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Independent · Est. 2026
THE PUBLIC RECORD · ORGANISED · SOS.CITY · SOS.cityThe public record of every place, organised.

Type a question, a place, a dataset or an agency. We answer from the record first, with sources. When we can't, Claude looks further.

VerifiedAPI · Own

Federal Register API

Every federal rule, proposed rule, notice and executive order

Federal Register API is published by Office of the Federal Register (NARA) / GPO for United States. It has an API (Own API); it updates daily. Reuse: check terms. Check status: verified.

UpdatesDaily
Last updatedNot stated
ReuseCheck terms
Get itOwn API

About this source

PublisherOffice of the Federal Register (NARA) / GPO
Originalhttps://www.federalregister.gov/developers/documentation/api/v1 ↗
PlaceUnited States · federal
ShelfLaws and government
Formatsnot stated on page (XML renditions; official PDF on govinfo)
Update rateDaily publication
Located bySearch by agency/keyword; can find notices naming a city
LicenceNo API key required. Site states XML rendition is not legal notice
CheckedVerified: opened and matched by a person or our reviewer

Cite this source: Office of the Federal Register (NARA) / GPO, “Federal Register API”, https://www.federalregister.gov/developers/documentation/api/v1. Listed by SOS.city at https://sos.city/source/665 (verified).

Use it in your product

# Listed endpoint
curl "https://www.federalregister.gov/api/v1/"
Endpoint as listed by the publisher.
# Through SOS.city: this source and its neighbours, with publisher, licence and check status
curl https://api.sos.city/v1/sources/665 -H "Authorization: Bearer sos_…"

Same shelf, same place