Get external API call

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.usefini.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get external API call

> Fetch one external API call step by ID.

Returns one external API call record with sensitive values masked. The wire-format object is still called [`Data Step`](/en/api-reference/actions-and-attributes#data-step-object).

## Headers

<ParamField header="Authorization" type="string" required>
  Bearer token containing your Fini workspace API key. Format: `Bearer fini_...` The key needs `read` scope.
</ParamField>

## Path parameters

<ParamField path="id" type="string" required>
  External API call step ID to fetch.
</ParamField>

## Response

Returns one [`Data Step`](/en/api-reference/actions-and-attributes#data-step-object).

<RequestExample>
  ~~~bash cURL theme={null}
  curl --request GET \
    --url 'https://api-prod.usefini.com/v2/api-function-configs/4f5ef695-d03b-4d56-8fef-7f2bd5c17ef3/public' \
    --header 'Authorization: Bearer fini_your_api_key'
  ~~~

  ~~~javascript Node.js theme={null}
  const response = await fetch('https://api-prod.usefini.com/v2/api-function-configs/4f5ef695-d03b-4d56-8fef-7f2bd5c17ef3/public', {
    method: 'GET',
    headers: {
      Authorization: 'Bearer fini_your_api_key'
    }
  });

  const data = await response.json();
  ~~~

  ~~~python Python theme={null}
  import requests

  response = requests.get(
      "https://api-prod.usefini.com/v2/api-function-configs/4f5ef695-d03b-4d56-8fef-7f2bd5c17ef3/public",
      headers={"Authorization": "Bearer fini_your_api_key"},
  )

  data = response.json()
  ~~~
</RequestExample>

<ResponseExample>
  ~~~json 200 OK theme={null}
  {
    "id": "4f5ef695-d03b-4d56-8fef-7f2bd5c17ef3",
    "name": "Lookup customer",
    "method": "GET",
    "url": "https://api.example.com/customers/{customerId}",
    "headers": {
      "Authorization": "Bearer ${apiToken}"
    },
    "saveFromResponse": {
      "plan": "customer.plan",
      "status": "customer.status"
    },
    "createdAt": "2026-07-28T08:55:32.000Z",
    "updatedAt": "2026-07-28T09:10:18.000Z"
  }
  ~~~
</ResponseExample>

## Errors

<AccordionGroup>
  <Accordion title="401 Unauthorized" icon="lock">
    The API key is missing, malformed, revoked, or invalid.
  </Accordion>

  <Accordion title="403 Forbidden" icon="shield-halved">
    The API key does not include the `read` scope required for this route.
  </Accordion>

  <Accordion title="500 Internal Server Error" icon="triangle-exclamation">
    Fini failed while loading the Data Step, for example when the ID does not exist or is not a valid ID.
  </Accordion>
</AccordionGroup>


## Related topics

- [Overview](/en/api-reference/actions-and-attributes.md)
- [Update external API call](/en/api-reference/update-data-step.md)
- [Test external API call](/en/api-reference/test-data-step.md)


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