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Openwhyd vs TVMaze

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

APIOpenwhydNEW—TVMazeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearno
Data licenseUnverifiedCC BY-SA (attribution required, per docs)
Free tierFree — no key requiredFree for personal/non-commercial use, no key
Rate limitUnpublishedAt least 20 calls per 10 seconds per IP (per docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Openwhyd vs TVMaze: common questions

Which is more reliable, Openwhyd or TVMaze?

On our scheduled checks, TVMaze leads on measured uptime — Openwhyd at —% versus TVMaze 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 Openwhyd and TVMaze need an API key?

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

Can I call Openwhyd and TVMaze from the browser?

Only TVMaze is browser-friendly — it returns CORS headers over HTTPS. Openwhyd needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Openwhyd and TVMaze free for commercial use?

Openwhyd has unclear commercial terms, and TVMaze is personal/non-commercial only. 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.