Audio to Text Transcription with Google Gemini

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 →

{
  "updatedAt": "2026-04-24T06:14:05.000Z",
  "createdAt": "2026-03-27T11:03:18.338Z",
  "id": "nBChOhlTC10y8aja",
  "name": "Whisper",
  "active": false,
  "isArchived": true,
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "whisper_small",
        "responseMode": "responseNode",
        "options": {
          "binaryPropertyName": "audio"
        }
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        -240,
        192
      ],
      "id": "d63e9ffb-285a-47e8-9810-c5e2687313bf",
      "name": "Webhook"
    },
    {
      "parameters": {
        "resource": "audio",
        "modelId": {
          "__rl": true,
          "value": "models/gemini-2.5-flash",
          "mode": "list",
          "cachedResultName": "models/gemini-2.5-flash"
        },
        "inputType": "binary",
        "binaryPropertyName": "audio0",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.googleGemini",
      "typeVersion": 1,
      "position": [
        -32,
        192
      ],
      "id": "fcec16b6-d2ed-4a68-b817-e24ee141462b",
      "name": "Transcribe a recording",
      "credentials": {
        "googlePalmApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "options": {}
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.4,
      "position": [
        368,
        192
      ],
      "id": "e67aedf8-df6c-4efe-af02-31a36bee6ca8",
      "name": "Respond to Webhook1"
    },
    {
      "parameters": {
        "jsCode": "\nreturn {\n  text:$input.first().json.content.parts[0].text\n};"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        176,
        192
      ],
      "id": "d531fb07-d58d-4f3e-a299-c1d3e499a2e0",
      "name": "Code in JavaScript"
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Transcribe a recording",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Transcribe a recording": {
      "main": [
        [
          {
            "node": "Code in JavaScript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript": {
      "main": [
        [
          {
            "node": "Respond to Webhook1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "binaryMode": "separate"
  },
  "staticData": null,
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "versionId": "67ebf407-e2a7-4c43-b190-026194e721a6",
  "activeVersionId": null,
  "triggerCount": 1,
  "shared": [
    {
      "updatedAt": "2026-03-27T11:03:18.346Z",
      "createdAt": "2026-03-27T11:03:18.346Z",
      "role": "workflow:owner",
      "workflowId": "nBChOhlTC10y8aja",
      "projectId": "jYp8xiWttkK2cWvC"
    }
  ],
  "activeVersion": null,
  "tags": []
}

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.

• googlePalmApi

About this workflow

Whisper. Uses googleGemini. Webhook trigger; 4 nodes.

Source: https://github.com/PrasadRSawant/n8n.prasadsawant.com-backup/blob/049e35f3e5a61b70680a97ef54fd88f64dbe8051/workflows/Whisper.json — original creator credit. Request a take-down →

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