Compare the Top Financial Data APIs Software that integrates with C# as of December 2025

This a list of Financial Data APIs software that integrates with C#. Use the filters on the left to add additional filters for products that have integrations with C#. View the products that work with C# in the table below.

What is Financial Data APIs Software for C#?

Financial data APIs software enable the interaction with financial applications in order to access transaction and payment information. Compare and read user reviews of the best Financial Data APIs software for C# currently available using the table below. This list is updated regularly.

  • 1
    EOD Historical Data

    EOD Historical Data

    EOD Historical Data

    EOD Historical Data is a leading financial data provider based in Lyon, France. We offer comprehensive APIs for End-of-Day Historical Stock Market Data, Real-Time Data via WebSockets, and Fundamental Data for Stocks, ETFs, Mutual Funds, and Indices, and many more data feeds. Take advantage of our global data coverage from 70+ stock exchanges and experience reliable, accurate, and developer-friendly data solutions. 30+ years of data. We use several data providers to compare data against different sources and deliver the best. One-click API for all financial data you needs. Quick start with sample codes Excel/VBA, Google Sheets, Python, PHP, JAVA, C#, R, Matlab, and more.
    Starting Price: $19.99
  • 2
    Synth

    Synth

    Synth

    Get real-time and historical exchange rates for any currency. Get information on all global stock exchanges. Free logo endpoint for payment methods. Our goal with the Synth API is to make it as simple as possible to get up and running with the various tools Synth offers around fintech data. You can interact with the API through HTTP requests from any language. Synth provides modern fintech APIs for businesses tired of dealing with antiquated enterprise software. Production requests must be routed through your own backend server where your API key can be securely loaded from an environment variable or key management service. Translate cryptic bank transactions into merchants with logos, addresses, and more. Lists all fiat currencies, along with details about each currency. Real-time rates for any currency, are updated every 60 seconds. Provides a list of all the stock tickers supported by Synth.
    Starting Price: $10 per month
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