diff --git a/packages/rest-api/src/controllers/bridgeController.ts b/packages/rest-api/src/controllers/bridgeController.ts
index 96847bccc2..44aabb5ea4 100644
--- a/packages/rest-api/src/controllers/bridgeController.ts
+++ b/packages/rest-api/src/controllers/bridgeController.ts
@@ -19,7 +19,16 @@ export const bridgeController = async (req, res) => {
       fromToken,
       toToken,
       originUserAddress,
-    } = req.query
+      destAddress, // Optional parameter
+    } = req.query as {
+      fromChain: string
+      toChain: string
+      amount: string
+      fromToken: string
+      toToken: string
+      originUserAddress?: string
+      destAddress?: string
+    }
 
     const fromTokenInfo = tokenAddressToToken(fromChain.toString(), fromToken)
     const toTokenInfo = tokenAddressToToken(toChain.toString(), toToken)
@@ -37,23 +46,40 @@ export const bridgeController = async (req, res) => {
         : {}
     )
 
-    const payload = resp.map((quote) => {
-      const originQueryTokenOutInfo = tokenAddressToToken(
-        fromChain.toString(),
-        quote.originQuery.tokenOut
-      )
-      return {
-        ...quote,
-        maxAmountOutStr: formatBNToString(
-          quote.maxAmountOut,
-          toTokenInfo.decimals
-        ),
-        bridgeFeeFormatted: formatBNToString(
-          quote.feeAmount,
-          originQueryTokenOutInfo.decimals
-        ),
-      }
-    })
+    const payload = await Promise.all(
+      resp.map(async (quote) => {
+        const originQueryTokenOutInfo = tokenAddressToToken(
+          fromChain.toString(),
+          quote.originQuery.tokenOut
+        )
+
+        const callData = destAddress
+          ? await Synapse.bridge(
+              destAddress,
+              quote.routerAddress,
+              Number(fromChain),
+              Number(toChain),
+              fromToken,
+              amountInWei,
+              quote.originQuery,
+              quote.destQuery
+            )
+          : null
+
+        return {
+          ...quote,
+          maxAmountOutStr: formatBNToString(
+            quote.maxAmountOut,
+            toTokenInfo.decimals
+          ),
+          bridgeFeeFormatted: formatBNToString(
+            quote.feeAmount,
+            originQueryTokenOutInfo.decimals
+          ),
+          callData,
+        }
+      })
+    )
 
     logger.info(`Successful bridgeController response`, {
       payload,
diff --git a/packages/rest-api/src/controllers/swapController.ts b/packages/rest-api/src/controllers/swapController.ts
index fbaec5f754..cace5e3a22 100644
--- a/packages/rest-api/src/controllers/swapController.ts
+++ b/packages/rest-api/src/controllers/swapController.ts
@@ -12,7 +12,7 @@ export const swapController = async (req, res) => {
     return res.status(400).json({ errors: errors.array() })
   }
   try {
-    const { chain, amount, fromToken, toToken } = req.query
+    const { chain, amount, fromToken, toToken, address } = req.query
 
     const fromTokenInfo = tokenAddressToToken(chain.toString(), fromToken)
     const toTokenInfo = tokenAddressToToken(chain.toString(), toToken)
@@ -30,9 +30,20 @@ export const swapController = async (req, res) => {
       toTokenInfo.decimals
     )
 
+    const callData = address
+      ? await Synapse.swap(
+          Number(chain),
+          address,
+          fromToken,
+          amountInWei,
+          quote.query
+        )
+      : null
+
     const payload = {
       ...quote,
       maxAmountOut: formattedMaxAmountOut,
+      callData,
     }
 
