diff --git a/packages/starknet-snap/src/rpcs/executeTxn.ts b/packages/starknet-snap/src/rpcs/executeTxn.ts
index dcb55a00..3b89ff93 100644
--- a/packages/starknet-snap/src/rpcs/executeTxn.ts
+++ b/packages/starknet-snap/src/rpcs/executeTxn.ts
@@ -25,6 +25,7 @@ import {
   confirmDialog,
   UniversalDetailsStruct,
   CallsStruct,
+  mapDeprecatedParams,
 } from '../utils';
 import { logger } from '../utils/logger';
 import {
@@ -76,6 +77,21 @@ export class ExecuteTxnRpc extends AccountRpcController<
     this.tokenStateManager = new TokenStateManager();
   }
 
+  protected async preExecute(params: ExecuteTxnParams): Promise<void> {
+    // Define mappings to ensure backward compatibility with previous versions of the API.
+    // These mappings replace deprecated parameter names with the updated equivalents,
+    // allowing older integrations to function without changes
+    const paramMappings: Record<string, string> = {
+      senderAddress: 'address',
+      txnInvocation: 'calls',
+      invocationsDetails: 'details',
+    };
+
+    // Apply the mappings to params
+    mapDeprecatedParams(params, paramMappings);
+    await super.preExecute(params);
+  }
+
   /**
    * Execute the transaction request handler.
    *
diff --git a/packages/starknet-snap/src/rpcs/sign-declare-transaction.ts b/packages/starknet-snap/src/rpcs/sign-declare-transaction.ts
index b6496553..f9f784a4 100644
--- a/packages/starknet-snap/src/rpcs/sign-declare-transaction.ts
+++ b/packages/starknet-snap/src/rpcs/sign-declare-transaction.ts
@@ -16,6 +16,7 @@ import {
   BaseRequestStruct,
   AccountRpcController,
   DeclareSignDetailsStruct,
+  mapDeprecatedParams,
 } from '../utils';
 import { signDeclareTransaction as signDeclareTransactionUtil } from '../utils/starknetUtils';
 
@@ -48,6 +49,22 @@ export class SignDeclareTransactionRpc extends AccountRpcController<
 
   protected responseStruct = SignDeclareTransactionResponseStruct;
 
+  protected async preExecute(
+    params: SignDeclareTransactionParams,
+  ): Promise<void> {
+    // Define mappings to ensure backward compatibility with previous versions of the API.
+    // These mappings replace deprecated parameter names with the updated equivalents,
+    // allowing older integrations to function without changes
+    const paramMappings: Record<string, string> = {
+      signerAddress: 'address',
+      transaction: 'details',
+    };
+
+    // Apply the mappings to params
+    mapDeprecatedParams(params, paramMappings);
+    await super.preExecute(params);
+  }
+
   /**
    * Execute the sign declare transaction request handler.
    * It will show a confirmation dialog to the user before signing the declare transaction.
diff --git a/packages/starknet-snap/src/rpcs/signMessage.ts b/packages/starknet-snap/src/rpcs/signMessage.ts
index a04b9adc..896bcfed 100644
--- a/packages/starknet-snap/src/rpcs/signMessage.ts
+++ b/packages/starknet-snap/src/rpcs/signMessage.ts
@@ -16,6 +16,7 @@ import {
   AuthorizableStruct,
   BaseRequestStruct,
   AccountRpcController,
+  mapDeprecatedParams,
 } from '../utils';
 import { signMessage as signMessageUtil } from '../utils/starknetUtils';
 
@@ -45,6 +46,19 @@ export class SignMessageRpc extends AccountRpcController<
 
   protected responseStruct = SignMessageResponseStruct;
 
+  protected async preExecute(params: SignMessageParams): Promise<void> {
+    // Define mappings to ensure backward compatibility with previous versions of the API.
+    // These mappings replace deprecated parameter names with the updated equivalents,
+    // allowing older integrations to function without changes
+    const paramMappings: Record<string, string> = {
+      signerAddress: 'address',
+    };
+
+    // Apply the mappings to params
+    mapDeprecatedParams(params, paramMappings);
+    await super.preExecute(params);
+  }
+
   /**
    * Execute the sign message request handler.
    * It will show a confirmation dialog to the user before signing the message.
diff --git a/packages/starknet-snap/src/rpcs/signTransaction.ts b/packages/starknet-snap/src/rpcs/signTransaction.ts
index c7f79b57..6f66350e 100644
--- a/packages/starknet-snap/src/rpcs/signTransaction.ts
+++ b/packages/starknet-snap/src/rpcs/signTransaction.ts
@@ -17,6 +17,7 @@ import {
   AccountRpcController,
   CallDataStruct,
   toJson,
+  mapDeprecatedParams,
 } from '../utils';
 import { signTransactions } from '../utils/starknetUtils';
 
