Psychonauts API vs Zelda
Same instrument, two spec sheets — measured, not claimed.
Psychonauts API vs Zelda: common questions
Which is more reliable, Psychonauts API or Zelda?
On our scheduled checks, Zelda leads on measured uptime — Psychonauts API at —% versus Zelda 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 Psychonauts API and Zelda need an API key?
Neither needs a paid key — Psychonauts API is callable with no signup, and Zelda is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Psychonauts API and Zelda from the browser?
Only Zelda is browser-friendly — it returns CORS headers over HTTPS. Psychonauts API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Psychonauts API and Zelda free for commercial use?
Psychonauts API 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.