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JSONPlaceholder vs Scrapfly

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

APIJSONPlaceholderHEALTHY95ScrapflyHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms4011015
P95 · ms10964809
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit1000 req/window · 999 remaining · resets 1783509378Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JSONPlaceholder vs Scrapfly: common questions

Which is more reliable, JSONPlaceholder or Scrapfly?

On our scheduled checks, JSONPlaceholder leads on measured uptime — JSONPlaceholder at 100% versus Scrapfly at 99.02% 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, JSONPlaceholder or Scrapfly?

JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 401 ms versus Scrapfly at 1015 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 JSONPlaceholder and Scrapfly need an API key?

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

Can I call JSONPlaceholder and Scrapfly from the browser?

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

Are JSONPlaceholder and Scrapfly free for commercial use?

JSONPlaceholder has unclear commercial terms, and Scrapfly 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.