API archive entry · source-reported
Stock Sentiment
Reddit & X/Twitter sentiment analysis for stocks with buzz scores
Other Finance APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
FinBridge
Official-source financials, segments, valuation, peers and prices for KR, US, JP, TW companies
API key · HTTPS reported · CORS Yes
IEX
Realtime stock data
API key · HTTPS reported · CORS Yes
Polygon.io
Real-time and historical stock market data, crypto and forex
API key · HTTPS reported · CORS Yes
Sales Tax Calculator
Computes exact sales tax amounts and breakdowns for checkout and billing
API key · HTTPS reported · CORS Yes
Aletheia
Insider trading data, earnings call analysis, financial statements, and more
API key · HTTPS reported · CORS Yes
Alpaca
Realtime and historical market data on all US equities and ETFs
API key · HTTPS reported · CORS Yes
How to compare them
Coverage
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Operating cost
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Integration risk
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Data rights
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Source reference
This page separates source-reported facts from questions that need live provider verification.