jsDelivr vs ParlayAPI
Same instrument, two spec sheets — measured, not claimed.
jsDelivr vs ParlayAPI: common questions
Which is more reliable, jsDelivr or ParlayAPI?
On our scheduled checks, jsDelivr leads on measured uptime — jsDelivr at 100% versus ParlayAPI at 87.5% 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, jsDelivr or ParlayAPI?
jsDelivr has the lower median latency in our checks — jsDelivr responds in 171 ms versus ParlayAPI at 211 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 jsDelivr and ParlayAPI need an API key?
jsDelivr needs no key, while ParlayAPI requires a free API key. If you want to start calling without signup, reach for jsDelivr first.
Can I call jsDelivr and ParlayAPI from the browser?
Only jsDelivr is browser-friendly — it returns CORS headers over HTTPS. ParlayAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are jsDelivr and ParlayAPI free for commercial use?
jsDelivr has unclear commercial terms, and ParlayAPI 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.