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U.S. Congress API providing bill text, voting records, committee hearings, member profiles, and legislative activity. Best for tracking legislation, analyzing voting patterns, or monitoring regulatory changes that affect specific industries. The official source for U.S. legislative data — unlike Federal Register (executive branch rules), Congress.gov covers the legislative process. 2 example endpoints available through Lava’s AI Gateway. See the Congress.gov API docs for full documentation.
Supports both managed (Lava’s API keys) and unmanaged (bring your own credentials) mode.
This is a catch-all provider — any valid URL under https://api.congress.gov/v3 is supported. Congress.gov legislative data API. Construct URL as https://api.congress.gov/v3/{endpoint}. Common endpoints: /bill, /member, /committee, /amendment, /nomination, /treaty. Supports ?limit= and ?offset= for pagination. Auth param (api_key) is added automatically. The endpoints below are curated examples.

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Endpoints

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List recent bills

GET https://api.congress.gov/v3/bill?limit=5 — Free

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List members of Congress

GET https://api.congress.gov/v3/member?limit=5 — Free

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