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Abstract API vs Hunter

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

APIAbstract APIHEALTHY89HunterHEALTHY96
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms700362
P95 · ms1656859
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Abstract API vs Hunter: common questions

Which is more reliable, Abstract API or Hunter?

On our scheduled checks, Hunter leads on measured uptime — Abstract API at 99.02% versus Hunter at 100% 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, Abstract API or Hunter?

Hunter has the lower median latency in our checks — Abstract API responds in 700 ms versus Hunter at 362 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 Hunter need an API key?

Both ask you to authenticate — Abstract API uses an API key and Hunter 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 Hunter from the browser?

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

Are Abstract API and Hunter free for commercial use?

Abstract API has unclear commercial terms, and Hunter 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.