# Federal Register API

**Canonical:** https://apis.io/apis/public-sector/federal-register-api/  
**Provider:** Public Sector — https://apis.io/providers/public-sector/  
**Base URL:** https://www.federalregister.gov/api/v1  
**Documentation:** https://www.federalregister.gov

Federal Register API is one of 21 APIs that [Public Sector](https://apis.io/providers/public-sector/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Federal, Federal Register, Regulations, and GPO. The published artifact set on APIs.io includes API documentation and a GitHub repository.

JSON REST API for the daily Federal Register published by the Office of the Federal Register and GPO. Exposes documents (Notice, Proposed Rule, Rule, Presidential Document), agencies, public-inspection documents, suggested searches, and Topics. No API key required for read access. Used by FederalRegister.gov, regulations.gov, and downstream legal analytics tools.

## Machine-readable artifacts (4)

- **Portal** — https://www.federalregister.gov
- **Documentation** — https://www.federalregister.gov/developers/api/v1
- **GitHubOrganization** — https://github.com/usnationalarchives
- **GitHubRepository** — https://github.com/usnationalarchives/federalregister.gov

## Other Public Sector APIs (12)

- [api.data.gov](https://apis.io/apis/public-sector/apidatagov/)
- [data.gov (CKAN catalog)](https://apis.io/apis/public-sector/datagov-ckan-catalog/)
- [Regulations.gov API](https://apis.io/apis/public-sector/regulationsgov-api/)
- [GovInfo API](https://apis.io/apis/public-sector/govinfo-api/)
- [SAM.gov APIs](https://apis.io/apis/public-sector/samgov-apis/)
- [USAspending.gov API](https://apis.io/apis/public-sector/usaspendinggov-api/)
- [Treasury Fiscal Data API](https://apis.io/apis/public-sector/treasury-fiscal-data-api/)
- [Congress.gov API](https://apis.io/apis/public-sector/congressgov-api/)
- [FEC openFEC API](https://apis.io/apis/public-sector/fec-openfec-api/)
- [api.weather.gov (NOAA NWS)](https://apis.io/apis/public-sector/apiweathergov-noaa-nws/)
- [api.nasa.gov](https://apis.io/apis/public-sector/apinasagov/)
- [Census Data API](https://apis.io/apis/public-sector/census-data-api/)

## Tags

Federal, Federal Register, Regulations, GPO

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/public-sector/federal-register-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/public-sector/.