The workflow JSON
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{
"name": "[DEV] sarah / outbound-caller-with-client-data",
"description": null,
"active": true,
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "initiate-call",
"responseMode": "responseNode",
"options": {},
"authentication": "headerAuth"
},
"id": "trigger-webhook",
"name": "Webhook: Initiate Call",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
240,
304
]
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const rawData = $input.item.json;\nconst input = rawData.body || rawData;\n\n// ============================================\n// INPUT VALIDATION (Critical for 98%+ success)\n// ============================================\nconst phone = input.phone;\n\n// Validate phone exists\nif (!phone || phone === null || phone === undefined) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone is required',\n validation_failed: true,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// Validate phone format (must start with +)\nif (typeof phone !== 'string' || !phone.startsWith('+')) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone must be in E.164 format (start with +)',\n validation_failed: true,\n received_phone: phone,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// Validate phone has enough digits\nconst digitsOnly = phone.replace(/\\D/g, '');\nif (digitsOnly.length < 10) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone must have at least 10 digits',\n validation_failed: true,\n received_phone: phone,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// ============================================\n// BUILD PAYLOAD (Validation passed)\n// ============================================\nconst payload = {\n agent_id: '<REDACTED:elevenlabs-agent-id>',\n agent_phone_number_id: '<REDACTED:elevenlabs-phone-id>',\n to_number: phone,\n conversation_initiation_client_data: {\n user_id: input.customer_id || phone,\n dynamic_variables: {\n customer_name: input.customer_name || '',\n customer_first_name: input.customer_name?.split(' ')[0] || input.customer_name || '',\n account_type: input.account_type || 'standard',\n account_number: input.account_number || '',\n call_purpose: input.call_purpose || 'general inquiry',\n pipedrive_person_id: input.pipedrive_person_id || 0\n }\n }\n};\n\nreturn {\n json: {\n payload,\n original_input: input,\n client_data_injected: true,\n validation_passed: true,\n timestamp: new Date().toISOString()\n }\n};"
},
"id": "build-client-data",
"name": "Build Client Data Payload",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
464,
304
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"leftValue": "={{ $json.validation_failed }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "failed"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"leftValue": "={{ $json.validation_passed }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "passed"
}
]
},
"options": {
"fallbackOutput": "none"
}
},
"id": "validation-router",
"name": "Validation Router",
"type": "n8n-nodes-base.switch",
"typeVersion": 3,
"position": [
620,
304
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.elevenlabs.io/v1/convai/twilio/outbound-call",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify($json.payload) }}",
"options": {
"response": {
"response": {
"fullResponse": true
}
}
}
},
"id": "call-elevenlabs",
"name": "ElevenLabs: Initiate Outbound Call",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
800,
400
]
},
{
"id": "build-response",
"name": "Build Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1000,
400
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const response = $json;\nconst isSuccess = response.statusCode === 200 && response.body?.success !== false;\n\nif (isSuccess) {\n return {\n json: {\n success: true,\n conversation_id: response.body?.conversation_id || null,\n call_sid: response.body?.callSid || null,\n call_id: response.body?.conversation_id || null,\n client_data_injected: true,\n initiated: true,\n timestamp: new Date().toISOString()\n }\n };\n} else {\n return {\n json: {\n success: false,\n error: response.body?.message || response.body?.detail || 'Unknown error',\n client_data_injected: true,\n initiated: false,\n timestamp: new Date().toISOString()\n }\n };\n}"
}
},
{
"id": "respond-success",
"name": "Respond Success",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1200,
400
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {
"responseCode": "={{ $json.success ? 200 : 500 }}"
}
}
},
{
"id": "respond-validation-error",
"name": "Respond Validation Error",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
800,
200
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {
"responseCode": 400
}
}
},
{
"parameters": {
"httpMethod": "POST",
"path": "send-sms",
"responseMode": "responseNode",
"options": {},
"authentication": "headerAuth"
},
"id": "sms-webhook",
"name": "Webhook: Send SMS",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
240,
700
]
},
{
"parameters": {
