c <CLIENT_ID>      Client ID (Default: flexion)
-    -s <CLIENT_SENDER>  Client sender (Default: simulated-sender)
-    -k <KEY_PATH>       Path to the client private key (Required for non-local environments)
-    -i <SUBMISSION_ID>  Submission ID for history API (Required for history API)
+    -e <ENVIRONMENT>    Environment: local|staging (Default: local)
+    -f <REL_PATH>       Path to the message file to submit (Required for submission endpoints)
+    -r <ROOT_PATH>      Root path to the message files (Default: /Users/bbogado/Code/Flexion/CDC-TI/trusted-intermediary/examples/)
+    -t <CONTENT_TYPE>   Content type for the message file (Default: application/hl7-v2)
+    -k <KEY_PATH>       Path to the sender private key (Required for non-local environments)
+    -s <SENDER>         Sender ID used for authentication (Default: flexion.simulated-sender)
+    -u <URL>            URL root for the API endpoint (Default: auto-detected)
+    -i <SUBMISSION_ID>  Submission ID (Required for query endpoints)
     -v                  Verbose mode
     -h                  Display this help and exit
 ```
@@ -91,7 +91,7 @@ Sending a result to local environment
 Sending an order to staging
 
 ```
-./rs.sh waters -f Test/Orders/003_AL_ORM_O01_NBS_Fully_Populated_0_initial_message.hl7 -e staging -k /path/to/client/staging/private/key
+./rs.sh waters -f Test/Orders/003_AL_ORM_O01_NBS_Fully_Populated_0_initial_message.hl7 -e staging -k /path/to/sender/staging/private/key
 ```
 
 Checking the history in local environment for a submission id
@@ -103,7 +103,7 @@ Checking the history in local environment for a submission id
 Checking the history in staging for a submission id
 
 ```
-./rs.sh history -i 100 -e staging -k /path/to/client/staging/private/key
+./rs.sh history -i 100 -e staging -k /path/to/sender/staging/private/key
 ```
 
 ### ti.sh
@@ -124,12 +124,14 @@ ENDPOINT_NAME:
     The name of the endpoint to call (required)
 
 Options:
-    -f <REL_PATH>       Path to the hl7/fhir file to submit (Required for orders and results APIs)
-    -r <ROOT_PATH>      Root path to the hl7/fhir files (Default: /Users/bbogado/Code/Flexion/CDC-TI/trusted-intermediary/examples/)
     -e <ENVIRONMENT>    Environment: local|staging (Default: local)
-    -c <CLIENT>         Client ID to create JWT with (Default: report-stream)
-    -k <KEY_PATH>       Path to the client private key (Required for non-local environments)
-    -i <SUBMISSION_ID>  Submission ID for metadata API (Required for orders, results and metadata API)
+    -f <REL_PATH>       Path to the message file to submit (Required for submission endpoints)
+    -r <ROOT_PATH>      Root path to the message files (Default: /Users/bbogado/Code/Flexion/CDC-TI/trusted-intermediary/examples/)
+    -t <CONTENT_TYPE>   Content type for the message file (Default: application/fhir+ndjson)
+    -k <KEY_PATH>       Path to the sender private key (Required for non-local environments)
+    -s <SENDER>         Sender ID used for authentication (Default: report-stream)
+    -u <URL>            URL root for the API endpoint (Default: auto-detected)
+    -i <SUBMISSION_ID>  Submission ID (Required for query endpoints)
     -v                  Verbose mode
     -h                  Display this help and exit
 ```
@@ -143,7 +145,7 @@ Submit an order to local environment:
 
 Submit an order to staging:
 ```
-./ti.sh orders -f Test/Orders/003_AL_ORM_O01_NBS_Fully_Populated_0_initial_message.hl7 -e staging -k /path/to/client/staging/private/key
+./ti.sh orders -f Test/Orders/003_AL_ORM_O01_NBS_Fully_Populated_0_initial_message.hl7 -e staging -k /path/to/sender/staging/private/key
 
 ```
 
@@ -172,9 +174,9 @@ Get Health info from local environment:
 ./ti.sh health
 ```
 
-### epic.sh
+### ucsd.sh
 
