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18F

18F

DownFreeopen-data

Unofficial US Federal Government API development providing access to government data.

Visit site ↗Health checked 11h ago
Use it when

No authentication required

Watch for

Check the docs depth and real endpoint shape before assuming production fit.

First check

Start by exploring the API documentation on the website. No authentication is needed to use the API.

Auth
none
CORS
No
HTTPS
No
Signup
None
Latency
181 ms
Protocol
REST
Pricing
free

Uptime · 30-day window

Probes: 27Uptime: 0%Avg latency: 94ms
01

About this API

18F provides an unofficial collection of APIs related to the US Federal Government, aimed at making government data more accessible to developers. It serves as a centralized resource for accessing various public datasets and government information.

Developers interested in building applications that utilize federal government data can leverage these APIs without the need for authentication, simplifying integration and experimentation. The API is relevant for projects that require open government data for transparency, research, or civic technology purposes.

While the API is unofficial, it offers a valuable gateway to diverse government datasets, supporting open data initiatives and encouraging the development of tools that interact with public sector information.

02

What you can build

  • 1Display federal government data
  • 2Integrate public government datasets
  • 3Build applications using US government information
03

Strengths & limitations

Strengths

  • No authentication required
  • Access to diverse government data
  • Open and public API
04

Getting started

Start by exploring the API documentation on the website. No authentication is needed to use the API.

05

FAQ

Do I need an API key to use this API?+

No, this API does not require any authentication or API key.

Is there a cost to use the API?+

The API is publicly available and free to use.

What kind of data can I access?+

You can access various datasets related to the US federal government.

Can I use this API from a web browser?+

Yes, since there is no authentication, it can be accessed directly from browsers.

Is HTTPS required to access the API?+

While not explicitly stated, using HTTPS is recommended for security.

06

Technical details

CORS: NoHTTPS: NoSignup: NoOpen source: No
Auth type
none
Pricing
free
Protocols
REST
Response time
181 ms
Last health check
8/14/2026, 5:29:50 AM
07

Tags