Vector Express v2.0 vs Yes No

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms613692
P95 · ms16621165
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFreeFree — limits not published
Rate limit5 req/window · 4 remaining · resets 1783513379Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Vector Express v2.0 vs Yes No: common questions

Which is more reliable, Vector Express v2.0 or Yes No?

Both are neck-and-neck — Vector Express v2.0 and Yes No each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Vector Express v2.0 or Yes No?

Vector Express v2.0 has the lower median latency in our checks — Vector Express v2.0 responds in 613 ms versus Yes No at 692 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 Vector Express v2.0 and Yes No need an API key?

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

Can I call Vector Express v2.0 and Yes No from the browser?

Only Yes No 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 Vector Express v2.0 and Yes No free for commercial use?

Vector Express v2.0 has unclear commercial terms, and Yes No 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.