BUILD GUIDE ↗
Build a browser tool directory
Discover IO tools, group their declared capabilities and link to the owning browser interface.
Public API4 steps →
THE DEVELOPER REGISTRY
Make your first useful thing.
Practical routes through published APIs, with the boundaries and source evidence kept in view.
BUILD GUIDE ↗
Build a food product lookup
Look up a food identifier and retain its source, revision and unknown fields.
Public API4 steps →
BUILD GUIDE ↗
Build an attributed news reader
Find retained publisher headlines and link readers to the original reporting.
Public API4 steps →