diff --git a/src/__tests__/index.test.ts b/src/__tests__/index.test.ts
index 5620c13..8dbd219 100644
--- a/src/__tests__/index.test.ts
+++ b/src/__tests__/index.test.ts
@@ -28,7 +28,7 @@ import {
 import { formatAddress } from "../services/bridge/utils";
 
 import { convertFloatAmountToInt, convertIntAmountToFloat, getFeePercent } from "../utils/calculation";
-import { addPartnerIdToValue } from "../utils/utils";
+import { addReferralIdToValue } from "../utils/utils";
 import tokensGroupedByChain from "./data/tokens-info/ChainDetailsMap.json";
 import tokenInfoWithChainDetailsGrl from "./data/tokens-info/TokenInfoWithChainDetails-GRL.json";
 import tokenInfoWithChainDetailsTrx from "./data/tokens-info/TokenInfoWithChainDetails-TRX.json";
@@ -717,7 +717,7 @@ describe("SDK", () => {
         expect(methodSendRawTransactionSpy).toHaveBeenCalledWith({
           from: fromAccountAddress,
           to: grlChainToken.bridgeAddress,
-          value: addPartnerIdToValue(fee),
+          value: addReferralIdToValue(fee),
           data: expectedData,
         });
 
@@ -797,7 +797,7 @@ describe("SDK", () => {
         expect(methodTriggerSmartContractMock).toBeCalledWith(
           trxChainToken.bridgeAddress,
           "swapAndBridge(bytes32,uint256,bytes32,uint256,bytes32,uint256,uint8,uint256)",
-          { callValue: addPartnerIdToValue(fee) },
+          { callValue: addReferralIdToValue(fee) },
           [
             {
               type: "bytes32",
@@ -893,7 +893,7 @@ describe("SDK", () => {
         expect(methodSendRawTransactionSpy).toHaveBeenCalledWith({
           from: fromAccountAddress,
           to: grlChainToken.bridgeAddress,
-          value: addPartnerIdToValue("0"),
+          value: addReferralIdToValue("0"),
           data: expectedData,
         });
 
@@ -936,7 +936,7 @@ describe("SDK", () => {
           data: "0x331838b20000000000000000000000000000000000000000000000008ac7230489e80000000000000000000000000000ddac3cb57dea3fbeff4997d78215535eb5787117000000000000000000000000c7dbc4a896b34b7a10dda2ef72052145a9122f4300000000000000000000000068d7ed9cf9881427f1db299b90fd63ef805dd10d0000000000000000000000000000000000000000000000006124fee993bc0000",
           from: "0x68D7ed9cf9881427F1dB299B90Fd63ef805dd10d",
           to: "0xba285A8F52601EabCc769706FcBDe2645aa0AF18",
-          value: addPartnerIdToValue("0"),
+          value: addReferralIdToValue("0"),
         });
       });
       test("rawTxBuilder should build swapTx correctly for trx", async () => {
@@ -969,7 +969,7 @@ describe("SDK", () => {
         expect(methodTriggerSmartContractMock).toBeCalledWith(
           trxChainToken.bridgeAddress,
           "swap(uint256,bytes32,bytes32,address,uint256)",
-          { callValue: addPartnerIdToValue("0") },
+          { callValue: addReferralIdToValue("0") },
           [
             {
               type: "uint256",
diff --git a/src/__tests__/services/bridge/evm/index.test.ts b/src/__tests__/services/bridge/evm/index.test.ts
index a1fe4d2..c4ced5d 100644
--- a/src/__tests__/services/bridge/evm/index.test.ts
+++ b/src/__tests__/services/bridge/evm/index.test.ts
@@ -6,7 +6,7 @@ import { FeePaymentMethod, SendParams, TokenWithChainDetails } from "../../../..
 import { NodeRpcUrlsConfig } from "../../../../services";
 import { EvmBridgeService } from "../../../../services/bridge/evm";
 import { ChainDetailsMapWithFlags } from "../../../../tokens-info";
-import { addPartnerIdToValue } from "../../../../utils/utils";
+import { addReferralIdToValue } from "../../../../utils/utils";
 import tokensGroupedByChain from "../../../data/tokens-info/ChainDetailsMap-ETH-USDT.json";
 import { mockNonce } from "../../../mock/bridge/utils";
 import { initChainsWithTestnet } from "../../../mock/utils";
@@ -65,7 +65,7 @@ describe("EvmBridge", () => {
       expect(actual).toEqual({
         from: from,
         to: bridgeAddress,
-        value: addPartnerIdToValue(gasFee),
+        value: addReferralIdToValue(gasFee),
         data: "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",
       });
     });
diff --git a/src/__tests__/services/bridge/trx/index.test.ts b/src/__tests__/services/bridge/trx/index.test.ts
index 116b735..a07a45b 100644
--- a/src/__tests__/services/bridge/trx/index.test.ts
+++ b/src/__tests__/services/bridge/trx/index.test.ts
@@ -8,7 +8,7 @@ import { ChainSymbol, FeePaymentMethod } from "../../../../models";
 import { TxSendParams } from "../../../../services/bridge/models";
 import { TronBridgeService } from "../../../../services/bridge/trx";
 import { formatAddress } from "../../../../services/bridge/utils";
-import { addPartnerIdToValue } from "../../../../utils/utils";
+import { addReferralIdToValue } from "../../../../utils/utils";
 import { mockNonce } from "../../../mock/bridge/utils";
 import triggerSmartContractSendResponse from "../../../mock/tron-web/trigger-smart-contract-send.json";
 
