ReqRes vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
ReqRes vs SampleAPIs: common questions
Which is more reliable, ReqRes or SampleAPIs?
On our scheduled checks, ReqRes leads on measured uptime — ReqRes at 100% versus SampleAPIs at 99.44% 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, ReqRes or SampleAPIs?
ReqRes has the lower median latency in our checks — ReqRes responds in 121 ms versus SampleAPIs at 347 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 ReqRes and SampleAPIs need an API key?
Neither needs a paid key — ReqRes is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ReqRes and SampleAPIs from the browser?
Only SampleAPIs is browser-friendly — it returns CORS headers over HTTPS. ReqRes needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ReqRes and SampleAPIs free for commercial use?
ReqRes has unclear commercial terms, and SampleAPIs 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.