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CheapShark API vs Umeå Open Data

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

APICheapShark APIHEALTHY88Umeå Open DataHEALTHY55
Uptime · 30d
Uptime · 90d99.02%89.2%
Uptime · 30d98.3%81.0%
P50 · ms8041445
P95 · ms24834863
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedVaries by dataset (municipal open data; see portal)
Free tierFree — limits not publishedFree — open data portal, no key
Rate limitUnpublished1000 req/window · 999 remaining · resets 2026-07-09 00:00:00+00:00
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark API vs Umeå Open Data: common questions

Which is more reliable, CheapShark API or Umeå Open Data?

On our scheduled checks, CheapShark API leads on measured uptime — CheapShark API at 99.02% versus Umeå Open Data at 89.2% 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 API or Umeå Open Data?

CheapShark API has the lower median latency in our checks — CheapShark API responds in 804 ms versus Umeå Open Data at 1445 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 API and Umeå Open Data need an API key?

Neither needs a paid key — CheapShark API is callable with no signup, and Umeå Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call CheapShark API and Umeå Open Data from the browser?

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

Are CheapShark API and Umeå Open Data free for commercial use?

CheapShark API has unclear commercial terms, and Umeå Open Data 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.