10 Top Financial APIs for Traders to Integrate into Digital Products

Financial APIs

Over the past few years, there has been a great adoption of technology in the finance industry. Businesses of all sizes are starting to use the latest technologies, such as financial APIs.

Why not, too?

Financial APIs can accelerate time-to-market by facilitating developers’ connections to their platforms and applications. Additionally, they provide a seamless experience for merchants and your clients, who expect quick, reliable, and secure data access from your apps.

When you use an effective financial API to develop your digital goods, everyone benefits.

Let’s investigate all these issues and more to help you choose the top financial APIs for building high-capacity applications. We have some really good suggestions for your needs.

Take a look at them!

Top Financial APIs List

1) Webz.io

Webz.io is the leading Google News API option for up-to-date, comprehensive news coverage and News API data streams. Data from over a million websites will be collected, organized, aggregated, and delivered to you in XML and JSON forms.

You can access live data directly from multiple news sites with the Webz.io News API. Additionally, it provides you with filters that include emotions, entities, saved data, and social signals. You can also use historical data to power your analytics and research by running queries about people, places, and organizations.

Improve your risk modeling and predictive analytics using historical data, and use financial analysis to gain a deeper understanding of organizations, people and businesses. Profitability can also be found through market news, internet reviews, and competitive product pricing.

Using diverse data, build artificial intelligence models that are more valuable and accurate. Access every story you collect and gain a complete understanding of your brand so you can always stay on top of it. To give you accurate data, Webz.io also consults forums, radio stations, news stories and blogs.

Check out Webz.io

2) Crypto APIs

Use highly reliable SaaS to build Blockchain and cryptocurrency applications with greater security, simplicity and speed using Crypto APIs. Wallet as a service, blockchain data, blockchain events, blockchain automation, blockchain tools, and market data are just a few of the many things it supports at all stages of development.

Multiple coins, exchanges, standards, layers, and blockchains are supported through the API. It constantly scans the market for fresh information to keep you one step ahead of the competition. Additionally, enterprise-grade security will be provided to encrypt all REST, memory, and sensitive data.

To save a lot of work, get uniform data that you only need to merge once for blockchain protocols and cryptocurrency exchanges. Additionally, the API leverages a cloud-based microservices architecture, which autoscales using Kubernetes.

The response time of Crypto APIs is unchanged and can handle up to 5000 queries per second. Additionally, SDKs and libraries in the programming languages of your choice will be available to you. Instantly generate code samples, download more SDKs, and use all Crypto APIs products for free, but with some restrictions that come with paid subscriptions.

Test Crypto APIs.

3) Polygon.io

The financial market data platform for forex, cryptocurrency, stock APIs, and more is called Polygon.io. It offers real-time and historical stock data APIs for US stocks from dark pools and US-based stock exchanges.

Get real-time updates on 1000 different currency pairs from top financial institutions. Additionally, one API will provide you with historical and current cryptocurrency data from top cryptocurrency exchanges. With just one application, you can access transactions, quotes, ticker details, stock splits, market status, and much more.

Additionally, you are not limited to using Java or C++ while creating the application in your choice of programming language. Invest more effort in developing the apps using technology and obtaining sample programs to execute in Node.js, C#, Python, and other languages on Github rather than focusing more on integration.

Moreover, you can make requests utilizing coding languages with the structured JSON RESTful APIs. Additionally, it keeps up extremely low latency APIs that take less than a millisecond. Using the familiar language of Polygon.io, you can create robust visualizations for any platform or operating system. The API is quick, dependable, and accurate.

Get two years of historical data, aggregate bars, reference data, corporate activities, and more for free. You can also get five API calls per minute. For $19 a month, get more features and advantages.

Consider Polygon.io

4) Alpha Vantage

With over 50 technical indicators, global coverage, Google, JSON sheets, forex and cryptocurrency data feeds, and stock APIs in Excel and Google, Alpha Vantage offers it all. It includes state-of-the-art technology, thorough investigation, and constant availability of financial data.

Use the API documentation provided by Alpha Vantage to test drive the API library. Get your free key and continue exploring when you’re ready. Numerous programming languages are supported, such as C#/.NET, Python, PHP, NodeJS, and more. It will have more than 20 years of historical data your applications require.

Using the search endpoint, you can obtain data about the market and symbols that match your selected keywords. By providing truthful information about yourself, you can register for lifelong access and utilize Alpha Vantage at no cost.

Take a look at Alpha Vantage.

5) Trading Economics

Trading Economics provides historical prices and live quotations for stocks, bonds, commodities, and currencies. You can download numerous rows of historical data, query real-time economic calendars, and subscribe to the updates with Trading Economics API. Utilize it to have access to current and historical data on 20 million metrics across 196 countries.

Along with the advantage of open source, where you may use any programming language you like, such as R, NodeJS, Java, PHP, C#, Python, etc., you will find patented predictions for markets and indicators. Official sources can also provide you with data on national statistics.

Additionally, you will receive data on stocks, bonds, commodities (such as metals, cattle, industrial goods, energy, and agriculture), global banks, comrades, FRED, and currencies (from 150 currencies and 29000 exchange rates).

Purchase the Trading Economics API for just $49 per week or $199 per month, and take advantage of a free week of trial. There are additional savings for quarterly and annual plans.

Take a look at Trading Economics.

6) Marketstack

Marketstack is a free and user-friendly REST API interface that provides JSON-formatted worldwide stock market data. You can access nearly thirty years of historical market data, as well as real-time ticker data up to the minute and quote requests.

