DownStatus vs Yes-as-a-Service

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

Uptime · 30d
Uptime · 90d60.8%98.0%
Uptime · 30d33.3%98.3%
P50 · ms589557
P95 · ms12951380
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API key (per docs)Free — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DownStatus vs Yes-as-a-Service: common questions

Which is more reliable, DownStatus or Yes-as-a-Service?

On our scheduled checks, Yes-as-a-Service leads on measured uptime — DownStatus at 60.8% versus Yes-as-a-Service at 98.0% 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, DownStatus or Yes-as-a-Service?

Yes-as-a-Service has the lower median latency in our checks — DownStatus responds in 589 ms versus Yes-as-a-Service at 557 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 DownStatus and Yes-as-a-Service need an API key?

Neither needs a paid key — DownStatus is callable with no signup, and Yes-as-a-Service is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call DownStatus and Yes-as-a-Service from the browser?

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

Are DownStatus and Yes-as-a-Service free for commercial use?

DownStatus has unclear commercial terms, and Yes-as-a-Service 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.