Vapi Call Logger

The workflow JSON

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{
  "name": "VAPI Call Logger",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "vapi-call-logger",
        "responseMode": "onReceived",
        "options": {}
      },
      "id": "webhook",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        240,
        300
      ],
      "notes": "Production URL: https://[your-instance].app.n8n.cloud/webhook/vapi-call-logger \u2014 set this as the serverUrl on the VAPI assistant object (NOT as a tool). This fires asynchronously at end of call. Response mode is 'onReceived' (immediate 200) since VAPI does not wait for this response."
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "event-type-check",
              "leftValue": "={{ $json.body.message.type }}",
              "rightValue": "end-of-call-report",
              "operator": {
                "type": "string",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "filter-event-type",
      "name": "Filter: end-of-call-report",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        460,
        300
      ],
      "notes": "Only process end-of-call-report events. VAPI may send other event types to this URL (e.g. status-update). The false branch discards all other events."
    },
    {
      "parameters": {
        "jsCode": "// Extract and normalize call data from VAPI end-of-call-report\nconst body = $input.first().json.body;\nconst message = body.message || {};\nconst call = message.call || {};\nconst artifact = message.artifact || {};\nconst analysis = message.analysis || {};\n\n// Calculate duration in seconds\nlet durationSeconds = 0;\nif (call.startedAt && call.endedAt) {\n  const start = new Date(call.startedAt).getTime();\n  const end = new Date(call.endedAt).getTime();\n  durationSeconds = Math.round((end - start) / 1000);\n}\n\n// Determine call outcome\nconst endedReason = message.endedReason || call.endedReason || '';\nconst transcript = artifact.transcript || '';\n\nlet outcome = 'Answered';\nconst lowerTranscript = transcript.toLowerCase();\n\nif (lowerTranscript.includes('escalat') || lowerTranscript.includes('specialist') || lowerTranscript.includes('support team will contact')) {\n  outcome = 'Escalated';\n} else if (\n  endedReason === 'silence-timed-out' ||\n  endedReason === 'no-answer' ||\n  endedReason === 'customer-did-not-answer'\n) {\n  outcome = 'Dropped';\n} else if (\n  lowerTranscript.includes(\"i'm not able to help with that\") ||\n  lowerTranscript.includes('outside the scope') ||\n  lowerTranscript.includes('cannot confidently')\n) {\n  outcome = 'Declined';\n}\n\nreturn [{\n  json: {\n    callId: call.id || '',\n    timestamp: call.startedAt || new Date().toISOString(),\n    durationSeconds: durationSeconds,\n    transcript: transcript,\n    outcome: outcome,\n    endedReason: endedReason,\n    summary: analysis.summary || '',\n    agentVersion: 'v1.0'\n  }\n}];"
      },
      "id": "extract-call-data",
      "name": "Extract Call Data",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        680,
        220
      ]
    },
    {
      "parameters": {
        "application": "={{ $env.AIRTABLE_BASE_ID }}",
        "table": "Call Logs",
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "Call ID": "={{ $json.callId }}",
            "Timestamp": "={{ $json.timestamp }}",
            "Duration (seconds)": "={{ $json.durationSeconds }}",
            "Transcript": "={{ $json.transcript }}",
            "Outcome": "={{ $json.outcome }}",
            "Ended Reason": "={{ $json.endedReason }}",
            "Summary": "={{ $json.summary }}",
            "Agent Version": "={{ $json.agentVersion }}"
          }
        },
        "options": {}
      },
      "id": "airtable-create-log",
      "name": "Create Call Log",
      "type": "n8n-nodes-base.airtable",
      "typeVersion": 2.1,
      "position": [
        900,
        220
      ],
      "credentials": {
        "airtableTokenApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {},
      "id": "no-op",
      "name": "Ignore Other Events",
      "type": "n8n-nodes-base.noOp",
      "typeVersion": 1,
      "position": [
        680,
        420
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Filter: end-of-call-report",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filter: end-of-call-report": {
      "main": [
        [
          {
            "node": "Extract Call Data",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Ignore Other Events",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Call Data": {
      "main": [
        [
          {
            "node": "Create Call Log",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "saveExecutionProgress": true,
    "saveManualExecutions": true
  },
  "meta": {
    "description": "Async end-of-call webhook handler. Fires when VAPI sends an end-of-call-report event. Extracts call ID, duration, transcript, and outcome, then creates a row in the Airtable Call Logs table. Uses 'onReceived' response mode \u2014 VAPI does not wait for a response from this webhook.",
    "notes": "SETUP: (1) Replace Airtable credential ID. (2) Set AIRTABLE_BASE_ID env var. (3) Configure this webhook URL as the 'serverUrl' field on the VAPI assistant (not as a tool). The IF node filters to only process 'end-of-call-report' events."
  }
}

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.

• airtableTokenApi

About this workflow

VAPI Call Logger. Uses airtable. Webhook trigger; 5 nodes.

Source: https://github.com/Dannybouy/voice_agent/blob/4f9ab1c823fdc9c7ce4ce4bf8241f8a9e22f22b1/n8n-workflows/call-logger.json — original creator credit. Request a take-down →

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