18F
18F
Unofficial US Federal Government API development providing access to government data.
Access to diverse federal data
Check the docs depth and real endpoint shape before assuming production fit.
Start by exploring the API documentation on the website. No authentication is required to access the endpoints.
Uptime · 30-day window
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 various public data sources maintained by different federal agencies.
Developers interested in building applications that utilize government data can use these APIs to retrieve information without needing authentication, simplifying integration. The project is community-driven and focuses on open data, which helps promote transparency and innovation.
While the APIs cover a broad range of federal data, the collection is unofficial and may vary in scope and update frequency. It is useful for developers seeking to incorporate government data into their projects without dealing with complex authorization processes.
What you can build
- 1Display federal government data in applications
- 2Generate reports from US government datasets
- 3Validate information against public government records
- 4Aggregate multiple government data sources
Strengths & limitations
Strengths
- Access to diverse federal data
- No authentication required
- Community-driven API collection
Getting started
Start by exploring the API documentation on the website. No authentication is required to access the endpoints.
FAQ
Do I need an API key to use these APIs?+
No, these APIs do not require any authentication or API keys.
Is there a cost to access the data?+
Access to the APIs is free as they provide public government data.
What kind of data can I retrieve?+
You can retrieve various types of federal government data depending on the specific API.
Can I use these APIs directly from a browser?+
Yes, since no authentication is required, you can access the APIs directly from client-side applications.
Is HTTPS required to access the APIs?+
While not explicitly stated, it is recommended to use HTTPS for secure data transmission.
Technical details
- Auth type
- none
- Pricing
- free
- Protocols
- REST
- Response time
- 23 ms
- Last health check
- 6/29/2026, 6:31:35 AM