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  1. Investment API - retrieve investment data | Plaid

    Gain insight into a user’s investment accounts, including account balances, holdings, and transactions that create a change in a holding. Retrieve investment data from a broad …

  2. 10 Best FREE Stock APIs in 2025 | Coinmonks - Medium

    Feb 6, 2024 · Stock Market APIs provide a standardized way for developers to access a wide range of financial information, including stock prices, historical data, technical indicators, …

  3. One Investment API, to build any investment experience.

    With Upvest’s Investment API, you can build investment experiences your users will love.

  4. 16 Best Financial Data APIs in 2025 - 10XSheets

    Mar 29, 2024 · In this guide, we’ll explore the best financial data APIs available, their features, use cases, and how you can leverage them to gain a competitive edge in today’s dynamic and …

  5. Top Investments APIs

    What is an investment API? An API is a digital resource that allows an application or website to interact with information on a server. APIs focused on the financial markets will give access to …

  6. Stock Market API | Massive

    Stock API with real-time and historical tick data, unlimited usage via REST or WebSockets, standardized JSON and CSV formats. Instant access free tier.

  7. Morningstar's Direct Web Services

    Our investment research and Portfolio Analysis APIs give you access to over 300,000 investments. You can configure them to search, sort, compare, and analyze investments that …

  8. Alpaca - Developer-first API for Stock, Options, Crypto Trading

    API for Stock, Options, and Crypto Trading Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.

  9. Capital Connect - Investment API Platform

    Connect your application to brokerages and trading platforms with our unified API. Enable portfolio management, trading, and financial data access in minutes, not months. Our …

  10. FinanceFlow API: Real-Time Financial Data API

    FinanceFlow API provides fast and reliable access to structured financial data — including stock tickers, SEC filings, government bonds, commodities, and macroeconomic indicators.