Packagist vs scrapestack

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Packagist vs scrapestack: common questions

Which is more reliable, Packagist or scrapestack?

On our scheduled checks, scrapestack leads on measured uptime — Packagist at —% versus scrapestack at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Packagist and scrapestack need an API key?

Packagist needs no key, while scrapestack requires a free API key. If you want to start calling without signup, reach for Packagist first.

Can I call Packagist and scrapestack from the browser?

Neither sends browser-friendly CORS headers reliably, so call Packagist and scrapestack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Packagist and scrapestack free for commercial use?

Packagist has unclear commercial terms, and scrapestack 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.