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

# API Call

> Fetch some data from an API endpoint

The **`API Call` dynamic column** will fetch data from an API endpoint.

**Output type**: `object` | `array` | `string` | `number`

<img src="https://mintlify.s3.us-west-1.amazonaws.com/athinaai/images/datasets/dynamic-columns/api-call-preview.png" alt="API Call Dynamic Column Preview" />

<Tip>
  You can use the [`ApiCall`
  evaluator](/api-reference/evals/custom-evals/api-call) to run your own
  API-based evaluations.
</Tip>

#### Inputs

* **Method**: The HTTP method to use
* **Endpoint**: The URL of the API endpoint
* **Headers**: The headers to send with the request
* **Body**: The request body to send with the request
* **Params**: The query parameters to send with the request

<Tip>
  You can inject variables into the `Body` using `{{` and `}}`. Jinja
  templating is also supported.
</Tip>