Datamuse
Word-finding query engine for synonyms, rhymes, related words, spelling suggestions and autocomplete.
Datamuse is listed in Open Data.
Key metrics
100k req/day Rate limit Free and keyless; up to 100,000 requests/day without contact (fair use above that).
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.
words language thesaurus nlp autocomplete