Packagist vs Scrapfly
Same instrument, two spec sheets — measured, not claimed.
Packagist vs Scrapfly: common questions
Which is more reliable, Packagist or Scrapfly?
On our scheduled checks, Packagist leads on measured uptime — Packagist at 100% versus Scrapfly at 99.02% 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, Packagist or Scrapfly?
Packagist has the lower median latency in our checks — Packagist responds in 61 ms versus Scrapfly at 1015 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 Packagist and Scrapfly need an API key?
Packagist needs no key, while Scrapfly requires a free API key. If you want to start calling without signup, reach for Packagist first.
Can I call Packagist and Scrapfly from the browser?
Neither sends browser-friendly CORS headers reliably, so call Packagist and Scrapfly 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 Scrapfly free for commercial use?
Packagist has unclear commercial terms, and Scrapfly 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.