Merriam-Webster API
Dictionaries · Operational · 30d uptime 100%
A comprehensive resource of dictionary and thesaurus data powered by Merriam-Webster's trusted references. Affordable, comprehensive, and easy to use. Free for non-commercial use.
Trust signals
Pricing
FREE
Auth
API_KEY
CORS
No
Rate limit
1000 requests/day (free)
Health
317ms
Trust score
87 (B)
Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagedictionaryapi.com
- Documentationdictionaryapi.com
- Base URLdictionaryapi.com/
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: 1000 requests/day (free)