-Submit requests to Epic API endpoints
+Submit requests to UCSD API endpoints
 
 #### Requirements
 
@@ -182,12 +184,12 @@ Submit requests to Epic API endpoints
 
 #### Before running the script
 
-- Add the `client` id to `epic.sh`
+- Add the `sender` id to `ucsd.sh`
 - Update the `secret` variable path
 
 #### Usage
 
-`./epic.sh results`
+`./ucsd.sh results -k /path/to/ucsd-ucsd-private-key.pem -s sender_name`
 
 ### setup/update-examples-snapshots.sh
 
diff --git a/scripts/epic.sh b/scripts/epic.sh
deleted file mode 100755
index e1aabbb00..000000000
--- a/scripts/epic.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-
-[ -z "${CDCTI_HOME}" ] && echo "Error: Environment variable CDCTI_HOME is not set. Please refer to /scripts/README.md for instructions" && exit 1
-source "$CDCTI_HOME/scripts/lib/common.sh"
-
-client=
-audience=https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token
-secret=/path/to/ucsd-epic-private-key.pem
-root=$CDCTI_HOME/examples/CA/
-fpath="$1"
-shift
-
-jwt_token=$(generate_jwt "$client" "$audience" "$secret") || fail "Failed to generate JWT token"
-
-hurl \
-    --variable "fpath=$fpath" \
-    --file-root "$root" \
-    --variable "jwt=$jwt_token" \
-    "$CDCTI_HOME"/scripts/epic/results.hurl \
-    "$@"
diff --git a/scripts/hurl/rs/delivery.hurl b/scripts/hurl/rs/delivery.hurl
index ec86bc53a..b04dacc98 100644
--- a/scripts/hurl/rs/delivery.hurl
+++ b/scripts/hurl/rs/delivery.hurl
@@ -1,8 +1,8 @@
-# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $client -i $client -s $client -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
+# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $sender -i $sender -s $sender -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
 POST {{url}}/api/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client-id}}.*.report
+scope: {{sender-org}}.*.report
 client_assertion: {{jwt}}
 client_assertion_type: urn:ietf:params:oauth:client-assertion-type:jwt-bearer
 grant_type: client_credentials
diff --git a/scripts/hurl/rs/history.hurl b/scripts/hurl/rs/history.hurl
index 5eec369cf..db98abd07 100644
--- a/scripts/hurl/rs/history.hurl
+++ b/scripts/hurl/rs/history.hurl
@@ -1,8 +1,8 @@
-# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $client -i $client -s $client -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
+# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $sender -i $sender -s $sender -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
 POST {{url}}/api/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client-id}}.*.report
+scope: {{sender-org}}.*.report
 client_assertion: {{jwt}}
 client_assertion_type: urn:ietf:params:oauth:client-assertion-type:jwt-bearer
 grant_type: client_credentials
diff --git a/scripts/hurl/rs/token.hurl b/scripts/hurl/rs/token.hurl
index d4479d6a3..9217ccdae 100644
--- a/scripts/hurl/rs/token.hurl
+++ b/scripts/hurl/rs/token.hurl
@@ -1,8 +1,8 @@
-# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $client -i $client -s $client -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
+# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $sender -i $sender -s $sender -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
 POST {{url}}/api/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client-id}}.*.report
+scope: {{sender-org}}.*.report
 client_assertion: {{jwt}}
 client_assertion_type: urn:ietf:params:oauth:client-assertion-type:jwt-bearer
 grant_type: client_credentials
diff --git a/scripts/hurl/rs/waters.hurl b/scripts/hurl/rs/waters.hurl
index e212141a1..c114b348f 100644
--- a/scripts/hurl/rs/waters.hurl
+++ b/scripts/hurl/rs/waters.hurl
@@ -1,8 +1,8 @@
-# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $client -i $client -s $client -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