@@ -74,7 +74,7 @@ describe("TrxBridge", () => {
       expect(tronWebMock.transactionBuilder.triggerSmartContract).toHaveBeenCalledWith(
         bridgeAddress,
         "swapAndBridge(bytes32,uint256,bytes32,uint256,bytes32,uint256,uint8,uint256)",
-        { callValue: addPartnerIdToValue(gasFee) },
+        { callValue: addReferralIdToValue(gasFee) },
         [
           {
             type: "bytes32",
diff --git a/src/__tests__/utils/utils.test.ts b/src/__tests__/utils/utils.test.ts
index 614c63a..47e5d20 100644
--- a/src/__tests__/utils/utils.test.ts
+++ b/src/__tests__/utils/utils.test.ts
@@ -1,32 +1,32 @@
 import { InvalidAmountError } from "../../exceptions";
-import { addPartnerIdToValue, validatePartnerId } from "../../utils/utils";
+import { addReferralIdToValue, validateReferralId } from "../../utils/utils";
 
-describe("validatePartnerId", () => {
-  it("should not throw an error if partnerId is not provided", () => {
-    expect(() => validatePartnerId()).not.toThrow();
+describe("validateReferralId", () => {
+  it("should not throw an error if referralId is not provided", () => {
+    expect(() => validateReferralId()).not.toThrow();
   });
 
-  it("should not throw an error if partnerId is within valid range", () => {
-    expect(() => validatePartnerId(1)).not.toThrow();
-    expect(() => validatePartnerId(65535)).not.toThrow();
-    expect(() => validatePartnerId(0xffff)).not.toThrow();
+  it("should not throw an error if referralId is within valid range", () => {
+    expect(() => validateReferralId(1)).not.toThrow();
+    expect(() => validateReferralId(65535)).not.toThrow();
+    expect(() => validateReferralId(0xffff)).not.toThrow();
   });
 
-  it("should throw an error if partnerId is less than 0", () => {
-    expect(() => validatePartnerId(-1)).toThrow(InvalidAmountError);
-    expect(() => validatePartnerId(-1)).toThrow("Partner Id must be > 0");
-    expect(() => validatePartnerId(0)).toThrow("Partner Id must be > 0");
+  it("should throw an error if referralId is less than 0", () => {
+    expect(() => validateReferralId(-1)).toThrow(InvalidAmountError);
+    expect(() => validateReferralId(-1)).toThrow("Referral Id must be > 0");
+    expect(() => validateReferralId(0)).toThrow("Referral Id must be > 0");
   });
 
