JSONPlaceholder vs Notion
Same instrument, two spec sheets — measured, not claimed.
JSONPlaceholder vs Notion: common questions
Which is more reliable, JSONPlaceholder or Notion?
Both are neck-and-neck — JSONPlaceholder and Notion 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 Notion?
JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 401 ms versus Notion at 524 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 Notion need an API key?
JSONPlaceholder needs no key, while Notion requires OAuth. If you want to start calling without signup, reach for JSONPlaceholder first.
Can I call JSONPlaceholder and Notion from the browser?
Yes — both JSONPlaceholder and Notion 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 Notion free for commercial use?
JSONPlaceholder has unclear commercial terms, and Notion 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.