+# curl --header 'Content-Type: application/x-www-form-urlencoded' --data 'scope=flexion.*.report' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $sender -i $sender -s $sender -a $host --no-iat -S @/path/to/ucsd-epic-private-key.pem) --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'http://localhost:7071/api/token'
 POST {{url}}/api/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client-id}}.*.report
+scope: {{sender-org}}.*.report
 client_assertion: {{jwt}}
 client_assertion_type: urn:ietf:params:oauth:client-assertion-type:jwt-bearer
 grant_type: client_credentials
@@ -15,6 +15,6 @@ token: jsonpath "$['access_token']"
 # curl --header 'Content-Type: application/hl7-v2' --header 'Client: flexion.simulated-sender' --header 'Authorization: Bearer $token' --data-binary '@/path/to/message.hl7' 'http://localhost:7071/api/waters'
 POST {{url}}/api/waters
 Content-Type: {{content-type}}
-Client: {{client-id}}.{{client-sender}}
+Client: {{sender-org}}.{{sender-name}}
 Authorization: Bearer {{token}}
 file,{{fpath}};
diff --git a/scripts/hurl/ti/auth.hurl b/scripts/hurl/ti/auth.hurl
index 427f914db..99d91aa1f 100644
--- a/scripts/hurl/ti/auth.hurl
+++ b/scripts/hurl/ti/auth.hurl
@@ -1,5 +1,5 @@
 POST {{url}}/v1/auth/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client}}
+scope: {{sender}}
 client_assertion: {{jwt}}
diff --git a/scripts/hurl/ti/metadata.hurl b/scripts/hurl/ti/metadata.hurl
index d85272593..4b8c86985 100644
--- a/scripts/hurl/ti/metadata.hurl
+++ b/scripts/hurl/ti/metadata.hurl
@@ -1,7 +1,7 @@
 POST {{url}}/v1/auth/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client}}
+scope: {{sender}}
 client_assertion: {{jwt}}
 
 HTTP 200
diff --git a/scripts/hurl/ti/orders.hurl b/scripts/hurl/ti/orders.hurl
index 2e36856b1..2c94d5e85 100644
--- a/scripts/hurl/ti/orders.hurl
+++ b/scripts/hurl/ti/orders.hurl
@@ -1,7 +1,7 @@
 POST {{url}}/v1/auth/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client}}
+scope: {{sender}}
 client_assertion: {{jwt}}
 
 HTTP 200
diff --git a/scripts/hurl/ti/results.hurl b/scripts/hurl/ti/results.hurl
index efecc9eba..b5ed90fa3 100644
--- a/scripts/hurl/ti/results.hurl
+++ b/scripts/hurl/ti/results.hurl
@@ -1,7 +1,7 @@
 POST {{url}}/v1/auth/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
-scope: {{client}}
+scope: {{sender}}
 client_assertion: {{jwt}}
 
 HTTP 200
diff --git a/scripts/hurl/epic/results.hurl b/scripts/hurl/ucsd/results.hurl
similarity index 77%
rename from scripts/hurl/epic/results.hurl
rename to scripts/hurl/ucsd/results.hurl
index dbc9e1c3b..af6f7b08f 100644
--- a/scripts/hurl/epic/results.hurl
+++ b/scripts/hurl/ucsd/results.hurl
@@ -1,5 +1,5 @@
-# curl -H 'Content-Type: application/x-www-form-urlencoded' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $client -i $client -s $client -a https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token --no-iat -S @/path/to/ucsd-epic-private-key.pem)' --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token'
-POST https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token
+# curl -H 'Content-Type: application/x-www-form-urlencoded' --data 'client_assertion=$(jwt encode --exp=+5min --jti $(uuidgen) --alg RS256 -k $sender -i $sender -s $sender -a https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token --no-iat -S @/path/to/ucsd-epic-private-key.pem)' --data 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer' --data 'grant_type=client_credentials' 'https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token'
+POST {{url}}/FhirProxy/oauth2/token
 Content-Type: application/x-www-form-urlencoded
 [FormParams]
 client_assertion: {{jwt}}
@@ -12,7 +12,7 @@ HTTP 200
 token: jsonpath "$['access_token']"
 
