USA.gov

API

Authoritative API for U.S. government programs, services, and events data

Overview

The USA.gov API offers RESTful endpoints to access verified U.S. government data, including programs, public services, events, and eligibility information. Responses are formatted in JSON for seamless integration into web/mobile apps. Use cases include building citizen-facing tools to find local government services, integrating federal event calendars into community platforms, accessing program details for research, or creating educational resources about federal initiatives. Documentation covers endpoint parameters, data schemas, and usage guidelines to support developers.

Example Integration (JavaScript)

script.js JS


fetch('https://www.usa.gov/developer')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful endpoints
JSON response format
Authoritative government data
No API key required for basic access

Frequently Asked Questions

? Is the USA.gov API free to use?

Yes, the USA.gov API is free for both personal and commercial use, subject to its terms of service.

? Does it require an API Key?

Basic access to public endpoints does not require an API key, though certain advanced features may need authentication (refer to documentation).

? What is the response format?

The API primarily returns data in JSON format, which is widely compatible with most development frameworks.

Top Alternatives

Data.gov API Compare

Tool Info

Pricing Free

Category Government

Platform Public API

Pros

⊕ Trusted source of U.S. government information
⊕ Free to use for all developers
⊕ Covers diverse topics (services, events, programs)

Cons

⊖ Potential rate limits for high-volume requests
⊖ Some data may have delayed updates
⊖ Limited advanced filtering options in basic endpoints