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Congressional Stock Brain vs MEXC Global API

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

APICongressional Stock BrainHEALTHY93MEXC Global APIHEALTHY100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms38587
P95 · ms1767878
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Congressional Stock Brain vs MEXC Global API: common questions

Which is more reliable, Congressional Stock Brain or MEXC Global API?

Both are neck-and-neck — Congressional Stock Brain and MEXC Global API 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, Congressional Stock Brain or MEXC Global API?

MEXC Global API has the lower median latency in our checks — Congressional Stock Brain responds in 385 ms versus MEXC Global API at 87 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 Congressional Stock Brain and MEXC Global API need an API key?

Congressional Stock Brain needs no key, while MEXC Global API requires a free API key. If you want to start calling without signup, reach for Congressional Stock Brain first.

Can I call Congressional Stock Brain and MEXC Global API from the browser?

Only Congressional Stock Brain is browser-friendly — it returns CORS headers over HTTPS. MEXC Global API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Congressional Stock Brain and MEXC Global API free for commercial use?

Congressional Stock Brain has unclear commercial terms, and MEXC Global API 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.