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Financial Data vs Signaliz

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

APIFinancial DataNEW—SignalizNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Financial Data vs Signaliz: common questions

Which is more reliable, Financial Data or Signaliz?

On our scheduled checks, Signaliz leads on measured uptime — Financial Data at —% versus Signaliz 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 Financial Data and Signaliz need an API key?

Both ask you to authenticate — Financial Data uses an API key and Signaliz uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Financial Data and Signaliz from the browser?

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

Are Financial Data and Signaliz free for commercial use?

Financial Data has unclear commercial terms, and Signaliz 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.