PASAR API

🇺🇸 Congress.gov ~ bills, members, votes & laws

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Official legislative data; sign up for a free data.gov API key.

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# Congress.gov ~ bills, members, votes & laws needs an API key ~ get yours at:
# https://api.congress.gov/
curl 'https://api.congress.gov/v3/' \
  -H 'Authorization: Bearer YOUR_TOKEN'

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I'm integrating a United States API into my app.

API: Congress.gov ~ bills, members, votes & laws
Provider: Library of Congress
Auth: requires an API key (sign up: https://api.congress.gov/)
Pricing: free
Base URL: https://api.congress.gov/v3/
Important note: Official legislative data; sign up for a free data.gov API key.

Source: Library of Congress (https://api.congress.gov/)
Source type: Official open-data catalogue
Endpoint type: Open-data catalogue JSON
Integration difficulty: Needs API key
Last checked: 2026-07-05
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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