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CongressInvests vs SEC EDGAR Data

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

APICongressInvestsHEALTHY92SEC EDGAR DataHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms615119
P95 · ms1338755
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. government work)
Free tierFree tier — key may be requiredFree — public government data
Rate limitUnpublishedMax 10 requests/second; descriptive User-Agent required (SEC fair-access policy)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CongressInvests vs SEC EDGAR Data: common questions

Which is more reliable, CongressInvests or SEC EDGAR Data?

Both are neck-and-neck — CongressInvests and SEC EDGAR Data each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, CongressInvests or SEC EDGAR Data?

SEC EDGAR Data has the lower median latency in our checks — CongressInvests responds in 615 ms versus SEC EDGAR Data at 119 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 CongressInvests and SEC EDGAR Data need an API key?

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

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

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

CongressInvests has unclear commercial terms, and SEC EDGAR Data 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.