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    "createdAt": "2025-09-29T07:08:01.379220",
    "updatedAt": "2025-09-29T07:08:01.379233",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Validate Seatable Webhooks with HMAC SHA256 Authentication",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
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      "name": "200",
      "type": "n8n-nodes-base.respondToWebhook",
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      "parameters": {
        "options": {
          "responseCode": 200
        },
        "respondWith": "noData"
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      "notes": "This respondToWebhook node performs automated tasks as part of the workflow."
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      "type": "n8n-nodes-base.crypto",
      "position": [
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      "parameters": {
        "type": "SHA256",
        "action": "hmac",
        "binaryData": true,
        "dataPropertyName": "seatable-signature"
      },
      "typeVersion": 1,
      "notes": "This crypto node performs automated tasks as part of the workflow."
    },
    {
      "id": "5e74ba50-e0fe-41e0-9b84-7078f1d150a3",
      "name": "Seatable Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
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      ],
      "webhookId": "8c9d8c0f-d5ea-469d-afc9-d4e8a352f1a4",
      "parameters": {
        "path": "s0m3-d4nd0m-1d",
        "options": {
          "rawBody": true
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        "httpMethod": "POST",
        "responseMode": "responseNode"
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      "typeVersion": 1,
      "notes": "This webhook node performs automated tasks as part of the workflow."
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      "name": "Add nodes for processing",
      "type": "n8n-nodes-base.noOp",
      "position": [
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      "parameters": {},
      "typeVersion": 1,
      "notes": "This noOp node performs automated tasks as part of the workflow."
    },
    {
      "id": "a508534f-abb4-4455-b47a-1aaf56ce1124",
      "name": "hash matches",
      "type": "n8n-nodes-base.if",
      "position": [
        200,
        -20
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{ String($json['seatable-signature']) }}",
              "value2": "={{ String($json.headers['x-seatable-signature'].replace(\"sha256=\", \"\")) }}"
            }
          ]
        }
      },
      "typeVersion": 1,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "1495d5c1-3467-4639-a32d-51a6497aed51",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "width": 720,
        "height": 580,
        "content": "## 📌 Validate Seatable Webhooks with HMAC SHA256 Authentication\n\nThis mini workflow is designed to **securely validate incoming Seatable webhooks** using HMAC SHA256 signature verification.\n\n### 🔐 What it does:\n- Listens for incoming Seatable webhook requests.\n- Calculates a SHA256 HMAC hash of the raw request body using your shared secret.\n- Compares the computed hash with the `x-seatable-signature` header (after removing the `sha256=` prefix).\n- If the hashes match: responds with **200 OK** and forwards the request to subsequent nodes.\n- If the hashes don’t match: responds with **403 Forbidden**.\n\n### ⚠️ Important Notes:\nThis workflow is provided as a **template** and is not intended to work standalone. **Please duplicate it** and integrate it with your custom logic at the \"Add nodes for processing\" node.\n\nConfiguration steps:\n- Set your **secret key** in the “Calculate sha256” crypto node (replace the placeholder).\n- Adjust the webhook path to suit your environment (or set it to \"manual\" for testing).\n- Connect your actual logic after the verification step.\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    }
  ],
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  "pinData": {},
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    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
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  "description": "Automated workflow: Validate Seatable Webhooks with HMAC SHA256 Authentication. This workflow integrates 7 different services: webhook, stickyNote, respondToWebhook, stopAndError, if. It contains 13 nodes and follows best practices for error handling and security.",
  "notes": "Excellent quality workflow: Validate Seatable Webhooks with HMAC SHA256 Authentication. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}