-  it("should throw an error if partnerId is greater than 65535", () => {
-    expect(() => validatePartnerId(65536)).toThrow(InvalidAmountError);
-    expect(() => validatePartnerId(65536)).toThrow("Partner Id must be < 0xffff (65535)");
-    expect(() => validatePartnerId(0x10000)).toThrow("Partner Id must be < 0xffff (65535)");
+  it("should throw an error if referralId is greater than 65535", () => {
+    expect(() => validateReferralId(65536)).toThrow(InvalidAmountError);
+    expect(() => validateReferralId(65536)).toThrow("Referral Id must be <= 0xffff (65535)");
+    expect(() => validateReferralId(0x10000)).toThrow("Referral Id must be <= 0xffff (65535)");
   });
 });
 
-describe("addPartnerIdToValue", () => {
-  describe("no partnerId", () => {
+describe("addReferralIdToValue", () => {
+  describe("no referralId", () => {
     const testCases = [
       { input: "0", expected: "0x0" },
       { input: "100", expected: "0x0" },
@@ -36,32 +36,32 @@ describe("addPartnerIdToValue", () => {
       { input: "6175000", expected: "0x5e0000" },
     ];
 
-    test.each(testCases)("no partnerId $input", ({ input, expected }) => {
-      const result = addPartnerIdToValue(input);
+    test.each(testCases)("no referralId $input", ({ input, expected }) => {
+      const result = addReferralIdToValue(input);
       expect(result).toEqual(expected);
     });
   });
-  describe("with partnerId", () => {
+  describe("with referralId", () => {
     const testCases = [
-      { input: "0", expected: "0x1", partnerId: 0x1 },
-      { input: "0", expected: "0x123", partnerId: 0x123 },
-      { input: "0", expected: "0x1234", partnerId: 0x1234 },
-      { input: "0", expected: "0xffff", partnerId: 65535 },
-      { input: "100", expected: "0x1", partnerId: 0x1 },
-      { input: "55000", expected: "0x1", partnerId: 0x1 },
-      { input: "55000", expected: "0x123", partnerId: 0x123 },
-      { input: "55000", expected: "0x1234", partnerId: 0x1234 },
-      { input: "75000", expected: "0x10123", partnerId: 0x123 },
-      { input: "175000", expected: "0x21234", partnerId: 0x1234 },
-      { input: "175000", expected: "0x2ffff", partnerId: 65535 },
-      { input: "6175123", expected: "0x5e0001", partnerId: 0x1 },
-      { input: "6175123", expected: "0x5e0123", partnerId: 0x123 },
-      { input: "6175123", expected: "0x5e1234", partnerId: 0x1234 },
-      { input: "6175123", expected: "0x5effff", partnerId: 65535 },
+      { input: "0", expected: "0x1", referralId: 0x1 },
+      { input: "0", expected: "0x123", referralId: 0x123 },
+      { input: "0", expected: "0x1234", referralId: 0x1234 },
+      { input: "0", expected: "0xffff", referralId: 65535 },
+      { input: "100", expected: "0x1", referralId: 0x1 },
+      { input: "55000", expected: "0x1", referralId: 0x1 },
+      { input: "55000", expected: "0x123", referralId: 0x123 },
+      { input: "55000", expected: "0x1234", referralId: 0x1234 },
+      { input: "75000", expected: "0x10123", referralId: 0x123 },
+      { input: "175000", expected: "0x21234", referralId: 0x1234 },
+      { input: "175000", expected: "0x2ffff", referralId: 65535 },
+      { input: "6175123", expected: "0x5e0001", referralId: 0x1 },
+      { input: "6175123", expected: "0x5e0123", referralId: 0x123 },
+      { input: "6175123", expected: "0x5e1234", referralId: 0x1234 },
+      { input: "6175123", expected: "0x5effff", referralId: 65535 },
     ];
 
