Auto-call New Typeform Submissions with Vapi Voice Assistant

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "id": "J617rBUQYkh2SaEZ",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Start an outbound Vapi phone call from a new Typeform submission",
  "tags": [],
  "nodes": [
    {
      "id": "6c0ef8ff-de61-43b5-abf9-3e58e1ea082a",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        158,
        -156
      ],
      "parameters": {
        "width": 260,
        "height": 396,
        "content": "## Set Vapi fields\nYou must set the following fields that you can obtain inside your Vapi account \n- phone number id which will make the call\n- assistant id which will be enabled in the call\n- your Vapi api key"
      },
      "typeVersion": 1
    },
    {
      "id": "24916d7d-9ef6-4150-b452-bdc848adfe0e",
      "name": "Start outbound Vapi call",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        464,
        80
      ],
      "parameters": {
        "url": "https://api.vapi.ai/call",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n    \"assistantId\": \"{{ $json.vapiAssistantId }}\",\n    \"phoneNumberId\": \"{{ $json.vapiPhoneNumberId }}\",\n    \"customer\": {\n        \"number\": \"{{ $('Typeform Trigger').item.json.Phone }}\"\n    }\n}\n",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{ $json.vapiApi }}"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "03574069-ce42-4a6f-8b34-b47a41b481c0",
      "name": "Set fields",
      "type": "n8n-nodes-base.set",
      "position": [
        240,
        80
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "f38947e1-c75a-44cc-88f9-c44fc80bada8",
              "name": "vapiPhoneNumberId",
              "type": "string",
              "value": "insert-id"
            },
            {
              "id": "463ed66e-e072-48dc-a75d-a3815fd07de0",
              "name": "vapiAssistantId",
              "type": "string",
              "value": "insert-id"
            },
            {
              "id": "93f058cd-e015-4b83-a16f-efceddafb128",
              "name": "vapiApi",
              "type": "string",
              "value": "insert-api"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "da806b32-09c9-4f62-8006-9145435bf956",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -624,
        -160
      ],
      "parameters": {
        "color": 4,
        "width": 320,
        "height": 488,
        "content": "## Requirements \n### Typeform\n- [Typeform](https://typeform.cello.so/e2pbXQKsijA) account\n- Typerform personal access token and credentials enabled in n8n\n- A Typeform form published that includes a phone number field\n\n### Vapi\n- A [Vapi](https://vapi.ai/?aff=onenode) account with credit\n- A connected phone number which will make the calls\n- An assistant created and ready to make calls\n- Vapi api key \n\n### Useful links\n- [Vapi docs](https://docs.vapi.ai/api-reference/calls/create)\n- [n8n Typeform credentials](https://docs.n8n.io/integrations/builtin/credentials/typeform/)"
      },
      "typeVersion": 1
    },
    {
      "id": "38eaeb6e-857d-4e89-bcc8-8a2b589a763b",
      "name": "Wait 2min",
      "type": "n8n-nodes-base.wait",
      "position": [
        16,
        80
      ],
      "parameters": {
        "unit": "minutes",
        "amount": 2
      },
      "typeVersion": 1.1
    },
    {
      "id": "e7da33ce-eeca-49b9-92f2-8c3b3f0cb9aa",
      "name": "Typeform Trigger",
      "type": "n8n-nodes-base.typeformTrigger",
      "position": [
        -208,
        80
      ],
      "parameters": {
        "formId": "FW7LOAGB"
      },
      "credentials": {
        "typeformApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1.1
    }
  ],
  "active": true,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "c1040a07-9577-4116-bd4e-05990a5a0f7a",
  "connections": {
    "Wait 2min": {
      "main": [
        [
          {
            "node": "Set fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set fields": {
      "main": [
        [
          {
            "node": "Start outbound Vapi call",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Typeform Trigger": {
      "main": [
        [
          {
            "node": "Wait 2min",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• typeformApi

About this workflow

This n8n automation connects your Typeform forms with Vapi AI, allowing you to immediately call new form respondents with a personalized message from a Vapi AI assistant, as soon as a form submission is received. A Typeform account Typeform personal access token and credentials…

Source: https://n8n.io/workflows/6573/ — original creator credit. Request a take-down →

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