Gutendex vs PoetryDB
Same instrument, two spec sheets — measured, not claimed.
Gutendex vs PoetryDB: common questions
Which is more reliable, Gutendex or PoetryDB?
On our scheduled checks, PoetryDB leads on measured uptime — Gutendex at 8.8% 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.
Which is faster, Gutendex or PoetryDB?
PoetryDB has the lower median latency in our checks — Gutendex responds in 3229 ms versus PoetryDB at 866 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Gutendex and PoetryDB need an API key?
Neither needs a paid key — Gutendex 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 Gutendex and PoetryDB from the browser?
Yes — both Gutendex 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 Gutendex and PoetryDB free for commercial use?
Gutendex 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.