# Vigil

> Vigil is a proxy for AI API calls. Point your SDK's base URL at https://api.vigil.wtf/{user_id}/{provider}/{path} and every call is forwarded to your provider, logged, priced and, where you switch it on, optimised with prompt caching.

## Docs

- [Quick start](https://www.vigil.wtf/docs#quick-start)
- [Base URL for each provider](https://www.vigil.wtf/docs#providers)
- [Authentication](https://www.vigil.wtf/docs#authentication)
- [Request headers](https://www.vigil.wtf/docs#request-headers)
- [Response headers](https://www.vigil.wtf/docs#response-headers)
- [Off, Shadow and On](https://www.vigil.wtf/docs#modes)
- [Finding a call by its request id](https://www.vigil.wtf/docs#request-id)
- [Errors](https://www.vigil.wtf/docs#errors)
- [Reporting a security issue](https://www.vigil.wtf/docs#security)

## Machine-readable

- [OpenAPI description](https://www.vigil.wtf/openapi.json): the proxy route and Vigil's own errors
- [Changelog](https://www.vigil.wtf/changelog)
- [Security contact](https://www.vigil.wtf/.well-known/security.txt)