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Poptin API vs restful-api.dev

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

APIPoptin APIREACHABLE100restful-api.devDYING44
Uptime · 30d
Uptime · 90d100%10.7%
Uptime · 30d100%5.2%
P50 · ms698331
P95 · ms1705422
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree — limits not published
Rate limit120 req/window · 119 remainingUnpublished
In directory since2026-10-042026-07-05
operationalpartialdownno data

Poptin API vs restful-api.dev: common questions

Which is more reliable, Poptin API or restful-api.dev?

On our scheduled checks, Poptin API leads on measured uptime — Poptin API at 100% versus restful-api.dev at 10.7% 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, Poptin API or restful-api.dev?

restful-api.dev has the lower median latency in our checks — Poptin API responds in 698 ms versus restful-api.dev at 331 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 Poptin API and restful-api.dev need an API key?

restful-api.dev needs no key, while Poptin API requires a free API key. If you want to start calling without signup, reach for restful-api.dev first.

Can I call Poptin API and restful-api.dev from the browser?

Yes — both Poptin API and restful-api.dev 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 Poptin API and restful-api.dev free for commercial use?

Poptin API has unclear commercial terms, and restful-api.dev 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.