Solematica vs Website Carbon

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms26738
P95 · ms1414166
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree public /providers endpoint; other endpoints need paid creditsFree keyless byte-based /data endpoint
Rate limit100 req/window · 99 remaining · resets 900Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Solematica vs Website Carbon: common questions

Which is more reliable, Solematica or Website Carbon?

Both are neck-and-neck — Solematica and Website Carbon 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, Solematica or Website Carbon?

Website Carbon has the lower median latency in our checks — Solematica responds in 267 ms versus Website Carbon at 38 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 Solematica and Website Carbon need an API key?

Neither needs a paid key — Solematica is callable with no signup, and Website Carbon is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Solematica and Website Carbon from the browser?

Neither sends browser-friendly CORS headers reliably, so call Solematica and Website Carbon from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Solematica and Website Carbon free for commercial use?

Solematica has unclear commercial terms, and Website Carbon 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.