CheapShark vs SuperHeroes

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

Uptime · 30d
Uptime · 90d95.1%99.02%
Uptime · 30d96.7%98.3%
P50 · ms19751145
P95 · ms48942157
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark vs SuperHeroes: common questions

Which is more reliable, CheapShark or SuperHeroes?

On our scheduled checks, SuperHeroes leads on measured uptime — CheapShark at 95.1% versus SuperHeroes at 99.02% 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, CheapShark or SuperHeroes?

SuperHeroes has the lower median latency in our checks — CheapShark responds in 1975 ms versus SuperHeroes at 1145 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 CheapShark and SuperHeroes need an API key?

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

Can I call CheapShark and SuperHeroes from the browser?

Yes — both CheapShark and SuperHeroes 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 CheapShark and SuperHeroes free for commercial use?

CheapShark has unclear commercial terms, and SuperHeroes 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.