ParlayAPI vs SEO Score
Same instrument, two spec sheets — measured, not claimed.
ParlayAPI vs SEO Score: common questions
Which is more reliable, ParlayAPI or SEO Score?
On our scheduled checks, SEO Score leads on measured uptime — ParlayAPI at 87.5% versus SEO Score at 100% 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 SEO Score?
ParlayAPI has the lower median latency in our checks — ParlayAPI responds in 211 ms versus SEO Score at 500 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 SEO Score need an API key?
Both ask you to authenticate — ParlayAPI uses an API key and SEO Score 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 SEO Score from the browser?
Neither sends browser-friendly CORS headers reliably, so call ParlayAPI and SEO Score 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 SEO Score free for commercial use?
ParlayAPI has unclear commercial terms, and SEO Score 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.