 # curl -H 'Content-Type: application/hl7-v2' -H 'Authorization: Bearer $token' --data-binary '@/path/to/oru.hl7' 'https://epicproxy-np.et0502.epichosted.com/CDPH_NBGS_TST/api/epic/2015/EDI/HTTP/HL7v2/910377'
-POST https://epicproxy-np.et0502.epichosted.com/CDPH_NBGS_TST/api/epic/2015/EDI/HTTP/HL7v2/910377
-Content-Type: application/hl7-v2
+POST {{url}}/CDPH_NBGS_TST/api/epic/2015/EDI/HTTP/HL7v2/910377
+Content-Type: {{content-type}}
 Authorization: Bearer {{token}}
 file,{{fpath}};
diff --git a/scripts/lib/api.sh b/scripts/lib/api.sh
new file mode 100755
index 000000000..b673bf432
--- /dev/null
+++ b/scripts/lib/api.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+
+show_usage() {
+    local script_name=$1
+
+    cat <<EOF
+Usage: ./$script_name <ENDPOINT_NAME> [OPTIONS]
+
+ENDPOINT_NAME:
+    The name of the endpoint to call (required)
+
+Options:
+    -e <ENVIRONMENT>    Environment: local|staging (Default: $ENVIRONMENT)
+    -f <REL_PATH>       Path to the message file to submit (Required for submission endpoints)
+    -r <ROOT_PATH>      Root path to the message files (Default: $ROOT_PATH)
+    -t <CONTENT_TYPE>   Content type for the message file (Default: $CONTENT_TYPE)
+    -k <KEY_PATH>       Path to the sender private key (Required for non-local environments)
+    -s <SENDER>         Sender ID used for authentication (Default: $SENDER)
+    -u <URL>            URL root for the API endpoint (Default: auto-detected)
+    -i <SUBMISSION_ID>  Submission ID (Required for query endpoints)
+    -v                  Verbose mode
+    -h                  Display this help and exit
+EOF
+}
+
+parse_args() {
+    local type=$1
+    shift
+
+    [ "$1" = "-h" ] || [ "$1" = "--help" ] && return 1
+    [ $# -eq 0 ] && fail "Missing required argument <ENDPOINT_NAME>"
+
+    HURL_FILE_PATH="$CDCTI_HOME/scripts/hurl/$type/$1.hurl"
+    shift
+
+    while getopts ':e:f:r:t:k:s:u:i:v' opt; do
+        case "$opt" in
+        e) ENVIRONMENT="$OPTARG" ;;
+        f) REL_PATH="$OPTARG" ;;
+        r) ROOT_PATH="$OPTARG" ;;
+        t) CONTENT_TYPE="$OPTARG" ;;
+        k) SENDER_PRIVATE_KEY="$OPTARG" ;;
+        s) SENDER="$OPTARG" ;;
+        u) URL="$OPTARG" ;;
+        i) SUBMISSION_ID="$OPTARG" ;;
+        v) VERBOSE="--verbose" ;;
+        ?) fail "Invalid option -$OPTARG" ;;
+        esac
+    done
+
+    parse_sender_string "$SENDER"
+
+    if [ -z "$SENDER_PRIVATE_KEY" ] && [ "$ENVIRONMENT" = "local" ] && [ -f "$DEFAULT_SENDER_PRIVATE_KEY_PATH" ] && [ "$SENDER_ORG" = "$DEFAULT_SENDER_PRIVATE_KEY_ORG" ]; then
+        SENDER_PRIVATE_KEY="$DEFAULT_SENDER_PRIVATE_KEY_PATH"
+    elif [ -z "$SENDER_PRIVATE_KEY" ] && [ "$ENVIRONMENT" != "local" ]; then
+        fail "Sender private key (-k) is required for non-local environments"
+    fi
+
+    [ ! -f "$SENDER_PRIVATE_KEY" ] && fail "Sender private key file not found: $SENDER_PRIVATE_KEY"
+
+    shift "$((OPTIND - 1))"
+    REMAINING_ARGS="$*"
+}
+
+handle_api_request() {
+    local api_type=$1
+    shift
+
+    local host jwt_token
+    [ -z "$URL" ] && URL=$(get_api_url "$ENVIRONMENT" "$api_type")
+    host=$(extract_host_from_url "$URL")
+    jwt_token=$(generate_jwt "$SENDER" "$host" "$SENDER_PRIVATE_KEY")
+
+    local vars=(
+        --variable fpath=$REL_PATH
+        --file-root $ROOT_PATH
+        --variable url=$URL
+        --variable jwt=$jwt_token
+        --variable content-type=$CONTENT_TYPE
+    )
+
+    if [ "$api_type" = "rs" ]; then
+        vars+=(
+            --variable sender-org=$SENDER_ORG
+            --variable sender-name=$SENDER_NAME
+        )
+    else
+        vars+=(--variable sender=$SENDER)
+    fi
+
+    if [ -n "$SUBMISSION_ID" ]; then vars+=(--variable submissionid="$SUBMISSION_ID"); fi
+    if [ -n "$VERBOSE" ]; then vars+=("$VERBOSE"); fi
+
+    hurl "${vars[@]}" "$HURL_FILE_PATH" ${REMAINING_ARGS:+$REMAINING_ARGS}
