JSONPlaceholder vs Packagist
Same instrument, two spec sheets — measured, not claimed.
JSONPlaceholder vs Packagist: common questions
Which is more reliable, JSONPlaceholder or Packagist?
Both are neck-and-neck — JSONPlaceholder and Packagist 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 Packagist?
Packagist has the lower median latency in our checks — JSONPlaceholder responds in 401 ms versus Packagist at 61 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 Packagist need an API key?
Neither needs a paid key — JSONPlaceholder is callable with no signup, and Packagist is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call JSONPlaceholder and Packagist from the browser?
Only JSONPlaceholder is browser-friendly — it returns CORS headers over HTTPS. Packagist needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are JSONPlaceholder and Packagist free for commercial use?
JSONPlaceholder has unclear commercial terms, and Packagist 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.