-    test.each(testCases)("partnerId $partnerId input $input", ({ input, expected, partnerId }) => {
-      const result = addPartnerIdToValue(input, partnerId);
+    test.each(testCases)("referralId $referralId input $input", ({ input, expected, referralId }) => {
+      const result = addReferralIdToValue(input, referralId);
       expect(result).toEqual(expected);
     });
   });
diff --git a/src/index.ts b/src/index.ts
index 949f9c4..5eb55ed 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -68,11 +68,11 @@ export interface AllbridgeCoreSdkOptions {
   additionalChainsProperties?: Record<string, BasicChainProperties>;
 
   /**
-   * Represents an optional identifier for a partner.
+   * Represents an optional identifier for a referral.
    *
-   * @property {number} [partnerId] - The partner ID. This number should be greater than 0 and less than 0xffff (65535).
+   * @property {number} [referral] - The referral ID. This number should be greater than 0 and less than 0xffff (65535).
    */
-  partnerId?: number;
+  referralId?: number;
 }
 
 /**
diff --git a/src/services/bridge/evm/index.ts b/src/services/bridge/evm/index.ts
index 013fa52..74c257d 100644
--- a/src/services/bridge/evm/index.ts
+++ b/src/services/bridge/evm/index.ts
@@ -16,7 +16,7 @@ import {
   SwapParams,
   TransactionResponse,
 } from "../../../models";
-import { addPartnerIdToValue } from "../../../utils/utils";
+import { addReferralIdToValue } from "../../../utils/utils";
 import { NodeRpcUrlsConfig } from "../../index";
 import { RawTransaction } from "../../models";
 import bridgeAbi from "../../models/abi/Bridge.json";
@@ -76,7 +76,7 @@ export class EvmBridgeService extends ChainBridgeService {
     return Promise.resolve({
       from: fromAccountAddress,
       to: contractAddress,
-      value: addPartnerIdToValue("0", this.sdkOptions.partnerId),
+      value: addReferralIdToValue("0", this.sdkOptions.referralId),
       data: swapMethod.encodeABI(),
     });
   }
@@ -141,7 +141,7 @@ export class EvmBridgeService extends ChainBridgeService {
     return Promise.resolve({
       from: fromAccountAddress,
       to: contractAddress,
-      value: addPartnerIdToValue(value, this.sdkOptions.partnerId),
+      value: addReferralIdToValue(value, this.sdkOptions.referralId),
       data: sendMethod.encodeABI(),
     });
   }
diff --git a/src/services/bridge/trx/index.ts b/src/services/bridge/trx/index.ts
index 94c2652..bad3bb6 100644
--- a/src/services/bridge/trx/index.ts
+++ b/src/services/bridge/trx/index.ts
@@ -6,7 +6,7 @@ import { AllbridgeCoreClient } from "../../../client/core-api/core-client-base";
 import { SdkError } from "../../../exceptions";
 import { AllbridgeCoreSdkOptions } from "../../../index";
 import { FeePaymentMethod, Messenger, SwapParams, TransactionResponse } from "../../../models";
-import { addPartnerIdToValue } from "../../../utils/utils";
+import { addReferralIdToValue } from "../../../utils/utils";
 import { RawTransaction, SmartContractMethodParameter } from "../../models";
 import { sendRawTransaction } from "../../utils/trx";
 import { SendParams, TxSendParams, TxSwapParams } from "../models";
@@ -147,7 +147,7 @@ export class TronBridgeService extends ChainBridgeService {
       contractAddress,
       methodSignature,
       {
-        callValue: addPartnerIdToValue(value, this.sdkOptions.partnerId),
+        callValue: addReferralIdToValue(value, this.sdkOptions.referralId),
       },
       parameters,
       fromAddress
diff --git a/src/services/index.ts b/src/services/index.ts
index aa44d0c..7c596c7 100644
--- a/src/services/index.ts
+++ b/src/services/index.ts
@@ -50,7 +50,7 @@ import {
   swapAndBridgeFeeCalculation,
   swapAndBridgeFeeCalculationReverse,
 } from "../utils/calculation/swap-and-bridge-fee-calc";
-import { getPoolInfoByToken, validateAmountDecimals, validateAmountGtZero, validatePartnerId } from "../utils/utils";
+import { getPoolInfoByToken, validateAmountDecimals, validateAmountGtZero, validateReferralId } from "../utils/utils";
 import { BridgeService, DefaultBridgeService } from "./bridge";
 import { GetNativeTokenBalanceParams } from "./bridge/models";
 import { getExtraGasMaxLimits, getGasFeeOptions } from "./bridge/utils";
@@ -81,7 +81,7 @@ export class AllbridgeCoreSdkService {
   pool: LiquidityPoolService;
 