+}
diff --git a/scripts/lib/common.sh b/scripts/lib/common.sh
index a4702d178..347511c2f 100755
--- a/scripts/lib/common.sh
+++ b/scripts/lib/common.sh
@@ -79,9 +79,23 @@ extract_host_from_url() {
     echo "$url" | sed 's|^.*://\([^/:]*\)[:/].*|\1|'
 }
 
+parse_sender_string() {
+    local sender_string=$1
+
+    if [[ "$sender_string" =~ ^([^.]+)\.([^.]+)$ ]]; then
+        SENDER_ORG="${BASH_REMATCH[1]}"
+        SENDER_NAME="${BASH_REMATCH[2]}"
+        return 0
+    else
+        SENDER_ORG="$sender_string"
+        SENDER_NAME=""
+        return 1
+    fi
+}
+
 generate_jwt() {
     # requires: jwt-cli
-    local client=$1
+    local sender=$1
     local audience=$2
     local secret_path=$3
 
@@ -89,9 +103,9 @@ generate_jwt() {
         --exp='+5min' \
         --jti "$(uuidgen)" \
         --alg RS256 \
-        -k "$client" \
-        -i "$client" \
-        -s "$client" \
+        -k "$sender" \
+        -i "$sender" \
+        -s "$sender" \
         -a "$audience" \
         --no-iat \
         -S "@$secret_path"
diff --git a/scripts/lib/submission-utils.sh b/scripts/lib/submission-utils.sh
index 21a72e2b7..5d7fd2427 100755
--- a/scripts/lib/submission-utils.sh
+++ b/scripts/lib/submission-utils.sh
@@ -82,8 +82,8 @@ submit_message() {
     # requires: hurl, jq, az
     local env=$1
     local file=$2
-    local rs_client_private_key=$3
-    local ti_client_private_key=$4
+    local rs_sender_private_key=$3
+    local ti_sender_private_key=$4
 
     local message_file_path message_file_name message_base_name
     message_file_path="$(dirname "${file}")"
@@ -109,7 +109,7 @@ submit_message() {
 
     echo "Assuming receivers are '$first_leg_receiver' and '$second_leg_receiver' because of MSH-9 value '$msh9'"
 
-    waters_response=$("$CDCTI_HOME"/scripts/rs.sh waters -f "$message_file_name" -r "$message_file_path" -e "$env" -k "$rs_client_private_key") || {
+    waters_response=$("$CDCTI_HOME"/scripts/rs.sh waters -f "$message_file_name" -r "$message_file_path" -e "$env" -k "$rs_sender_private_key") || {
         exit_code=$?
         if [ $exit_code -ne 0 ]; then
             fail "Expected exit code 0 but got $exit_code for RS waters API call"
@@ -118,7 +118,7 @@ submit_message() {
     submission_id=$(echo "$waters_response" | jq -r '.id')
 
     echo "[First leg] Checking submission status for ID: $submission_id"
-    if ! check_submission_status "$env" "$submission_id" "$rs_client_private_key"; then
+    if ! check_submission_status "$env" "$submission_id" "$rs_sender_private_key"; then
         echo "Failed to deliver the first leg of the message. Skipping the next steps."
         return
     fi
@@ -134,9 +134,9 @@ submit_message() {
     fi
 
     echo "[Intermediary] Getting outbound submission ID"
-    if [ -n "$ti_client_private_key" ]; then
+    if [ -n "$ti_sender_private_key" ]; then
         echo "  Attempting to get outbound submission ID from TI's metadata API..."
-        metadata_response=$("$CDCTI_HOME"/scripts/ti.sh metadata -i "$inbound_submission_id" -e "$env" -k "$ti_client_private_key") || {
+        metadata_response=$("$CDCTI_HOME"/scripts/ti.sh metadata -i "$inbound_submission_id" -e "$env" -k "$ti_sender_private_key") || {
             echo "Failed to get metadata for inbound submission ID: $inbound_submission_id"
             outbound_submission_id=""
         }
@@ -165,7 +165,7 @@ submit_message() {
     fi
 
     echo "[Second leg] Checking submission status for ID: $outbound_submission_id"
-    if ! check_submission_status "$env" "$outbound_submission_id" "$rs_client_private_key"; then
+    if ! check_submission_status "$env" "$outbound_submission_id" "$rs_sender_private_key"; then
         echo "Failed to deliver the second leg of the message. Skipping the next steps."
