CheapShark vs Deck of Cards

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

Uptime · 30d
Uptime · 90d95.1%99.02%
Uptime · 30d96.7%100%
P50 · ms1975401
P95 · ms48943645
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark vs Deck of Cards: common questions

Which is more reliable, CheapShark or Deck of Cards?

On our scheduled checks, Deck of Cards leads on measured uptime — CheapShark at 95.1% versus Deck of Cards 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 Deck of Cards?

Deck of Cards has the lower median latency in our checks — CheapShark responds in 1975 ms versus Deck of Cards at 401 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 Deck of Cards need an API key?

Neither needs a paid key — CheapShark is callable with no signup, and Deck of Cards is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call CheapShark and Deck of Cards from the browser?

Yes — both CheapShark and Deck of Cards 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 Deck of Cards free for commercial use?

CheapShark has unclear commercial terms, and Deck of Cards 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.