Numbers API
Returns interesting trivia, math, date and year facts about any number as plain text or JSON.
Numbers API is listed in Open Data.
Key metrics
No published cap Rate limit Free, keyless, HTTP-only trivia API; no published rate limit (fair use).
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No auth
No auth
Callable with no API key or login — lowest-friction to integrate.
trivia numbers facts fun math