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SEC EDGAR Data vs Signaliz

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

APISEC EDGAR DataNEW—SignalizNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. government work)Unverified
Free tierFree — public government dataFree tier — API key required
Rate limitMax 10 requests/second; descriptive User-Agent required (SEC fair-access policy)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SEC EDGAR Data vs Signaliz: common questions

Which is more reliable, SEC EDGAR Data or Signaliz?

On our scheduled checks, Signaliz leads on measured uptime — SEC EDGAR 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 SEC EDGAR Data and Signaliz need an API key?

SEC EDGAR Data needs no key, while Signaliz requires a free API key. If you want to start calling without signup, reach for SEC EDGAR Data first.

Can I call SEC EDGAR Data and Signaliz from the browser?

Yes — both SEC EDGAR Data and Signaliz 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 SEC EDGAR Data and Signaliz free for commercial use?

SEC EDGAR Data allows commercial use on its free tier, 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.