Gutendex vs Wizard World
Same instrument, two spec sheets — measured, not claimed.
Gutendex vs Wizard World: common questions
Which is more reliable, Gutendex or Wizard World?
On our scheduled checks, Wizard World leads on measured uptime — Gutendex at 8.8% versus Wizard World at 100% 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 Wizard World?
Wizard World has the lower median latency in our checks — Gutendex responds in 3229 ms versus Wizard World at 623 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 Wizard World need an API key?
Neither needs a paid key — Gutendex is callable with no signup, and Wizard World is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Gutendex and Wizard World from the browser?
Yes — both Gutendex and Wizard World 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 Wizard World free for commercial use?
Gutendex has unclear commercial terms, and Wizard World 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.