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

# OpenAPI spec

The Kernel API is described by an OpenAPI 3.1 spec that you can use with Postman, Insomnia, or any tool that supports OpenAPI.

<a href="/api-reference/openapi.json" download>Download openapi.json</a>

## Import into Postman

1. Download the spec above.
2. Open Postman and click **Import** (`Ctrl+O` / `Cmd+O`).
3. Drag the file in or click **Upload Files**.
4. Postman generates a **Kernel API** collection with all endpoints, example bodies, and path parameters.
5. Set your API key: click the collection, go to **Authorization**, set type to **API Key**, key to `x-api-key`, and value to your key.