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SampleAPIs vs Vector Express v2.0

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

APISampleAPIsNEW—Vector Express v2.0NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree
Rate limit5000 req/window · 3876 remaining · resets 17835163465 req/window · 4 remaining · resets 1783513379
In directory since2026-07-052026-07-05
operationalpartialdownno data

SampleAPIs vs Vector Express v2.0: common questions

Which is more reliable, SampleAPIs or Vector Express v2.0?

On our scheduled checks, Vector Express v2.0 leads on measured uptime — SampleAPIs at —% versus Vector Express v2.0 at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do SampleAPIs and Vector Express v2.0 need an API key?

Neither needs a paid key — SampleAPIs is callable with no signup, and Vector Express v2.0 is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call SampleAPIs and Vector Express v2.0 from the browser?

Only SampleAPIs is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are SampleAPIs and Vector Express v2.0 free for commercial use?

SampleAPIs has unclear commercial terms, and Vector Express v2.0 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.