// OPEN DATA
Callook.info
United States ham radio callsigns
Callook.info is a free public Open Data API with no authentication required. It supports HTTPS.
// FACTS
- Category
- Open Data
- Authentication
- none
- HTTPS
- yes
- CORS
- unknown
- Endpoint
- callook.info
- Cost
- Free
// FREQUENTLY ASKED
What is Callook.info?
Callook.info is a free public API in the Open Data category. United States ham radio callsigns
Does Callook.info require authentication?
No — Callook.info can be used immediately without any API keys or authentication.
Is Callook.info free?
Yes. Callook.info is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does Callook.info support HTTPS?
Yes, Callook.info supports HTTPS encrypted requests.