SampleAPIs vs SEO Score

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

Uptime · 30d
Uptime · 90d99.44%100%
Uptime · 30d98.3%100%
P50 · ms347500
P95 · ms17473880
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit5000 req/window · 3876 remaining · resets 1783516346Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SampleAPIs vs SEO Score: common questions

Which is more reliable, SampleAPIs or SEO Score?

On our scheduled checks, SEO Score leads on measured uptime — SampleAPIs at 99.44% 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, SampleAPIs or SEO Score?

SampleAPIs has the lower median latency in our checks — SampleAPIs responds in 347 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 SampleAPIs and SEO Score need an API key?

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

Can I call SampleAPIs and SEO Score from the browser?

Only SampleAPIs is browser-friendly — it returns CORS headers over HTTPS. SEO Score needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are SampleAPIs and SEO Score free for commercial use?

SampleAPIs 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.