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CheapShark API vs Datasette

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

APICheapShark APINEW—DatasetteNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark API vs Datasette: common questions

Which is more reliable, CheapShark API or Datasette?

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

Do CheapShark API and Datasette need an API key?

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

Can I call CheapShark API and Datasette from the browser?

Only Datasette 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 Datasette free for commercial use?

CheapShark API has unclear commercial terms, and Datasette 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.