Webhook Trigger Workflow

The workflow JSON

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{
  "name": "Webhook Trigger Workflow",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "user-registration",
        "responseMode": "lastNode",
        "options": {}
      },
      "id": "webhook-trigger",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "functionCode": "// Validate incoming data\nconst { email, name } = items[0].json;\n\nif (!email || !email.includes('@')) {\n  throw new Error('Invalid email address');\n}\n\nif (!name || name.length < 2) {\n  throw new Error('Name too short');\n}\n\nreturn [{\n  json: {\n    ...items[0].json,\n    validated: true,\n    timestamp: new Date().toISOString()\n  }\n}];"
      },
      "id": "validate-data",
      "name": "Validate Data",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "https://api.example.com/users",
        "options": {},
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "email",
              "value": "={{$json.email}}"
            },
            {
              "name": "name",
              "value": "={{$json.name}}"
            }
          ]
        }
      },
      "id": "create-user",
      "name": "Create User",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [
        650,
        300
      ]
    },
    {
      "parameters": {
        "functionCode": "// Format response\nreturn [{\n  json: {\n    success: true,\n    userId: items[0].json.id,\n    message: 'User created successfully'\n  }\n}];"
      },
      "id": "format-response",
      "name": "Format Response",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        850,
        300
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Validate Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Data": {
      "main": [
        [
          {
            "node": "Create User",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create User": {
      "main": [
        [
          {
            "node": "Format Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Webhook Trigger Workflow. Uses httpRequest. Webhook trigger; 4 nodes.

Source: https://github.com/pvdyck/n8n-test-framework/blob/dabf65c294eba226a14b439ef672584f48315473/examples/workflows/webhook-trigger.json — original creator credit. Request a take-down →

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