@@ -49,6 +50,19 @@ export class SignTransactionRpc extends AccountRpcController<
 
   protected responseStruct = SignTransactionResponseStruct;
 
+  protected async preExecute(params: SignTransactionParams): Promise<void> {
+    // Define mappings to ensure backward compatibility with previous versions of the API.
+    // These mappings replace deprecated parameter names with the updated equivalents,
+    // allowing older integrations to function without changes
+    const paramMappings: Record<string, string> = {
+      signerAddress: 'address',
+    };
+
+    // Apply the mappings to params
+    mapDeprecatedParams(params, paramMappings);
+    await super.preExecute(params);
+  }
+
   /**
    * Execute the sign transaction request handler.
    * It will show a confirmation dialog to the user before signing the transaction.
diff --git a/packages/starknet-snap/src/utils/formatterUtils.test.ts b/packages/starknet-snap/src/utils/formatterUtils.test.ts
new file mode 100644
index 00000000..0ea9b941
--- /dev/null
+++ b/packages/starknet-snap/src/utils/formatterUtils.test.ts
@@ -0,0 +1,67 @@
+import { mapDeprecatedParams } from './formatterUtils';
+
+describe('mapDeprecatedParams', () => {
+  it('maps deprecated parameters to their new equivalents', () => {
+    const requestParams = {
+      signerAddress: '0x123',
+      txnInvocation: 'invoke',
+    };
+    const mappings = {
+      signerAddress: 'address',
+      txnInvocation: 'calls',
+    };
+
+    const expected = {
+      address: '0x123',
+      calls: 'invoke',
+    };
+
+    mapDeprecatedParams(requestParams, mappings);
+
+    expect(requestParams).toStrictEqual(expected);
+  });
+
+  it('removes the deprecated parameter after mapping', () => {
+    const requestParams = {
+      signerAddress: '0x123',
+      txnInvocation: 'invoke',
+    };
+    const mappings = {
+      signerAddress: 'address',
+      txnInvocation: 'calls',
+    };
+
+    mapDeprecatedParams(requestParams, mappings);
+
+    expect(requestParams).not.toHaveProperty('signerAddress');
+    expect(requestParams).not.toHaveProperty('txnInvocation');
+  });
+
+  it('does nothing if the deprecated parameter does not exist', () => {
+    const requestParams = {
+      otherParam: 'value',
+    };
+    const mappings = {
+      signerAddress: 'address',
+    };
+
+    const expected = { otherParam: 'value' };
+
+    mapDeprecatedParams(requestParams, mappings);
+
+    expect(requestParams).toStrictEqual(expected);
+  });
+
+  it('does nothing if the mapping is empty', () => {
+    const requestParams = {
+      signerAddress: '0x123',
+    };
+    const mappings = {};
+
+    const expected = { signerAddress: '0x123' };
+
+    mapDeprecatedParams(requestParams, mappings);
+
+    expect(requestParams).toStrictEqual(expected);
+  });
+});
diff --git a/packages/starknet-snap/src/utils/formatterUtils.ts b/packages/starknet-snap/src/utils/formatterUtils.ts
index ebfdf475..c91e1488 100644
--- a/packages/starknet-snap/src/utils/formatterUtils.ts
+++ b/packages/starknet-snap/src/utils/formatterUtils.ts
@@ -7,3 +7,33 @@ export const hexToString = (hexStr) => {
   }
   return str;
 };
+
+/**
+ * Maps deprecated parameters to their new equivalents in the requestParams object
+ * and removes the deprecated parameters afterward.
+ *
+ * @param requestParams - The object containing the API request parameters.
+ * @param mappings - A record of key-value pairs where the key is the old parameter
+ * and the value is the new parameter.
+ * @example
+ * const paramMappings = {
+ *   signerAddress: 'address',
+ *   senderAddress: 'address',
+ *   txnInvocation: 'calls',
+ *   invocationsDetails: 'details',
+ *   transaction: 'details'
+ * };
+ * mapDeprecatedParams(apiParams.requestParams, paramMappings);
+ */
+export const mapDeprecatedParams = <Params>(
+  requestParams: Params,
+  mappings: Record<string, string>,
+) => {
+  Object.keys(mappings).forEach((oldParam) => {
+    const newParam = mappings[oldParam] as unknown as keyof Params;
+    if (Object.prototype.hasOwnProperty.call(requestParams, oldParam)) {
+      requestParams[newParam] = requestParams[oldParam];
+      delete requestParams[oldParam]; // Remove old param after mapping
+    }
+  });
+};