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Harry Potter API vs MediaCaption API

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

APIHarry Potter APINEW98MediaCaption APIDOCS OK100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2381062
P95 · ms8641062
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified
Free tierFree — limits not published10 credits when you sign up
Rate limitUnpublished60 req/min
In directory since2026-07-052026-07-18
operationalpartialdownno data

Harry Potter API vs MediaCaption API: common questions

Which is more reliable, Harry Potter API or MediaCaption API?

Both are neck-and-neck — Harry Potter API and MediaCaption API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Harry Potter API or MediaCaption API?

Harry Potter API has the lower median latency in our checks — Harry Potter API responds in 238 ms versus MediaCaption API at 1062 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 Harry Potter API and MediaCaption API need an API key?

Harry Potter API needs no key, while MediaCaption API 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 MediaCaption API from the browser?

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

Harry Potter API has unclear commercial terms, and MediaCaption API allows commercial use on its free tier. 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.