// MACHINE LEARNING
HOL Registry Broker
Discovery API for AI agents & MCP servers (search, verify, UAID, chat)
HOL Registry Broker is a free public Machine Learning API that requires apiKey authentication. It supports HTTPS and has CORS enabled.
// FACTS
- Category
- Machine Learning
- Authentication
- apiKey
- HTTPS
- yes
- CORS
- yes
- Endpoint
- hol.org
- Cost
- Free
// FREQUENTLY ASKED
What is HOL Registry Broker?
HOL Registry Broker is a free public API in the Machine Learning category. Discovery API for AI agents & MCP servers (search, verify, UAID, chat)
Does HOL Registry Broker require authentication?
Yes — HOL Registry Broker requires apiKey authentication to make requests.
Is HOL Registry Broker free?
Yes. HOL Registry Broker 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 HOL Registry Broker support HTTPS?
Yes, HOL Registry Broker supports HTTPS encrypted requests.