# Casebyte API

> REST API for searching and retrieving Hong Kong case law.

- [Casebyte API](https://docs.casebyte.ai/index.md): Search and retrieve Hong Kong case law over a single REST API.
- [Quickstart](https://docs.casebyte.ai/quickstart.md): Make your first authenticated request in under five minutes.
- [Identifiers](https://docs.casebyte.ai/guides/identifiers.md): Three ways to identify a Hong Kong case — and which one to use.
- [Search syntax](https://docs.casebyte.ai/guides/search-syntax.md): Phrases, boolean operators, field scoping, and fuzzy matching.
- [Daily summaries](https://docs.casebyte.ai/guides/daily-summaries.md): Read recent Casebyte Daily summaries for news and video integrations.
- [Errors](https://docs.casebyte.ai/guides/errors.md): Every error code the API can return, and what to do about it.
- [Rate limits](https://docs.casebyte.ai/guides/rate-limits.md): Quotas, headers, and how to back off cleanly.
- [Overview](https://docs.casebyte.ai/api-reference/introduction.md): Base URL, authentication, response shape, and conventions.
- [Search Cases](https://docs.casebyte.ai/api-reference/cases/search-cases.md): Boolean / phrase / fuzzy search across the Hong Kong case-law corpus. The `q` parameter accepts plain words, exact phrases (wrap in `"..."`), or boolean queries (use `AND` / `OR` / `NOT`). See the [search syntax guide](https://docs.casebyte.ai/guides/search-syntax) for details.
- [Get Case Judgment](https://docs.casebyte.ai/api-reference/cases/get-case-judgment.md): Look up a case by canonical `case_id` (e.g. `HKCFA_2023_5`), neutral citation (e.g. `[2023] HKCFA 5`), or action number (e.g. `FACV 5/2022` or `FACV5/2022` — the space is optional). The API tries each format in order and returns the first match. The `matched_by` field in the response tells you which…
- [Get Citing Cases](https://docs.casebyte.ai/api-reference/cases/get-citing-cases.md): Returns later judgments that cite the given case. Combines direct case-to-case citations with action-number citations (where the citing case mentioned an action number that wasn't resolved to a case ID by the citation parser). Results are deduplicated by `case_id` and sorted by `publish_date` descen…
- [List Daily summaries](https://docs.casebyte.ai/api-reference/daily/list-daily-summaries.md): Case summaries from the last 7 days. Filter by date or area of law.
- [Get a Daily summary](https://docs.casebyte.ai/api-reference/daily/get-a-daily-summary.md): Today and the preceding six HKT calendar days, inclusive; rolls at midnight Asia/Hong_Kong. Uses case publication date, not judgment or summary generation date. Weekends count. Only processed, non-empty summaries are returned. See https://docs.casebyte.ai/guides/daily-summaries. Returns 404 summary_…

## OpenAPI Specs

- [openapi](/api-reference/openapi.json)


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