Open Government, USA

API

Free API for US Federal, State & Local Government Open Data

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Overview

The Open Government USA API (via data.gov) provides RESTful access to thousands of public datasets from U.S. federal, state, and local government agencies. Endpoints include dataset search, metadata retrieval, and resource access. Responses are primarily JSON for API interactions, with datasets available in CSV, XML, JSON, or Excel. Use cases include civic app development, research on public policy, journalistic investigations into government programs, and citizen access to transparency data like budget stats, environmental records, or health metrics.

Example Integration (JavaScript)

script.js JS

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

Key Features

  • RESTful
  • JSON Support
  • No Auth Required
  • Multi-Level Gov Data Access
  • Multiple Dataset Formats

Frequently Asked Questions

? Is Open Government, USA free to use?

Yes, the API offers full free access to all public datasets on data.gov without subscription fees.

? Does it require an API Key?

No, basic API access (search, metadata retrieval) does not need an API key; some advanced features may have exceptions.

? What is the response format?

API interactions return JSON, while datasets are available in formats like CSV, XML, JSON, or Excel depending on the source.

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Tool Info

Pricing Free
Category Government
Platform Public API

Pros

  • Free & Open Access
  • Vast Collection of Public Datasets
  • Regularly Updated Metadata

Cons

  • Rate Limits for High-Volume Requests
  • Inconsistent Data Quality Across Sources
  • Some Datasets Lack Detailed Documentation

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