         return
     fi
diff --git a/scripts/rs.sh b/scripts/rs.sh
index 1a5da946a..05bd6e89f 100755
--- a/scripts/rs.sh
+++ b/scripts/rs.sh
@@ -2,99 +2,19 @@
 
 [ -z "${CDCTI_HOME}" ] && echo "Error: Environment variable CDCTI_HOME is not set. Please refer to /scripts/README.md for instructions" && exit 1
 source "$CDCTI_HOME/scripts/lib/common.sh"
+source "$CDCTI_HOME/scripts/lib/api.sh"
 
 # default values
-env=local
-root=$CDCTI_HOME/examples/
-content_type=application/hl7-v2
-client_id=flexion
-client_sender=simulated-sender
-
-show_usage() {
-    cat <<EOF
-Usage: ./$(basename "$0") <ENDPOINT_NAME> [OPTIONS]
-
-ENDPOINT_NAME:
-    The name of the endpoint to call (required)
-
-Options:
-    -f <REL_PATH>       Path to the hl7/fhir file to submit (Required for waters API)
-    -r <ROOT_PATH>      Root path to the hl7/fhir files (Default: $root)
-    -t <CONTENT_TYPE>   Content type for the message (Default: $content_type)
-    -e <ENVIRONMENT>    Environment: local|staging|production (Default: $env)
-    -c <CLIENT_ID>      Client ID (Default: $client_id)
-    -s <CLIENT_SENDER>  Client sender (Default: $client_sender)
-    -k <KEY_PATH>       Path to the client private key (Required for non-local environments)
-    -i <SUBMISSION_ID>  Submission ID for history API (Required for history API)
-    -v                  Verbose mode
-    -h                  Display this help and exit
-EOF
-}
-
-parse_arguments() {
-    if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
-        show_usage
-        exit 0
-    fi
-
-    [ $# -eq 0 ] && fail "Missing required argument <ENDPOINT_NAME>"
-    hurl_file_path="$CDCTI_HOME/scripts/hurl/rs/$1.hurl"
-    shift # Remove endpoint name from args
-
-    while getopts ':f:r:t:e:c:s:k:i:v' opt; do
-        case "$opt" in
-        f) fpath="$OPTARG" ;;
-        r) root="$OPTARG" ;;
-        t) content_type="$OPTARG" ;;
-        e) env="$OPTARG" ;;
-        c) client_id="$OPTARG" ;;
-        s) client_sender="$OPTARG" ;;
-        k) private_key="$OPTARG" ;;
-        i) submission_id="--variable submissionid=$OPTARG" ;;
-        v) verbose="--verbose" ;;
-        ?) fail "Invalid option -$OPTARG" ;;
-        esac
-    done
-
-    shift "$((OPTIND - 1))"
-    remaining_args="$*"
-}
-
-setup_credentials() {
-    if [ -z "$private_key" ] && [ "$client_id" = "flexion" ] && [ "$env" = "local" ]; then
-        if [ -f "$TI_LOCAL_PRIVATE_KEY_PATH" ]; then
-            private_key="$TI_LOCAL_PRIVATE_KEY_PATH"
-        else
-            fail "Local environment client private key not found at: $TI_LOCAL_PRIVATE_KEY_PATH"
-        fi
-    fi
-
-    if [ "$env" != "local" ]; then
-        [ -z "$private_key" ] && fail "Client private key (-k) is required for non-local environments"
-    fi
-
-    [ ! -f "$private_key" ] && fail "Client private key file not found: $private_key"
-}
-
-run_hurl_command() {
-    url=$(get_api_url "$env" "rs")
-    host=$(extract_host_from_url "$url")
-    jwt_token=$(generate_jwt "$client_id.$client_sender" "$host" "$private_key") || fail "Failed to generate JWT token"
-
-    hurl \
-        --variable "fpath=$fpath" \
-        --file-root "$root" \
-        --variable "url=$url" \
-        --variable "content-type=$content_type" \
-        --variable "client-id=$client_id" \
-        --variable "client-sender=$client_sender" \
-        --variable "jwt=$jwt_token" \
-        ${submission_id:-} \
-        ${verbose:-} \
-        "$hurl_file_path" \
-        ${remaining_args:+$remaining_args}
+ENVIRONMENT=local
+ROOT_PATH=$CDCTI_HOME/examples/
+CONTENT_TYPE=application/hl7-v2
+SENDER=flexion.simulated-sender
+DEFAULT_SENDER_PRIVATE_KEY_ORG=flexion
+DEFAULT_SENDER_PRIVATE_KEY_PATH="$TI_LOCAL_PRIVATE_KEY_PATH"
+
+parse_args "rs" "$@" || {
+    show_usage "$(basename "$0")"
+    exit 0
 }
 
-parse_arguments "$@"
