Image to Link vs SLA Uptime Calculator

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2811373
P95 · ms9372741
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Image to Link vs SLA Uptime Calculator: common questions

Which is more reliable, Image to Link or SLA Uptime Calculator?

Both are neck-and-neck — Image to Link and SLA Uptime Calculator 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, Image to Link or SLA Uptime Calculator?

Image to Link has the lower median latency in our checks — Image to Link responds in 281 ms versus SLA Uptime Calculator at 1373 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 Image to Link and SLA Uptime Calculator need an API key?

Neither needs a paid key — Image to Link is callable with no signup, and SLA Uptime Calculator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Image to Link and SLA Uptime Calculator from the browser?

Yes — both Image to Link and SLA Uptime Calculator send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Image to Link and SLA Uptime Calculator free for commercial use?

Image to Link has unclear commercial terms, and SLA Uptime Calculator 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.