About Matrix DB API Directory

What is Matrix DB API Directory?

Matrix DB API Directory is a free, searchable database of over 1,400 public APIs, organized across 51 categories. Our goal is to make API discovery fast and easy for developers — with search, filtering, code snippets, use cases, and side-by-side comparisons, all in one place.

Why We Built This

Finding the right API for a project often means jumping between GitHub repos, blog posts, and outdated lists. We built this to be the most organized and developer-friendly API directory available — updated regularly and completely free.

What's Inside

  • 1,400+ public APIs across 51 categories
  • AI-generated summaries and use cases for each API
  • Code snippets in JavaScript and Python
  • API combination recipes
  • Beginner tutorials
  • Terms of service comparisons
  • Similar API suggestions

Contact

Have a question, found an error, or want to suggest an API?

Email: [email protected]

We read every message and aim to respond within a few business days.

Operator Information

  • Operator: SHOYA KIHARA
  • Address: 7F, Tenjin First Building, 4-6-28 Tenjin, Chuo-ku, Fukuoka-shi, Fukuoka 810-0001, Japan
  • Website: api.matrix-db.com