GovInfo API
U.S. Government Publishing Office (GPO) GovInfo developer hub. The Collections API at api.govinfo.gov delivers self-describing packages of authoritative federal content — Congressional bills, Federal Register, Code of Federal Regulations, Public and Private Laws, Statutes at Large, Compilation of Presidential Documents, U.S. Courts opinions, and more. Companion services include the Search Service API (added 2023), the Related Documents Service API (added 2021), the Bulk Data repository, the Link Service, and RSS feeds. Auth via api.data.gov key.
GovInfo API is one of 21 APIs that Public Sector publishes on the APIs.io network.
Tagged areas include Federal, GPO, Bills, Federal Register, and CFR. The published artifact set on APIs.io includes API documentation and authentication docs.