# Changelog

## 0.1.0

Initial release.

- Async client with built-in rate limiting (10 req/s)
- `ClientBuilder` for configuration (user-agent, rate limit, custom HTTP client)
- `Cik` newtype for type-safe CIK handling with zero-padded formatting
- API methods: `get_tickers`, `get_submission`, `get_document`, `get_company_concept`, `get_company_facts`, `get_frame`, `search`
- Full-text search with form, date range, and pagination filters
- Typed error handling with `is_rate_limited()` and `is_not_found()` helpers
