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Harry Potter API vs Watchmode

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

APIHarry Potter APINEW—WatchmodeREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedWatchmode terms
Free tierFree — limits not publishedFree — 1,000 req/month
Rate limitUnpublished1,000 req/month (free tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Harry Potter API vs Watchmode: common questions

Which is more reliable, Harry Potter API or Watchmode?

On our scheduled checks, Watchmode leads on measured uptime — Harry Potter API at —% versus Watchmode 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 Watchmode need an API key?

Harry Potter API needs no key, while Watchmode requires a free API key. If you want to start calling without signup, reach for Harry Potter API first.

Can I call Harry Potter API and Watchmode from the browser?

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

Harry Potter API has unclear commercial terms, and Watchmode 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.