# AI Baseline API

## Docs

- [List S&P 500 metadata filters](https://docs.ai-baseline.com/api-reference/metadata/list-s&p-500-metadata-filters.md): Returns S&P 500 metadata-filter fields, supported operators, limits, bounds, and optional categorical values.
- [API Reference](https://docs.ai-baseline.com/api-reference/overview.md): Generated endpoint reference for the AI Baseline API.
- [Run an S&P 500 filing query](https://docs.ai-baseline.com/api-reference/queries/run-an-s&p-500-filing-query.md): Queries S&P 500 SEC filing evidence. With stream=false, the endpoint returns a single JSON response. With stream=true, it returns Server-Sent Events.
- [Errors](https://docs.ai-baseline.com/guides/errors.md): Understand AI Baseline API error envelopes and common validation failures.
- [Metadata Filters](https://docs.ai-baseline.com/guides/metadata-filters.md): Discover and apply metadata filters for filing retrieval.
- [Query Modes](https://docs.ai-baseline.com/guides/query-modes.md): Choose the right query mode, effort level, and response sections.
- [Streaming](https://docs.ai-baseline.com/guides/streaming.md): Use Server-Sent Events for query progress, answer deltas, and analysis deltas.
- [AI Baseline API](https://docs.ai-baseline.com/index.md): API for querying SEC filing evidence with grounded answers, evidence, and metadata summaries.
- [Quickstart](https://docs.ai-baseline.com/quickstart.md): Send your first query to the AI Baseline API.

## OpenAPI Specs

- [openapi](https://docs.ai-baseline.com/openapi.json)