API Evangelist Public Sector Topic
type: Dataset
description: Industry-vertical index for the public-sector / government API landscape across U.S. federal, state, and local levels.
publisher: API Evangelist

api.data.gov
type: WebAPI
description: Free API management gateway operated by GSA's Technology Transformation Services, fronting 450+ APIs across roughly 25 federal agencies.

data.gov
type: Catalog
description: U.S. federal open data catalog, powered by CKAN.

Regulations.gov API
type: WebAPI
description: Federal regulatory dockets, documents, and public comments.

Federal Register API
type: WebAPI
description: Daily Federal Register published by the Office of the Federal Register and GPO.