Create Custom API Endpoint

The workflow JSON

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{
  "nodes": [
    {
      "id": "f80aceed-b676-42aa-bf25-f7a44408b1bc",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        375,
        115
      ],
      "parameters": {
        "path": "6f7b288e-1efe-4504-a6fd-660931327269",
        "options": {},
        "responseMode": "responseNode"
      },
      "typeVersion": 1
    },
    {
      "id": "3b9ec913-0bbe-4906-bf8e-da352b556655",
      "name": "Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        355,
        -25
      ],
      "parameters": {
        "width": 600,
        "height": 280,
        "content": "## Create a simple API endpoint\n\nIn this workflow we show how to create a simple API endpoint with `Webhook` and `Respond to Webhook` nodes\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "9c36dae5-0700-450c-9739-e9f3eff31bfe",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        815,
        115
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
        "responseBody": "=The URL of the Google search query for the term \"{{$node[\"Webhook\"].json[\"query\"][\"first_name\"]}} {{$node[\"Webhook\"].json[\"query\"][\"last_name\"]}}\" is: {{$json[\"product\"]}}"
      },
      "typeVersion": 1
    },
    {
      "id": "5a228fcb-78b9-4a28-95d2-d7c9fdf1d4ea",
      "name": "Create URL string",
      "type": "n8n-nodes-base.set",
      "position": [
        595,
        115
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "product",
              "value": "=https://www.google.com/search?q={{$json[\"query\"][\"first_name\"]}}+{{$json[\"query\"][\"last_name\"]}}"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "id": "e7971820-45a8-4dc8-ba4c-b3220d65307a",
      "name": "Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        355,
        275
      ],
      "parameters": {
        "width": 600,
        "height": 220,
        "content": "### How to use it\n1. Execute the workflow so that the webhook starts listening\n2. Make a test request by pasting, **in a new browser tab**, the test URL from the `Webhook` node and appending the following test at the end `?first_name=bob&last_name=dylan`\n\nYou will receive the following output in the new tab `The URL of the Google search query for the term \"bob dylan\" is: https://www.google.com/search?q=bob+dylan`\n\n"
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Create URL string",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create URL string": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Creating An Api Endpoint. Uses stickyNote, respondToWebhook. Webhook trigger; 5 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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