Capture Emails via Webhook to Google Sheets

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 →

{
  "name": "Odd Shoes \u2014 Email Capture",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "oddshoes-email",
        "responseMode": "responseNode",
        "options": {
          "allowedOrigins": "*"
        }
      },
      "id": "node-email-webhook",
      "name": "Email Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "const body = $input.first().json.body || $input.first().json;\nconst email = (body.email || '').trim().toLowerCase();\nconst source = body.source || 'chatbot';\nconst timestamp = new Date().toISOString();\n\n// Basic email validation\nconst emailRegex = /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/;\nif (!email || !emailRegex.test(email)) {\n  throw new Error('Invalid email address: ' + email);\n}\n\nreturn [{\n  json: {\n    email,\n    source,\n    timestamp,\n    valid: true\n  }\n}];"
      },
      "id": "node-validate-email",
      "name": "Validate Email",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        460,
        300
      ]
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": {
          "__rl": true,
          "value": "YOUR_GOOGLE_SHEET_ID_HERE",
          "mode": "id"
        },
        "sheetName": {
          "__rl": true,
          "value": "Leads",
          "mode": "name"
        },
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "Email": "={{ $json.email }}",
            "Source": "={{ $json.source }}",
            "Timestamp": "={{ $json.timestamp }}"
          }
        },
        "options": {}
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "id": "node-save-sheet",
      "name": "Save to Google Sheets",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4.4,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={ \"success\": true, \"message\": \"Email captured! We'll be in touch soon. God bless!\" }",
        "options": {
          "responseHeaders": {
            "entries": [
              {
                "name": "Access-Control-Allow-Origin",
                "value": "*"
              },
              {
                "name": "Content-Type",
                "value": "application/json"
              }
            ]
          }
        }
      },
      "id": "node-email-respond-ok",
      "name": "Respond Success",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        900,
        300
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={ \"success\": false, \"message\": \"Invalid email address.\" }",
        "options": {
          "responseCode": 400,
          "responseHeaders": {
            "entries": [
              {
                "name": "Access-Control-Allow-Origin",
                "value": "*"
              }
            ]
          }
        }
      },
      "id": "node-email-respond-err",
      "name": "Respond Error",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        680,
        500
      ]
    }
  ],
  "connections": {
    "Email Webhook": {
      "main": [
        [
          {
            "node": "Validate Email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Email": {
      "main": [
        [
          {
            "node": "Save to Google Sheets",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save to Google Sheets": {
      "main": [
        [
          {
            "node": "Respond Success",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true
  },
  "meta": {
    "templateCredsSetupCompleted": false
  },
  "tags": [
    {
      "name": "oddshoes"
    },
    {
      "name": "email-capture"
    },
    {
      "name": "leads"
    }
  ],
  "notes": "## Odd Shoes Email Capture\n\nCaptures emails from the chatbot and saves them to Google Sheets.\n\n### Setup\n1. Connect your Google Sheets credential\n2. Replace YOUR_GOOGLE_SHEET_ID_HERE with your actual sheet ID (from the URL)\n3. Make sure the sheet has a tab named 'Leads' with columns: Email, Source, Timestamp\n4. Activate the workflow\n5. Copy the webhook URL: [your-n8n-url]/webhook/oddshoes-email\n6. Paste it in the React app's .env as VITE_N8N_EMAIL_WEBHOOK\n\n### Optional Extensions\n- Add a Send Email node after Google Sheets to auto-notify the team\n- Add an Airtable node instead of / in addition to Google Sheets\n- Add a Slack notification node to alert the team in real-time"
}

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.

• googleSheetsOAuth2Api

About this workflow

Odd Shoes — Email Capture. Uses googleSheets. Webhook trigger; 5 nodes.

Source: https://github.com/shadrack-ss/vibecoding/blob/d34e1ce50c128b46b8fcf546e2cfd6c5551f3dd4/n8n/email-capture.json — original creator credit. Request a take-down →

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