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New: DOJ Justice Manual, USCIS Policy Manual, USPTO MPEP/TMEP, and DFARS PGI are now in the API. See what's covered.

Working with the API

Best Practices

Get better results and build resilient integrations.

  • Scope searches with corpusType and, for states, state.
  • Prefer resolve for citations and search for topics.
  • Use divisions to enumerate; do not page search.
  • Cache stable text, and revalidate with asOf or changedSince.
  • Back off on 429 using Retry-After.
a well-scoped search
{ "query": "security deposit return deadline", "corpusType": "STATE", "state": "ca" }

Last modified on October 20, 2026

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