Aletheia API

Finance · Operational · 30d uptime 100%

Aletheia is a free, real-time financial data API, providing stock data, financials, SEC filings, fundamental analysis, insider trading, and more. Unlimited access to millions of transactions and data points, both real-time and historical.

Trust signals

Pricing

FREEMIUM

Auth

API_KEY

CORS

Yes

Rate limit

Unknown

Health

223ms

Trust score

97 (A)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Documentationaletheiaapi.com/
Base URLaletheiaapi.com/

Integration checklist

Auth is API_KEY
CORS enabled — callable directly from browsers.
Rate limit: Unknown

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