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arcsecond.io vs Phonepe API

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

APIarcsecond.ioHEALTHY92Phonepe APIHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms587487
P95 · ms15781085
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

arcsecond.io vs Phonepe API: common questions

Which is more reliable, arcsecond.io or Phonepe API?

Both are neck-and-neck — arcsecond.io and Phonepe API each measure 100% 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, arcsecond.io or Phonepe API?

Phonepe API has the lower median latency in our checks — arcsecond.io responds in 587 ms versus Phonepe API at 487 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 arcsecond.io and Phonepe API need an API key?

arcsecond.io needs no key, while Phonepe API requires a free API key. If you want to start calling without signup, reach for arcsecond.io first.

Can I call arcsecond.io and Phonepe API from the browser?

Yes — both arcsecond.io and Phonepe API 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 arcsecond.io and Phonepe API free for commercial use?

arcsecond.io has unclear commercial terms, and Phonepe API 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.