-setup_credentials
-run_hurl_command
+handle_api_request "rs" "$@"
diff --git a/scripts/submit.sh b/scripts/submit.sh
index 1a93990b5..1ec1abca3 100755
--- a/scripts/submit.sh
+++ b/scripts/submit.sh
@@ -8,13 +8,13 @@ env="local"
 
 show_usage() {
     cat <<EOF
-Usage: $(basename "$0") -f <message_file.hl7> [-e <environment>]
+Usage: ./$(basename "$0") -f <message_file.hl7> [-e <environment>]
 
 Options:
     -f <FILE>                   Message file path (Required)
     -e <ENVIRONMENT>            Environment: local|staging|production (Default: $env)
-    -x <RS_CLIENT_PRIVATE_KEY>  Path to the client private key for authentication with RS API (Required for non-local environments)
-    -z <TI_CLIENT_PRIVATE_KEY>  Path to the client private key for authentication with TI API (Optional for all environments)
+    -x <RS_SENDER_PRIVATE_KEY>  Path to the sender private key for authentication with RS API (Required for non-local environments)
+    -z <TI_SENDER_PRIVATE_KEY>  Path to the sender private key for authentication with TI API (Optional for all environments)
     -h                          Display this help and exit
 EOF
     exit 1
@@ -28,8 +28,8 @@ parse_arguments() {
         case $opt in
         e) env="$OPTARG" ;;
         f) file="$OPTARG" ;;
-        x) rs_client_private_key="$OPTARG" ;;
-        z) ti_client_private_key="$OPTARG" ;;
+        x) rs_sender_private_key="$OPTARG" ;;
+        z) ti_sender_private_key="$OPTARG" ;;
         h) show_usage ;;
         ?) fail "Invalid option: -$OPTARG" ;;
         esac
@@ -46,25 +46,25 @@ parse_arguments() {
 }
 
 setup_credentials() {
-    # Handle RS client key
-    if [ "$env" = "local" ] && [ -z "$rs_client_private_key" ]; then
-        rs_client_private_key="$TI_LOCAL_PRIVATE_KEY_PATH"
+    # Handle RS sender key
+    if [ "$env" = "local" ] && [ -z "$rs_sender_private_key" ]; then
+        rs_sender_private_key="$TI_LOCAL_PRIVATE_KEY_PATH"
     fi
 
-    [ "$env" != "local" ] && [ -z "$rs_client_private_key" ] && fail "RS client private key (-x) is required for non-local environments"
-    [ ! -f "$rs_client_private_key" ] && fail "RS client private key file not found: $rs_client_private_key"
+    [ "$env" != "local" ] && [ -z "$rs_sender_private_key" ] && fail "RS sender private key (-x) is required for non-local environments"
+    [ ! -f "$rs_sender_private_key" ] && fail "RS sender private key file not found: $rs_sender_private_key"
 
-    # Handle optional TI client key
-    if [ "$env" = "local" ] && [ -z "$ti_client_private_key" ]; then
-        ti_client_private_key="$RS_LOCAL_PRIVATE_KEY_PATH"
+    # Handle optional TI sender key
+    if [ "$env" = "local" ] && [ -z "$ti_sender_private_key" ]; then
+        ti_sender_private_key="$RS_LOCAL_PRIVATE_KEY_PATH"
     fi
 
     # Only verify TI key if provided
-    [ -n "$ti_client_private_key" ] && [ ! -f "$ti_client_private_key" ] && fail "TI client private key file not found: $ti_client_private_key"
+    [ -n "$ti_sender_private_key" ] && [ ! -f "$ti_sender_private_key" ] && fail "TI sender private key file not found: $ti_sender_private_key"
 }
 
 check_installed_commands hurl jq az
 check_apis "$(get_api_url "$env" "rs")" "$(get_api_url "$env" "ti")"
 parse_arguments "$@"
 setup_credentials
-submit_message "$env" "$file" "$rs_client_private_key" "$ti_client_private_key"
+submit_message "$env" "$file" "$rs_sender_private_key" "$ti_sender_private_key"
diff --git a/scripts/ti.sh b/scripts/ti.sh
index 6df6c342c..abff75e2c 100755
--- a/scripts/ti.sh
+++ b/scripts/ti.sh
@@ -2,91 +2,19 @@
 
 [ -z "${CDCTI_HOME}" ] && echo "Error: Environment variable CDCTI_HOME is not set. Please refer to /scripts/README.md for instructions" && exit 1
 source "$CDCTI_HOME/scripts/lib/common.sh"
+source "$CDCTI_HOME/scripts/lib/api.sh"
 
 # default values
-env=local
