shipapis
StarSubmit an APISubmit API

Groundhog Day API vs Solematica

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

APIGroundhog Day APINEW—SolematicaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree public /providers endpoint; other endpoints need paid credits
Rate limitUnpublished100 req/window · 99 remaining · resets 900
In directory since2026-07-052026-07-05
operationalpartialdownno data

Groundhog Day API vs Solematica: common questions

Which is more reliable, Groundhog Day API or Solematica?

On our scheduled checks, Solematica leads on measured uptime — Groundhog Day API at —% versus Solematica 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 Groundhog Day API and Solematica need an API key?

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

Can I call Groundhog Day API and Solematica from the browser?

Only Groundhog Day API is browser-friendly — it returns CORS headers over HTTPS. Solematica needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Groundhog Day API and Solematica free for commercial use?

Groundhog Day API has unclear commercial terms, and Solematica 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.