Harry Potter API vs Wallhaven

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

Uptime · 30d
Uptime · 90d100%82.4%
Uptime · 30d100%70.7%
P50 · ms202625
P95 · ms8643981
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublished45 req/window · 44 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Harry Potter API vs Wallhaven: common questions

Which is more reliable, Harry Potter API or Wallhaven?

On our scheduled checks, Harry Potter API leads on measured uptime — Harry Potter API at 100% versus Wallhaven at 82.4% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Harry Potter API or Wallhaven?

Harry Potter API has the lower median latency in our checks — Harry Potter API responds in 202 ms versus Wallhaven at 625 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 Wallhaven need an API key?

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

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

Are Harry Potter API and Wallhaven free for commercial use?

Harry Potter API has unclear commercial terms, and Wallhaven 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.