SuperHeroes vs Zelda
Same instrument, two spec sheets — measured, not claimed.
SuperHeroes vs Zelda: common questions
Which is more reliable, SuperHeroes or Zelda?
On our scheduled checks, Zelda leads on measured uptime — SuperHeroes at 99.02% versus Zelda 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, SuperHeroes or Zelda?
Zelda has the lower median latency in our checks — SuperHeroes responds in 1145 ms versus Zelda at 903 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 SuperHeroes and Zelda need an API key?
Zelda needs no key, while SuperHeroes requires a free API key. If you want to start calling without signup, reach for Zelda first.
Can I call SuperHeroes and Zelda from the browser?
Yes — both SuperHeroes and Zelda 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 SuperHeroes and Zelda free for commercial use?
SuperHeroes has unclear commercial terms, and Zelda 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.