# proofread.law

> Case citations in a legal draft checked against an open register of 10 million court opinions; every flag with its evidence; nothing stored.

- [Onboarding for agents](https://proofread.law/agent/onboarding.md): sign up, get a key, check a draft, get a billing link, in three requests
- [API contract](https://proofread.law/api): POST /verify, /render, the register API /v1/resolve, /v1/extract, /v1/case, /v1/coverage
- [OpenAPI](https://proofread.law/openapi.json)
- [Coverage](https://proofread.law/coverage): what the register holds, what it does not, and its blind spots
- [Measurements](https://proofread.law/measurements): error rates per check (catch and false flags), with sample sizes, dates, engine versions and caveats
- [Sample report](https://proofread.law/sample): the default-mode report on a paragraph with planted errors, and its PDF record
- [How to check that a case citation is real](https://proofread.law/guides/is-this-case-real): the steps by hand with free tools
- [Free citation checkers compared](https://proofread.law/compare/free-citation-checkers): what each free tool checks, from its own pages
- [Opposing counsel's brief](https://proofread.law/opposing-counsel): checking every citation in the other side's filing
- [Replays of sanctioned filings](https://proofread.law/replays): ten court decisions that sanctioned filings over their citations; each citation the court listed, what the register holds at that cite, and the default check's row today
- [Pricing](https://proofread.law/pricing): free, pay as you go, solo, firm, enterprise
- [Privacy](https://proofread.law/privacy)
- [MCP server](https://github.com/Data-Alchemy-Labs/proofread-mcp): npx -y proofread-mcp