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SEC EDGAR Data vs Frankfurter

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

APISEC EDGAR DataNEW—FrankfurterHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licensePublic domain (U.S. government work)Public data (ECB reference rates)
Free tierFree — public government dataUnlimited — abuse-rate-limited only
Rate limitMax 10 requests/second; descriptive User-Agent required (SEC fair-access policy)Unpublished, generous
In directory since2026-07-052026-05-02
operationalpartialdownno data

SEC EDGAR Data vs Frankfurter: common questions

Which is more reliable, SEC EDGAR Data or Frankfurter?

On our scheduled checks, Frankfurter leads on measured uptime — SEC EDGAR Data at —% versus Frankfurter 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 Frankfurter need an API key?

Neither needs a paid key — SEC EDGAR Data is callable with no signup, and Frankfurter is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

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

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