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DFlight API vs Solematica

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

APIDFlight APIDEAD0SolematicaHEALTHY96
Uptime · 30d
Uptime · 90d11.8%100%
Uptime · 30d0.0%100%
P50 · ms319267
P95 · ms6681414
Authnonenone
CORSnono
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

DFlight API vs Solematica: common questions

Which is more reliable, DFlight API or Solematica?

On our scheduled checks, Solematica leads on measured uptime — DFlight API at 11.8% versus Solematica at 100% 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, DFlight API or Solematica?

Solematica has the lower median latency in our checks — DFlight API responds in 319 ms versus Solematica at 267 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 DFlight API and Solematica need an API key?

Neither needs a paid key — DFlight 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 DFlight API and Solematica from the browser?

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

Are DFlight API and Solematica free for commercial use?

DFlight 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.