# Astorias AI Docs

> Create an API key, call Astorias AI with the OpenAI SDK, and use tools, structured outputs, and reasoning. Plus models, pricing, errors, and billing.

API base URL: https://api.astorias.ai/v1
Authentication: Bearer token, `Authorization: Bearer ast_<key>`
Product: https://astorias.ai

## Docs

- [Home](https://docs.astorias.ai/docs): Start here
- [Quickstart](https://docs.astorias.ai/docs/quickstart): Sign in, create a key, send a request
- [Authentication](https://docs.astorias.ai/docs/authentication): API keys and Bearer auth
- [Models](https://docs.astorias.ai/docs/models): Catalog ids, capabilities, and prices
- [Chat completions](https://docs.astorias.ai/docs/chat-completions): POST /v1/chat/completions — every parameter, grouped
- [Function calling](https://docs.astorias.ai/docs/function-calling): Tools and tool_choice
- [Structured outputs](https://docs.astorias.ai/docs/structured-outputs): json_object and json_schema
- [Reasoning](https://docs.astorias.ai/docs/reasoning): reasoning_effort values — none to max, per model
- [Playground](https://docs.astorias.ai/docs/playground): Try a model in the dashboard
- [Organizations](https://docs.astorias.ai/docs/organizations): Members, roles, and SSO
- [Usage and billing](https://docs.astorias.ai/docs/usage-and-billing): Per-token prices, top-up, and rate limits
- [Errors](https://docs.astorias.ai/docs/errors): Status codes, type, and code
- [Support](https://docs.astorias.ai/docs/support): Tickets and what to send
- [OpenCode](https://docs.astorias.ai/docs/opencode): Custom provider on https://api.astorias.ai/v1
- [Cursor](https://docs.astorias.ai/docs/cursor): Override OpenAI Base URL and an ast_ key

## Optional

- [Full text for agents](https://docs.astorias.ai/llms-full.txt)
- [Product brief](https://astorias.ai/llms.txt)