   constructor(nodeRpcUrlsConfig: NodeRpcUrlsConfig, params: AllbridgeCoreSdkOptions = mainnet) {
-    validatePartnerId(params.partnerId);
+    validateReferralId(params.referralId);
     Chains.addChainsProperties(params.additionalChainsProperties);
     const apiClient = new ApiClientImpl(params);
     const apiClientCaching = new ApiClientCaching(apiClient);
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 71b3430..20691db 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -1,41 +1,36 @@
-import {Big, BigSource} from "big.js";
+import { Big, BigSource } from "big.js";
 import BN from "bn.js";
-import {AllbridgeCoreClientPoolsExt} from "../client/core-api/core-client-pool-info-caching";
-import {ArgumentInvalidDecimalsError, InvalidAmountError, TimeoutError} from "../exceptions";
-import {PoolInfo, TokenWithChainDetails} from "../tokens-info";
-
-export function validatePartnerId(partnerId?: number): void {
-  if (partnerId || partnerId === 0) {
-    if (partnerId <= 0) {
-      throw new InvalidAmountError("Partner Id must be > 0");
+import { AllbridgeCoreClientPoolsExt } from "../client/core-api/core-client-pool-info-caching";
+import { ArgumentInvalidDecimalsError, InvalidAmountError, TimeoutError } from "../exceptions";
+import { PoolInfo, TokenWithChainDetails } from "../tokens-info";
+
+export function validateReferralId(referralId?: number): void {
+  if (referralId || referralId === 0) {
+    if (referralId <= 0) {
+      throw new InvalidAmountError("Referral Id must be > 0");
     }
-    if (partnerId > 65535) {
-      throw new InvalidAmountError("Partner Id must be <= 0xffff (65535)");
+    if (referralId > 65535) {
+      throw new InvalidAmountError("Referral Id must be <= 0xffff (65535)");
     }
   }
 }
 
-export function addPartnerIdToValue(value: string, partnerId?: number): string {
+export function addReferralIdToValue(value: string, referralId?: number): string {
   let number = new BN(value, 10);
   let hexString = number.toString("hex").padStart(6, "0");
 
   hexString = hexString.slice(0, -4);
 
-  if (partnerId) {
-    const partnerIdHex = new BN(partnerId).toString(16).padStart(4, "0");
-    hexString += partnerIdHex.slice(0, 2) + partnerIdHex.slice(2);
+  if (referralId) {
+    const referralIdHex = new BN(referralId).toString(16).padStart(4, "0");
+    hexString += referralIdHex.slice(0, 2) + referralIdHex.slice(2);
   } else {
     hexString += "0000";
   }
 
   hexString = hexString.replace(/^0+/, "");
   number = new BN(hexString, "hex");
-  const result = "0x" + number.toString("hex").padStart(hexString.length, "0");
-  console.log(`addPartnerIdToValue ${value} -> ${result} (${new BN(
-    result.replace(/^0x+/, ""),
-    "hex"
-  ).toString(10)}))`)
-  return result;
+  return "0x" + number.toString("hex").padStart(hexString.length, "0");
 }
 
 export async function getPoolInfoByToken(