> For the complete documentation index, see [llms.txt](https://docs.alpha-lenz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.alpha-lenz.com/en/api-reference/public-api/api-playground.md).

# API Playground

Interactive API documentation - Try out API requests directly

{% openapi src="/files/NVxISx66hrvshfWvzfqo" path="/api/public/v1/financial/companies" method="get" %}
[public-api-openapi.yaml](https://2139172944-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FpqVU4pQOZ49iykr0StXl%2Fuploads%2Fgit-blob-f36a6d26c4a5f0034e00e212200bc280f72677f1%2Fpublic-api-openapi.yaml?alt=media)
{% endopenapi %}

## Quick Start

1. Get your API key from [Settings > API Keys](https://alpha-lenz.com/settings/api-keys)
2. Click "Try it out" on any endpoint above
3. Enter your API key in the `X-API-Key` header
4. Modify parameters and click "Execute"

## Available Endpoints

All Public API endpoints are available for interactive testing in this playground.