Chinese Text Project vs MyMemory

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree (higher limits with a free API key)Free — limits not published
Rate limitFair-use; raised with an API keyRetry-After: 20637s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Chinese Text Project vs MyMemory: common questions

Which is more reliable, Chinese Text Project or MyMemory?

On our scheduled checks, MyMemory leads on measured uptime — Chinese Text Project 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 Chinese Text Project and MyMemory need an API key?

Neither needs a paid key — Chinese Text Project 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 Chinese Text Project and MyMemory from the browser?

Yes — both Chinese Text Project 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 Chinese Text Project and MyMemory free for commercial use?

Chinese Text Project 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.