Track Regulatory Change

Primary legal and screening sources for watching rules, filings, and sanctions lists as they change.

Curated by Trilemma Data · Reviewed 2026-08-20

Browse Matching Catalog Filters

Federal Register Documents API
BeginnerSmall
Daily rules, proposed rules, notices, and presidential documents for building focused regulatory-change and agency-publication monitors.

First Project: Monitor One Agency's New Publications

GovernmentJSONNo Key
Regulations.gov Dockets
IntermediateSmall
Federal rulemaking dockets, documents, and public comments for building comment-period monitors and agency docket trackers.

First Project: Track Recent EPA Proposed Rules

GovernmentJSONKey
Congress.gov Legislation API
BeginnerSmall
Official bills, amendments, actions, committees, members, summaries, and legislative relationships for building policy tracking tools.

First Project: Monitor Recently Updated Legislation

GovernmentJSONKey
OFAC Specially Designated Nationals List
BeginnerTiny
Treasury blocked-party names for building bounded sanctions-screening alerts that stay inside OFAC matching limits.

First Project: Build an Exact-Name SDN Lookup

GovernmentCSV +1No Key
UN Security Council Consolidated List
BeginnerTiny
UN Security Council sanctions designations for building bounded screening alerts that stay inside list-matching limits.

First Project: Build an Exact-Name UN List Lookup

GovernmentXML +1No Key
Open States Legislation
BeginnerSmall
State bill, legislator, and jurisdiction records for building state-level policy trackers that stay inside Open States use limits.

First Project: Watch Recently Updated Bills in One State

GovernmentJSONKey
legislation.gov.uk
BeginnerMedium
Consolidated UK legislation in machine-readable form for building statute lookup, citation, and change-monitoring tools.

First Project: Extract Section Titles from One UK Act

GovernmentXML +2No Key
Senate LDA Lobbying Disclosures
IntermediateMedium
Federal lobbying registrations and activity reports for building client and issue disclosure monitors from Senate LDA filings.

First Project: Scan Recent LDA Filings

GovernmentJSON +1No Key
EUR-Lex Cellar Legislation
IntermediateTiny
Official EU legal acts and metadata from the Publications Office Cellar for building regulation lookup and EU-law change-monitoring tools.

First Project: Resolve One EU Regulation by CELEX Identifier

GovernmentJSON +2No Key