Gutendex vs MyMemory
Same instrument, two spec sheets — measured, not claimed.
Gutendex vs MyMemory: common questions
Which is more reliable, Gutendex or MyMemory?
On our scheduled checks, MyMemory leads on measured uptime — Gutendex at —% versus MyMemory at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Gutendex and MyMemory need an API key?
Neither needs a paid key — Gutendex is callable with no signup, and MyMemory is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Gutendex and MyMemory from the browser?
Yes — both Gutendex and MyMemory send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Gutendex and MyMemory free for commercial use?
Gutendex has unclear commercial terms, and MyMemory has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.