     logger.info(`Successful swapController response`, {
diff --git a/packages/rest-api/src/routes/bridgeRoute.ts b/packages/rest-api/src/routes/bridgeRoute.ts
index 3c6e34c1ed..4d534306fc 100644
--- a/packages/rest-api/src/routes/bridgeRoute.ts
+++ b/packages/rest-api/src/routes/bridgeRoute.ts
@@ -57,6 +57,12 @@ const router: express.Router = express.Router()
  *         schema:
  *           type: string
  *         description: The address of the user on the origin chain
+ *       - in: query
+ *         name: destAddress
+ *         required: false
+ *         schema:
+ *           type: string
+ *         description: The destination address for the bridge transaction
  *     responses:
  *       200:
  *         description: Successful response
@@ -102,6 +108,16 @@ const router: express.Router = express.Router()
  *                     type: string
  *                   bridgeFeeFormatted:
  *                     type: string
+ *                   callData:
+ *                     type: object
+ *                     nullable: true
+ *                     properties:
+ *                       to:
+ *                         type: string
+ *                       data:
+ *                         type: string
+ *                       value:
+ *                         type: string
  *             example:
  *               - id: "01920c87-7f14-7cdf-90e1-e13b2d4af55f"
  *                 feeAmount:
@@ -253,6 +269,10 @@ router.get(
       .optional()
       .custom((value) => isAddress(value))
       .withMessage('Invalid originUserAddress address'),
+    check('destAddress')
+      .optional()
+      .custom((value) => isAddress(value))
+      .withMessage('Invalid destAddress'),
   ],
   showFirstValidationError,
   bridgeController
diff --git a/packages/rest-api/src/routes/swapRoute.ts b/packages/rest-api/src/routes/swapRoute.ts
index 2fb224062d..4018fe2b90 100644
--- a/packages/rest-api/src/routes/swapRoute.ts
+++ b/packages/rest-api/src/routes/swapRoute.ts
@@ -1,5 +1,6 @@
 import express from 'express'
 import { check } from 'express-validator'
+import { isAddress } from 'ethers/lib/utils'
 
 import { showFirstValidationError } from '../middleware/showFirstValidationError'
 import { swapController } from '../controllers/swapController'
@@ -46,6 +47,12 @@ const router: express.Router = express.Router()
  *         schema:
  *           type: number
  *         description: The amount of tokens to swap
+ *       - in: query
+ *         name: address
+ *         required: false
+ *         schema:
+ *           type: string
+ *         description: Optional. The address that will perform the swap. If provided, returns transaction data.
  *     responses:
  *       200:
  *         description: Successful response
@@ -76,6 +83,16 @@ const router: express.Router = express.Router()
  *                     rawParams:
  *                       type: string
  *                       description: Raw parameters for the swap
+ *                     callData:
+ *                       type: object
+ *                       nullable: true
+ *                       properties:
+ *                         to:
+ *                           type: string
+ *                         data:
+ *                           type: string
+ *                         value:
+ *                           type: string
  *             example:
  *               routerAddress: "0x7E7A0e201FD38d3ADAA9523Da6C109a07118C96a"
  *               maxAmountOut: "999.746386"
@@ -191,6 +208,10 @@ router.get(
         return validSwapTokens(chain, fromToken, toToken)
       })
       .withMessage('Swap not supported for given tokens'),
+    check('address')
+      .optional()
+      .custom((value) => isAddress(value))
+      .withMessage('Invalid address'),
   ],
   showFirstValidationError,
   swapController
diff --git a/packages/rest-api/src/tests/bridgeRoute.test.ts b/packages/rest-api/src/tests/bridgeRoute.test.ts
index 811c267d0c..ce6fc247d4 100644
--- a/packages/rest-api/src/tests/bridgeRoute.test.ts
+++ b/packages/rest-api/src/tests/bridgeRoute.test.ts
@@ -174,19 +174,51 @@ describe('Bridge Route with Real Synapse Service', () => {
     expect(response.body.error).toHaveProperty('field', 'amount')
   })
 
-  it('should return 400 for amount with too many decimals', async () => {
+  it('should return bridge quotes with callData when destAddress is provided', async () => {
     const response = await request(app).get('/bridge').query({
       fromChain: '1',
       toChain: '10',
       fromToken: USDC.addresses[1],
       toToken: USDC.addresses[10],
-      amount: '1000.123456789', // Assuming USDC has 6 decimals
+      amount: '1000',
+      destAddress: '0x742d35Cc6634C0532925a3b844Bc454e4438f44e',
+    })
+
+    expect(response.status).toBe(200)
+    expect(Array.isArray(response.body)).toBe(true)
+    expect(response.body.length).toBeGreaterThan(0)
+    expect(response.body[0]).toHaveProperty('callData')
+    expect(response.body[0].callData).toHaveProperty('to')
+    expect(response.body[0].callData).toHaveProperty('data')
+    expect(response.body[0].callData).toHaveProperty('value')
+  }, 15000)
+
+  it('should return bridge quotes without callData when destAddress is not provided', async () => {
+    const response = await request(app).get('/bridge').query({
+      fromChain: '1',
+      toChain: '10',
+      fromToken: USDC.addresses[1],
+      toToken: USDC.addresses[10],
+      amount: '1000',
+    })
+
+    expect(response.status).toBe(200)
+    expect(Array.isArray(response.body)).toBe(true)
+    expect(response.body.length).toBeGreaterThan(0)
+    expect(response.body[0].callData).toBeNull()
+  }, 15000)
+
+  it('should return 400 for invalid destAddress', async () => {
+    const response = await request(app).get('/bridge').query({
+      fromChain: '1',
+      toChain: '10',
+      fromToken: USDC.addresses[1],
+      toToken: USDC.addresses[10],
+      amount: '1000',
+      destAddress: 'invalid_address',
     })
 
