JSONPlaceholder vs Yes No
Same instrument, two spec sheets — measured, not claimed.
JSONPlaceholder vs Yes No: common questions
Which is more reliable, JSONPlaceholder or Yes No?
Both are neck-and-neck — JSONPlaceholder and Yes No 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, JSONPlaceholder or Yes No?
JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 401 ms versus Yes No at 692 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 Yes No need an API key?
Neither needs a paid key — JSONPlaceholder is callable with no signup, and Yes No is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call JSONPlaceholder and Yes No from the browser?
Yes — both JSONPlaceholder and Yes No 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 Yes No free for commercial use?
JSONPlaceholder has unclear commercial terms, and Yes No 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.