"jsCode": "const rawData = $input.item.json;\n\n// Handle multiple nesting levels (webhook adds body, ElevenLabs may also nest)\n// Possible structures:\n// 1. Direct: { phone_number: ... }\n// 2. Single nest: { body: { phone_number: ... } }\n// 3. Double nest: { body: { body: { phone_number: ... } } }\nlet input = rawData;\nif (input.body) {\n input = input.body;\n if (input.body) {\n input = input.body; // Handle double nesting\n }\n}\n\n// ============================================\n// INPUT VALIDATION\n// ============================================\nconst phone = input.phone_number;\n\n// Validate phone exists\nif (!phone || phone === null || phone === undefined) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone_number is required',\n validation_failed: true,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// Validate phone format (must start with +)\nif (typeof phone !== 'string' || !phone.startsWith('+')) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone_number must be in E.164 format (start with +)',\n validation_failed: true,\n received_phone: phone,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// Validate phone has enough digits\nconst digitsOnly = phone.replace(/\\D/g, '');\nif (digitsOnly.length < 10) {\n return {\n json: {\n success: false,\n error: 'VALIDATION_ERROR: phone_number must have at least 10 digits',\n validation_failed: true,\n received_phone: phone,\n timestamp: new Date().toISOString()\n }\n };\n}\n\n// Get caller name with fallbacks\nconst callerName = input.caller_name || input.first_name || 'there';\n\nreturn {\n json: {\n phone_number: phone,\n caller_name: callerName,\n validation_passed: true,\n timestamp: new Date().toISOString()\n }\n};"
},
"id": "sms-validate",
"name": "Validate SMS Input",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
440,
700
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"leftValue": "={{ $json.validation_failed }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "failed"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"conditions": [
{
"leftValue": "={{ $json.validation_passed }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "passed"
}
]
},
"options": {
"fallbackOutput": "none"
}
},
"id": "sms-router",
"name": "SMS Validation Router",
"type": "n8n-nodes-base.switch",
"typeVersion": 3,
"position": [
620,
700
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.twilio.com/2010-04-01/Accounts/<REDACTED:twilio-account-sid>/Messages.json",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Basic QUNiOWEzYjdkZjJkZmU2MDcwOTliZDBjZTBlNmFlNDdlMTphNWQ3YmZhYTM5OWZhZTZkZjJlZjJmNTcyZTdmMDZmYg=="
},
{
"name": "Content-Type",
"value": "application/x-www-form-urlencoded"
}
]
},
"sendBody": true,
"contentType": "form-urlencoded",
"bodyParameters": {
"parameters": [
{
"name": "From",
"value": "<REDACTED:phone>"
},
{
"name": "To",
"value": "={{ $json.phone_number }}"
},
{
"name": "Body",
"value": "=Hi {{ $json.caller_name }}! Here is your link to book a demo with Wranngle: https://cal.com/wranngle/demo\n\nReply STOP to opt out."
}
]
},
"options": {
"response": {
"response": {
"fullResponse": true
}
}
}
},
"id": "twilio-http-sms",
"name": "Twilio SMS via HTTP",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
800,
800
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ { success: true, message: 'SMS sent', sid: $json.body.sid } }}",
"options": {
"responseCode": 200
}
},
"id": "sms-response-node",
"name": "SMS Response",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1000,
800
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {
"responseCode": 400
}
},
"id": "sms-validation-error",
"name": "SMS Validation Error",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
800,
600
]
}
],
"connections": {
"Webhook: Initiate Call": {
"main": [
[
{
"node": "Build Client Data Payload",
"type": "main",
"index": 0
}
]
]
},
"Build Client Data Payload": {
"main": [
[
{
"node": "Validation Router",
"type": "main",
"index": 0
}
]
]
},
"Validation Router": {
"main": [
[
{
"node": "Respond Validation Error",
"type": "main",
"index": 0
}
],
[
{
"node": "ElevenLabs: Initiate Outbound Call",
"type": "main",
"index": 0
}
]
]
},
"ElevenLabs: Initiate Outbound Call": {
"main": [
[
{
"node": "Build Response",
"type": "main",
"index": 0
}
]
]
},
"Build Response": {
"main": [
[
{
"node": "Respond Success",
"type": "main",
"index": 0
}
]
]
},
"Webhook: Send SMS": {
"main": [
[
{
"node": "Validate SMS Input",
"type": "main",
"index": 0
}
]
]
},
"Validate SMS Input": {
"main": [
[
{
"node": "SMS Validation Router",
"type": "main",
"index": 0
}
]
]
},
"SMS Validation Router": {
"main": [
[
{
"node": "SMS Validation Error",
"type": "main",
"index": 0
}
],
[
{
"node": "Twilio SMS via HTTP",
"type": "main",
"index": 0
}
]
]
},
"Twilio SMS via HTTP": {
"main": [
[
{
"node": "SMS Response",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"callerPolicy": "workflowsFromSameOwner",
"availableInMCP": false,
"saveDataErrorExecution": "all",
"saveDataSuccessExecution": "all",
"saveManualExecutions": true,
"saveExecutionProgress": true
},
"tags": [
"DEV"
]
}
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About this workflow
[DEV] sarah / outbound-caller-with-client-data. Uses httpRequest. Webhook trigger; 13 nodes.
Source: https://github.com/wranngle/n8n_showcase/blob/main/workflows/sarah/outbound-caller-with-client-data.json — original creator credit. Request a take-down →
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