     expect(response.status).toBe(400)
-    expect(response.body.error).toHaveProperty(
-      'message',
-      expect.stringContaining('Amount has too many decimals')
-    )
+    expect(response.body.error).toHaveProperty('message', 'Invalid destAddress')
   }, 15000)
 })
diff --git a/packages/rest-api/src/tests/swapRoute.test.ts b/packages/rest-api/src/tests/swapRoute.test.ts
index b4408d9bb4..23a5871207 100644
--- a/packages/rest-api/src/tests/swapRoute.test.ts
+++ b/packages/rest-api/src/tests/swapRoute.test.ts
@@ -134,18 +134,50 @@ describe('Swap Route with Real Synapse Service', () => {
     expect(response.body.error).toHaveProperty('field', 'amount')
   }, 10_000)
 
-  it('should return 400 for amount with too many decimals', async () => {
+  it('should return swap quote with callData when address is provided', async () => {
     const response = await request(app).get('/swap').query({
       chain: '1',
       fromToken: USDC.addresses[1],
       toToken: DAI.addresses[1],
-      amount: '1000.123456789', // Assuming USDC has 6 decimals
+      amount: '1000',
+      address: '0x742d35Cc6634C0532925a3b844Bc454e4438f44e',
+    })
+
+    expect(response.status).toBe(200)
+    expect(response.body).toHaveProperty('maxAmountOut')
+    expect(response.body).toHaveProperty('routerAddress')
+    expect(response.body).toHaveProperty('query')
+    expect(response.body).toHaveProperty('callData')
+    expect(response.body.callData).toHaveProperty('to')
+    expect(response.body.callData).toHaveProperty('data')
+    expect(response.body.callData).toHaveProperty('value')
+  }, 10_000)
+
+  it('should return swap quote without callData when address is not provided', async () => {
+    const response = await request(app).get('/swap').query({
+      chain: '1',
+      fromToken: USDC.addresses[1],
+      toToken: DAI.addresses[1],
+      amount: '1000',
+    })
+
+    expect(response.status).toBe(200)
+    expect(response.body).toHaveProperty('maxAmountOut')
+    expect(response.body).toHaveProperty('routerAddress')
+    expect(response.body).toHaveProperty('query')
+    expect(response.body.callData).toBeNull()
+  }, 10_000)
+
+  it('should return 400 for invalid address', async () => {
+    const response = await request(app).get('/swap').query({
+      chain: '1',
+      fromToken: USDC.addresses[1],
+      toToken: DAI.addresses[1],
+      amount: '1000',
+      address: 'invalid_address',
     })
 
     expect(response.status).toBe(400)
-    expect(response.body.error).toHaveProperty(
-      'message',
-      expect.stringContaining('Amount has too many decimals')
-    )
-  }, 10000)
+    expect(response.body.error).toHaveProperty('message', 'Invalid address')
+  }, 10_000)
 })
diff --git a/packages/rest-api/swagger.json b/packages/rest-api/swagger.json
index 40bae70d6b..7190b10524 100644
--- a/packages/rest-api/swagger.json
+++ b/packages/rest-api/swagger.json
@@ -197,6 +197,15 @@
               "type": "string"
             },
             "description": "The address of the user on the origin chain"
+          },
+          {
+            "in": "query",
+            "name": "destAddress",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "description": "The destination address of the user on the destination chain"
           }
         ],
         "responses": {
@@ -1206,6 +1215,15 @@
               "type": "number"
             },
             "description": "The amount of tokens to swap"
+          },
+          {
+            "in": "query",
+            "name": "address",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "description": "The address of the user"
           }
         ],
         "responses": {