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Harry Potter API vs TVMaze

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

APIHarry Potter APINEW—TVMazeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearno
Data licenseUnverifiedCC BY-SA (attribution required, per docs)
Free tierFree — limits not publishedFree 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

Harry Potter API vs TVMaze: common questions

Which is more reliable, Harry Potter API or TVMaze?

On our scheduled checks, TVMaze leads on measured uptime — Harry Potter API 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 Harry Potter API and TVMaze need an API key?

Neither needs a paid key — Harry Potter API 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 Harry Potter API and TVMaze from the browser?

Yes — both Harry Potter API and TVMaze 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 Harry Potter API and TVMaze free for commercial use?

Harry Potter API 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.