diff --git a/serverless/functions/create-wa-task.js b/serverless/functions/create-wa-task.js
index ad9a911..6240ec6 100644
--- a/serverless/functions/create-wa-task.js
+++ b/serverless/functions/create-wa-task.js
@@ -29,6 +29,7 @@ exports.handler = TokenValidator(async (context, event, callback) => {
     workspaceSid,
     workflowSid,
     queueSid,
+    merchant,
   } = params;
 
   console.log(`Processing request with parameters ${JSON.stringify(params)}`);
@@ -50,6 +51,7 @@ exports.handler = TokenValidator(async (context, event, callback) => {
         toNumber,
         fromNumber,
         initialNotificationMessage,
+        merchant,
         {
           workspace_sid: workspaceSid,
           workflow_sid: workflowSid,
@@ -79,6 +81,7 @@ exports.handler = TokenValidator(async (context, event, callback) => {
           toNumber,
           fromNumber,
           initialNotificationMessage,
+          merchant,
           {
             workspace_sid: workspaceSid,
             workflow_sid: workflowSid,
@@ -120,6 +123,7 @@ const validate = async (event) => {
     workspaceSid: string(),
     workflowSid: string(),
     queueSid: string(),
+    merchant: string(),
   });
   try {
     const params = await schema.validate(event, {
@@ -174,6 +178,7 @@ const openTaskInteraction = async (
   to,
   from,
   body,
+  merchant,
   routingProperties
 ) => {
   const toNumber = `whatsapp:${to}`;
@@ -205,6 +210,7 @@ const openTaskInteraction = async (
             twilioNumber: from,
             channelType: 'whatsapp',
             initialNotificationMessage: body,
+            merchant,
           },
         },
       },
diff --git a/src/components/OutboundWaDialog/OutboundWaDialog.js b/src/components/OutboundWaDialog/OutboundWaDialog.js
index 2852969..509d383 100644
--- a/src/components/OutboundWaDialog/OutboundWaDialog.js
+++ b/src/components/OutboundWaDialog/OutboundWaDialog.js
@@ -7,6 +7,7 @@ import { v4 as uuidv4 } from 'uuid';
 import unidecode from 'unidecode';
 
 import taskService from '../../services/TaskService';
+import merchantService from '../../services/MerchantService';
 import getTemplatesService from '../../services/GetTemplatesService';
 import OutboundSenderIdSelector from '../OutboundSenderIdSelector/OuboundSenderIdSelector';
 
@@ -210,14 +211,19 @@ class OutboundWaDialog extends React.Component {
     });
   }
 
-  createTask() {
+  async createTask() {
     Actions.invokeAction('SetActivity', {
       activitySid: taskService.availableActivitySid,
     });
-    return taskService.createTask(
+    const merchant = await merchantService.findMerchantByPhoneNumber(
+      this.state.toNumber
+    );
+
+    return await taskService.createTask(
       this.state.fromNumber,
       '+55' + this.state.toNumber,
-      this.state.message
+      this.state.message,
+      merchant
     );
   }
 
diff --git a/src/services/MerchantService.js b/src/services/MerchantService.js
new file mode 100644
index 0000000..fa92493
--- /dev/null
+++ b/src/services/MerchantService.js
@@ -0,0 +1,22 @@
+import { Manager } from '@twilio/flex-ui';
+import axios from 'axios';
+
+class MerchantService {
+  manager = Manager.getInstance();
+  baseUrl = process.env.REACT_APP_GET_MERCHANT_CONTACT_ENDPOINT;
+
+  findMerchantByPhoneNumber = async (phoneNumber) => {
+    return await axios
+      .post(this.baseUrl, {
+        Token: this.manager.store.getState().flex.session.ssoTokenPayload.token,
+        phoneNumber: `whatsapp:+55${phoneNumber}`,
+      })
+      .then((response) => {
+        return response.data.list;
+      });
+  };
+}
+
+const merchantService = new MerchantService();
+
+export default merchantService;
diff --git a/src/services/TaskService.js b/src/services/TaskService.js
index 1a38bec..e1d4310 100644
--- a/src/services/TaskService.js
+++ b/src/services/TaskService.js
@@ -9,7 +9,12 @@ class TaskService {
   workflowSid = process.env.REACT_APP_WORKFLOW_SID;
   queueSid = process.env.REACT_APP_TASK_QUEUE_SID;
 
-  createTask = async (fromNumber, toNumber, initialNotificationMessage) => {
+  createTask = async (
+    fromNumber,
+    toNumber,
+    initialNotificationMessage,
+    merchant
+  ) => {
     let data = {
       fromNumber,
       toNumber,
@@ -19,6 +24,7 @@ class TaskService {
       workspaceSid: this.workspaceSid,
       workflowSid: this.workflowSid,
       queueSid: this.queueSid,
+      merchant: JSON.stringify(merchant),
     };
 
     return axios.post(this.baseUrl, data).then((response) => {