JSONPlaceholder vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
JSONPlaceholder vs SampleAPIs: common questions
Which is more reliable, JSONPlaceholder or SampleAPIs?
On our scheduled checks, JSONPlaceholder leads on measured uptime — JSONPlaceholder 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, JSONPlaceholder or SampleAPIs?
JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 127 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 JSONPlaceholder and SampleAPIs need an API key?
Neither needs a paid key — JSONPlaceholder 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 JSONPlaceholder and SampleAPIs from the browser?
Yes — both JSONPlaceholder and SampleAPIs 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 JSONPlaceholder and SampleAPIs free for commercial use?
JSONPlaceholder 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.