ParlayAPI vs serpstack
Same instrument, two spec sheets — measured, not claimed.
ParlayAPI vs serpstack: common questions
Which is more reliable, ParlayAPI or serpstack?
On our scheduled checks, serpstack leads on measured uptime — ParlayAPI at 87.5% versus serpstack at 99.44% 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, ParlayAPI or serpstack?
ParlayAPI has the lower median latency in our checks — ParlayAPI responds in 211 ms versus serpstack at 288 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 ParlayAPI and serpstack need an API key?
Both ask you to authenticate — ParlayAPI uses an API key and serpstack uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call ParlayAPI and serpstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call ParlayAPI and serpstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ParlayAPI and serpstack free for commercial use?
ParlayAPI has unclear commercial terms, and serpstack 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.