18F
APIUnofficial resource for US Federal Government API development
Overview
18F’s API resource aggregates unofficial listings of US Federal Government APIs across sectors like education, health, finance, and public safety. It provides metadata on endpoints, authentication requirements, and supported data formats (primarily JSON/XML for linked APIs). Use cases include building civic tech apps, analyzing public data, or integrating federal services into platforms. The resource simplifies access to government data for developers but does not host direct endpoints—instead linking to official federal API sources.
Example Integration (JavaScript)
fetch('http://18f.github.io/API-All-the-X/')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- Federal API directory
- Endpoint metadata & auth info
- No authentication required
- Open source resource
Frequently Asked Questions
? Is 18F's API resource free to use?
Yes, it is entirely free and publicly accessible without any cost.
? Does it require an API Key?
No, the resource itself does not require an API key to browse or access its listings of federal APIs.
? What is the response format?
The resource’s web interface uses HTML, while linked federal APIs typically return JSON or XML responses.
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People Also Ask about 18F
Tool Info
Pros
- ⊕ Comprehensive federal API coverage
- ⊕ Easy to navigate sector categories
- ⊕ Free public access
- ⊕ Supports open data integration
Cons
- ⊖ Unofficial (may lack latest updates)
- ⊖ No direct data endpoints
- ⊖ Limited support options