Prices & fundamentals · 10 profiles

Market data

Market prices, reference data, corporate actions, fundamentals, and developer libraries.

Alpaca

US stock market data with explicit IEX or consolidated SIP feed selection, historical REST queries, and live WebSocket streams.

Auth
Trading API users: APCA-API-KEY-ID and APCA-API-SECRET-KEY headers
Verified
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Alpha Vantage

A function-based market-data API for equities, options, forex, crypto, commodities, economic indicators, fundamentals, and technical indicators.

Auth
API key in the apikey query parameter
Verified
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EODHD

A broad financial-data API covering end-of-day prices, fundamentals, corporate actions, intraday data, news, and more.

Auth
API token in the api_token query parameter
Verified
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Financial Modeling Prep API

Comprehensive financial data: real-time quotes, 30 years of financial statements, ratios, insider transactions, and analyst estimates. Strong for fundamental analysis.

Auth
API key via apikey request header or query parameter
Verified
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Finnhub API

Real-time and historical market data for stocks, forex, and crypto. Generous free tier for US stocks; premium endpoints (e.g. historical candles) require paid plans.

Auth
API key via `token` query param or `X-Finnhub-Token` header
Verified
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KRX API

Official market data from Korea Exchange — KOSPI, KOSDAQ, ETF prices, and trading statistics.

Auth
Issued key in AUTH_KEY request header; service use requires approval
Verified
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Massive

A market-data platform for stocks, options, futures, indices, forex, crypto, economic, and alternative datasets.

Auth
Bearer API key or apiKey query parameter
Verified
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Twelve Data API

Market data for stocks, forex, crypto, ETFs, and indices via REST and WebSocket. 100+ technical indicators computed server-side. Generous free tier for prototyping.

Auth
API key via `apikey` query param or `Authorization: apikey` header
Verified
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yfinance

An open-source Python library that retrieves market data through Yahoo Finance's publicly available interfaces.

Auth
No user-managed API key for the normal package interface
Verified
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