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Abstract API vs Sheet2API

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

APIAbstract APIHEALTHY89Sheet2APIHEALTHY79
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%98.3%
P50 · ms7003070
P95 · ms16564902
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Abstract API vs Sheet2API: common questions

Which is more reliable, Abstract API or Sheet2API?

Both are neck-and-neck — Abstract API and Sheet2API each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Abstract API or Sheet2API?

Abstract API has the lower median latency in our checks — Abstract API responds in 700 ms versus Sheet2API at 3070 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 Abstract API and Sheet2API need an API key?

Both ask you to authenticate — Abstract API uses an API key and Sheet2API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Abstract API and Sheet2API from the browser?

Yes — both Abstract API and Sheet2API 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 Abstract API and Sheet2API free for commercial use?

Abstract API has unclear commercial terms, and Sheet2API 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.