Library of Congress

Library of Congress Bill API

Returns bill data from the API

GitHub OpenAPI
Business capability
Legislative Process Coordination BC-3210.50

Operations 16

GET /bill Returns a list of bills sorted by date of latest action #
GET /bill/{congress} Returns a list of bills filtered by the specified congress, sorted by date of… #
GET /bill/{congress}/{billType} Returns a list of bills filtered by the specified congress and bill type… #
GET /bill/{congress}/{billType}/{billNumber} Returns detailed information for a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/actions Returns the list of actions on a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/amendments Returns the list of amendments to a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/committees Returns the list of committees associated with a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/cosponsors Returns the list of cosponsors on a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/relatedbills Returns the list of related bills to a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/subjects Returns the list of legislative subjects on a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/summaries Returns the list of summaries for a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/text Returns the list of text versions for a specified bill #
GET /bill/{congress}/{billType}/{billNumber}/titles Returns the list of titles for a specified bill #
GET /law/{congress} Returns a list of laws filtered by the specified congress #
GET /law/{congress}/{lawType} Returns a list of laws filtered by specified congress and law type (public or… #
GET /law/{congress}/{lawType}/{lawNumber} Returns a law filtered by specified congress, law type (public or private), and… #

Documentation

📖
Documentation
https://www.loc.gov/apis/json-and-yaml/
📖
Documentation
https://api.congress.gov/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/loc/refs/heads/main/openapi/loc-bill-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/LibraryOfCongress/api.congress.gov

Other Resources

🔗
Signup
https://api.congress.gov/sign-up/

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OpenAPI Specification

loc-bill-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  description: Congress.gov shares its application programming interface (API) with the public to ingest the Congressional data. Sign up for an API key from api.data.gov that you can use to access web services provided by Congress.gov. To learn more, view our GitHub repository.
  title: Congress.gov Bill API
  version: '3'
servers:
- url: /v3
security:
- ApiKeyAuth: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/loc/refs/heads/main/openapi/loc-bill-api-openapi.yml