-root=$CDCTI_HOME/examples/
-client=report-stream
-
-show_usage() {
-    cat <<EOF
-Usage: ./$(basename "$0") <ENDPOINT_NAME> [OPTIONS]
-
-ENDPOINT_NAME:
-    The name of the endpoint to call (required)
-
-Options:
-    -f <REL_PATH>       Path to the hl7/fhir file to submit (Required for orders and results APIs)
-    -r <ROOT_PATH>      Root path to the hl7/fhir files (Default: $root)
-    -e <ENVIRONMENT>    Environment: local|staging (Default: $env)
-    -c <CLIENT>         Client ID to create JWT with (Default: $client)
-    -k <KEY_PATH>       Path to the client private key (Required for non-local environments)
-    -i <SUBMISSION_ID>  Submission ID for metadata API (Required for orders, results and metadata API)
-    -v                  Verbose mode
-    -h                  Display this help and exit
-EOF
-}
-
-parse_arguments() {
-    if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
-        show_usage
-        exit 0
-    fi
-
-    [ $# -eq 0 ] && fail "Missing required argument <ENDPOINT_NAME>"
-    hurl_file_path="$CDCTI_HOME/scripts/hurl/ti/$1.hurl"
-    shift # Remove endpoint name from args
-
-    while getopts ':f:r:e:c:k:i:v' opt; do
-        case "$opt" in
-        f) fpath="$OPTARG" ;;
-        r) root="$OPTARG" ;;
-        e) env="$OPTARG" ;;
-        c) client="$OPTARG" ;;
-        k) private_key="$OPTARG" ;;
-        i) submission_id="--variable submissionid=$OPTARG" ;;
-        v) verbose="--verbose" ;;
-        ?) fail "Invalid option -$OPTARG" ;;
-        esac
-    done
-
-    shift "$((OPTIND - 1))"
-    remaining_args="$*"
-}
-
-setup_credentials() {
-    if [ -z "$private_key" ] && [ "$client" = "report-stream" ] && [ "$env" = "local" ]; then
-        if [ -f "$RS_LOCAL_PRIVATE_KEY_PATH" ]; then
-            private_key="$RS_LOCAL_PRIVATE_KEY_PATH"
-        else
-            fail "Local environment client private key not found at: $RS_LOCAL_PRIVATE_KEY_PATH"
-        fi
-    fi
-
-    if [ "$env" != "local" ]; then
-        [ -z "$private_key" ] && fail "Client private key (-k) is required for non-local environments"
-    fi
-
-    [ ! -f "$private_key" ] && fail "Client private key file not found: $private_key"
-}
-
-run_hurl_command() {
-    url=$(get_api_url "$env" "ti")
-    host=$(extract_host_from_url "$url")
-    jwt_token=$(generate_jwt "$client" "$host" "$private_key") || fail "Failed to generate JWT token"
-
-    hurl \
-        --variable "fpath=$fpath" \
-        --file-root "$root" \
-        --variable "url=$url" \
-        --variable "client=$client" \
-        --variable "jwt=$jwt_token" \
-        ${submission_id:-} \
-        ${verbose:-} \
-        "$hurl_file_path" \
-        ${remaining_args:+$remaining_args}
+ENVIRONMENT=local
+ROOT_PATH=$CDCTI_HOME/examples/
+CONTENT_TYPE=application/fhir+ndjson
+SENDER=report-stream
+DEFAULT_SENDER_PRIVATE_KEY_ORG=report-stream
+DEFAULT_SENDER_PRIVATE_KEY_PATH="$RS_LOCAL_PRIVATE_KEY_PATH"
+
+parse_args "ti" "$@" || {
+    show_usage "$(basename "$0")"
+    exit 0
 }
 
-parse_arguments "$@"
-setup_credentials
-run_hurl_command
+handle_api_request "ti" "$@"
diff --git a/scripts/ucsd.sh b/scripts/ucsd.sh
new file mode 100755
index 000000000..bbc5c3feb
--- /dev/null
+++ b/scripts/ucsd.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+[ -z "${CDCTI_HOME}" ] && echo "Error: Environment variable CDCTI_HOME is not set. Please refer to /scripts/README.md for instructions" && exit 1
+source "$CDCTI_HOME/scripts/lib/common.sh"
+source "$CDCTI_HOME/scripts/lib/api.sh"
+
+# default values
+ENVIRONMENT=staging
+ROOT_PATH=$CDCTI_HOME/examples/CA/
+CONTENT_TYPE=application/hl7-v2
+URL=https://epicproxy-np.et0502.epichosted.com/FhirProxy/oauth2/token
+
+parse_args "ucsd" "$@" || {
+    show_usage "$(basename "$0")"
+    exit 0
+}
+
+handle_api_request "ucsd" "$@"