Currency Converter via Webhook Using Exchangerate.host

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 →

{
  "id": "vQB8xArVsMh8sroM",
  "name": "Currency Converter via Webhook using ExchangeRate.host",
  "tags": [],
  "nodes": [
    {
      "id": "6f42915a-6851-4e36-b086-29fc6c975d48",
      "name": "Note: Webhook Trigger",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        0,
        -160
      ],
      "parameters": {
        "width": 280,
        "height": 540,
        "content": "## Webhook Input\n\nThis node listens for incoming POST requests. It expects a JSON body with the following properties:\n\n* `from` (source currency's 3-letter ISO 4217 code, e.g., `USD`)\n* `to` (target currency's 3-letter ISO 4217 code, e.g., `EUR`)\n* `amount` (numeric value to convert)\n\n**Important:** The ExchangeRate.host API key is handled securely by n8n's credential system and should **not** be included in the webhook body or headers."
      },
      "typeVersion": 1
    },
    {
      "id": "52cb862c-71e1-4960-a0f2-2f6a7c620d7b",
      "name": "Note: Currency Conversion API Call",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        340,
        -160
      ],
      "parameters": {
        "color": 2,
        "width": 280,
        "height": 540,
        "content": "## Currency Conversion API Call\n\nThis node makes an HTTP GET request to the ExchangeRate.host API to perform the currency conversion. It uses the `from`, `to`, and `amount` from the webhook body to build the API request URL.\n\n**The API access key is securely retrieved from n8n's pre-configured credentials** (HTTP Query Auth type) and automatically added as a query parameter (`access_key`). This ensures your key is not exposed in the workflow or webhook requests."
      },
      "typeVersion": 1
    },
    {
      "id": "e75b2ecb-7637-4dfc-9ded-d2f8294d64ba",
      "name": "Note: Webhook Response",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        660,
        0
      ],
      "parameters": {
        "color": 3,
        "width": 320,
        "height": 380,
        "content": "## Webhook Response\n\nThis node sends the currency conversion result received from ExchangeRate.host back to the original caller of the webhook. You can insert other nodes before this to format the output, log the conversion, or perform further actions before responding."
      },
      "typeVersion": 1
    },
    {
      "id": "aa7f2f15-a806-41a2-94fc-7e3e0b34e66c",
      "name": "Convert Currency",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        420,
        220
      ],
      "parameters": {
        "url": "=https://api.exchangerate.host/convert?from={{ $json.body.from }}&to={{ $json.body.to }}&amount={{ $json.body.amount }}",
        "method": "=GET",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpQueryAuth"
      },
      "credentials": {
        "httpQueryAuth": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "7d362367-2cbc-4761-ac60-a9c0cdf96329",
      "name": "Receive Conversion Request Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        80,
        220
      ],
      "parameters": {
        "path": "convert-currency",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 2
    },
    {
      "id": "9cfde3de-fdad-4d16-bed4-08512d57dd73",
      "name": "Respond with Converted Amount",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        780,
        220
      ],
      "parameters": {
        "options": {},
        "respondWith": "allIncomingItems"
      },
      "typeVersion": 1.2
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "d7c961bc-e3f3-42a4-8238-5b0393417449",
  "connections": {
    "Convert Currency": {
      "main": [
        [
          {
            "node": "Respond with Converted Amount",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Receive Conversion Request Webhook": {
      "main": [
        [
          {
            "node": "Convert Currency",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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.

• httpQueryAuth

About this workflow

This n8n template allows you to perform real-time currency conversions by simply sending a webhook request. By integrating with the ExchangeRate.host API, you can get up-to-date exchange rates for over 170 world currencies, making it an incredibly useful tool for financial…

Source: https://n8n.io/workflows/4602/ — original creator credit. Request a take-down →

More Web Scraping workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.