diff --git a/package.json b/package.json
index 9396d4b..2184782 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kilnfi/sdk",
-  "version": "2.18.1",
+  "version": "2.19.0",
   "autor": "Kiln <support@kiln.fi> (https://kiln.fi)",
   "license": "BUSL-1.1",
   "description": "JavaScript sdk for Kiln API",
diff --git a/src/services/atom.ts b/src/services/atom.ts
index f4c4eba..d382673 100644
--- a/src/services/atom.ts
+++ b/src/services/atom.ts
@@ -28,6 +28,7 @@ export class AtomService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountAtom how many tokens to stake in ATOM
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -35,6 +36,7 @@ export class AtomService extends Service {
     validatorAddress: string,
     amountAtom: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/atom/transaction/stake`, {
       account_id: accountId,
@@ -42,6 +44,7 @@ export class AtomService extends Service {
       validator: validatorAddress,
       amount_uatom: this.atomToUatom(amountAtom.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -63,11 +66,13 @@ export class AtomService extends Service {
    * Craft atom restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/atom/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }
diff --git a/src/services/fet.ts b/src/services/fet.ts
index c19dcfd..19d306e 100644
--- a/src/services/fet.ts
+++ b/src/services/fet.ts
@@ -28,6 +28,7 @@ export class FetService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountFet how many tokens to stake in FET
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -35,6 +36,7 @@ export class FetService extends Service {
     validatorAddress: string,
     amountFet: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/fet/transaction/stake`, {
       account_id: accountId,
@@ -42,6 +44,7 @@ export class FetService extends Service {
       validator: validatorAddress,
       amount_afet: this.fetToAfet(amountFet.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -63,11 +66,13 @@ export class FetService extends Service {
    * Craft fetch.ai restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/fet/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }
diff --git a/src/services/inj.ts b/src/services/inj.ts
index 8ac098f..c44d50b 100644
--- a/src/services/inj.ts
+++ b/src/services/inj.ts
@@ -27,6 +27,7 @@ export class InjService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountInj how many tokens to stake in INJ
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -34,6 +35,7 @@ export class InjService extends Service {
     validatorAddress: string,
     amountInj: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/inj/transaction/stake`, {
       account_id: accountId,
@@ -41,6 +43,7 @@ export class InjService extends Service {
       validator: validatorAddress,
       amount_inj: this.injToAinj(amountInj.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -62,11 +65,13 @@ export class InjService extends Service {
    * Craft inj restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/inj/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }
diff --git a/src/services/osmo.ts b/src/services/osmo.ts
index a37f2ad..e7755c9 100644
--- a/src/services/osmo.ts
+++ b/src/services/osmo.ts
@@ -28,6 +28,7 @@ export class OsmoService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountOsmo how many tokens to stake in OSMO
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -35,6 +36,7 @@ export class OsmoService extends Service {
     validatorAddress: string,
     amountOsmo: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/osmo/transaction/stake`, {
       account_id: accountId,
@@ -42,6 +44,7 @@ export class OsmoService extends Service {
       validator: validatorAddress,
       amount_uosmo: this.osmoToUosmo(amountOsmo.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -63,11 +66,13 @@ export class OsmoService extends Service {
    * Craft osmo restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/osmo/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }
diff --git a/src/services/tia.ts b/src/services/tia.ts
index 20803cc..676fa78 100644
--- a/src/services/tia.ts
+++ b/src/services/tia.ts
@@ -27,6 +27,7 @@ export class TiaService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountTia how many tokens to stake in TIA
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -34,6 +35,7 @@ export class TiaService extends Service {
     validatorAddress: string,
     amountTia: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/tia/transaction/stake`, {
       account_id: accountId,
@@ -41,6 +43,7 @@ export class TiaService extends Service {
       validator: validatorAddress,
       amount_utia: this.tiaToUtia(amountTia.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -62,11 +65,13 @@ export class TiaService extends Service {
    * Craft tia restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/tia/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }
diff --git a/src/services/zeta.ts b/src/services/zeta.ts
index 72eb6bb..8e827e3 100644
--- a/src/services/zeta.ts
+++ b/src/services/zeta.ts
@@ -28,6 +28,7 @@ export class ZetaService extends Service {
    * @param validatorAddress validator address to delegate to
    * @param amountZeta how many tokens to stake in ZETA
    * @param restakeRewards If enabled, the rewards will be automatically restaked
+   * @param granteeAddress validator grantee address
    */
   async craftStakeTx(
     accountId: string,
@@ -35,6 +36,7 @@ export class ZetaService extends Service {
     validatorAddress: string,
     amountZeta: number,
     restakeRewards: boolean = false,
+    granteeAddress?: string,
   ): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/zeta/transaction/stake`, {
       account_id: accountId,
@@ -42,6 +44,7 @@ export class ZetaService extends Service {
       validator: validatorAddress,
       amount_azeta: this.zetaToAZeta(amountZeta.toString()),
       restake_rewards: restakeRewards,
+      grantee_address: granteeAddress,
     });
     return data;
   }
@@ -63,11 +66,13 @@ export class ZetaService extends Service {
    * Craft a Zetachain restake rewards transaction
    * @param pubkey wallet pubkey, this is different from the wallet address
    * @param validatorAddress validator address to which the delegation has been made
+   * @param granteeAddress validator grantee address
    */
-  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string): Promise<CosmosTx> {
+  async craftRestakeRewardsTx(pubkey: string, validatorAddress: string, granteeAddress: string): Promise<CosmosTx> {
     const { data } = await api.post<CosmosTx>(`/v1/zeta/transaction/restake-rewards`, {
       pubkey: pubkey,
       validator_address: validatorAddress,
+      grantee_address: granteeAddress,
     });
     return data;
   }