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MyMemory vs PoetryDB

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

APIMyMemoryDEAD0PoetryDBHEALTHY78
Uptime · 30d
Uptime · 90d0.0%86.3%
Uptime · 30d0.0%83.3%
P50 · ms—866
P95 · ms—3574
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (public-domain poetry; project is MIT-licensed)
Free tierFree — limits not publishedFree — limits not published
Rate limitRetry-After: 20637sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MyMemory vs PoetryDB: common questions

Which is more reliable, MyMemory or PoetryDB?

On our scheduled checks, PoetryDB leads on measured uptime — MyMemory at 0.0% versus PoetryDB at 86.3% 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 MyMemory and PoetryDB need an API key?

Neither needs a paid key — MyMemory is callable with no signup, and PoetryDB is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call MyMemory and PoetryDB from the browser?

Yes — both MyMemory and PoetryDB 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 MyMemory and PoetryDB free for commercial use?

MyMemory has unclear commercial terms, and PoetryDB 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.