Easily integrate the API with your financial products and take advantage of over 170,000 global stock tickers collected from 70 global exchanges, such as NYSE, Nasdaq, and others.

Besides providing real-time and intraday market data, 750+ market indices, and more, Marketstack assures almost 100% uptime. It is powered by the latest technology and scalable cloud architecture that can process millions of requests per day or millions of requests per month.

With industry-standard 256-bit HTTPS encryption, every bit and byte is secure. Additionally, comprehensive documentation will get you up and running in minutes, with interactive demo applications and code examples.

Get it for free or pay $9.99 per month to get features like a market index, HTTPS encryption, 70 exchanges, 10,000 requests per month, and ten years of history.

Take a look at Marketstack.

7) Coinlayer

With Coinlayer’s Rest API, you can easily find the latest cryptocurrency exchange rates in JSON format, covering 385 coins and 25 exchanges. The API can deliver your data in milliseconds thanks to a reliable and highly accessible cloud architecture.

Cryptocurrency rates are powered by multiple trusted exchange providers, so Coinlayer guarantees you’ll get the most accurate possible. Additionally, 256-bit HTTPS encryption is used to encrypt every request and response. Additionally, you’ll see how cryptocurrencies have evolved over time and get historical data going back nearly ten years.

Coinlayer will provide you with continuous information whenever you need it. To provide the best user experience, the developers built the API with consistency, usability and efficiency in mind. Use it in conjunction with interactive, fully documented, and relaxed requests and responses.

Coinlayer offers a reaction time of 20 milliseconds. You will also have the opportunity to learn more using the integration guide. Whether you work as a large company, small business, or freelancer, the Coinlayer API has everything you need to access the full data set.

Get Coinlayer for free, which includes hourly updates, historical data, and 100 questions every month. If not.

Consider using Coinlayer.

8) Financelayer

Financelayer is a real-time financial news API that retrieves dynamic financial data via a JSON payload. You can connect to over 100 financial markets and get multiple data stock quotes with just one integration.

Add article feeds and real-time financial news to any application or website. In an organized manner, you can also access government economic reports, stock quotes, corporate finances, and more. It also includes all information, including current headlines and historical data.

Any server-side and client-side programming language, including Python, JQuery, Ruby, Go, and PHP, is supported by the News API. You can get started quickly as it comes with over 100 pre-written codes.

Get 250 calls per month, free access to all news sources, history of the last three months, information about delayed news, and much more. A paid service is also available with 1000 API calls per month and one year of news history. It costs $59.99 per month or $47.99 per month if paid annually.

Check out Financelayer.

9) FMP

With FMP, you can monitor past stock prices using a variety of visual formats, including daily and intraday charts. Technical indicators such as relative strength index, exponential moving averages, and simple moving averages are used for visual support.

The user can specify multiple intervals from one to sixty minutes for the intraday chart to display the stock prices. Similarly, a daily chart shows the daily changes in the price of a particular stock over a specified period of time. Similarly, using its stock trader API, one can use its developer documentation to view other indicators.

Multiple languages, including Python, PHP, Ruby, Go, Swift, and more, are supported by FMP APIs. Structured data is generated for export as text, CSV, or JSON.

FMP offers a free forever subscription that includes 250 calls per day, five years of historical data, and daily updates. In addition to real-time data updates, a large API call limit, and access to over 30 years of historical data, subscription plans offer more.

10) CoinMarketCap

With its expert API, CoinMarketCap provides you with a fresh set of reliable, accurate, and customizable cryptocurrency market data endpoints. Using crypto data allows you to create investment strategies as well as simulate and backtest trading methods.

Thanks to the combined information of hundreds of exchanges and thousands of coins, you will always get the most accurate picture when searching for exchange data. Additionally, you will have full access to all cryptocurrency data for up to five years. You can use CoinMarketCap’s API to provide accurate market data to your users.

You can also build wallets, new media offerings, portfolio management tools and more with the help of its latest and most up-to-date market data. Get in-depth information on past and present volume, information exchange and pricing to make the right choice when you need it. With the collected data, you can create high-capacity applications that increase user engagement and curiosity.

An unlimited free API key is provided by CoinMarketCap. Take advantage of additional features for $29 per month if paid annually.

Check out CoinMarketCap.

This brings the list of financial APIs to a close. Here is a little tutorial on Financial APIs and their advantages if you would like to learn more about them and why you should utilize them.

Financial APIs: What Are They?

Software known as finance APIs can interface with financial apps to make data access, payment processing, and transaction processing easier. To improve user experience, streamline integration, and facilitate easy communication between financial partners, financial platforms and institutions employ these APIs.

With a few clicks, thanks to a finance API, users should be able to obtain financial data whenever they’d like. It also makes it possible for users, business partners, third-party vendors, and workers to share data between the apps with ease. Financial APIs synchronize data between various apps and bridge the gaps between unique apps. By receiving incoming requests, they can establish a connection with legacy financial apps and retrieve data from them. Subsequently, they handle the requests, retrieve the needed information, and forward the reply.

Why Use Financial APIs?

Businesses and traders can link financial programs, access data, and create products more quickly by utilizing APIs. There are a ton of other advantages. See below for specifics on how financial APIs might support you.

Excellent Insight and Connection

Financial applications, accounts, and transaction data can all be easily connected to a financial API, allowing you to perform desired financial operations seamlessly. Customers are provided enhanced functionality, value, and a seamless experience for digital banking, money management, processing payments, account verification, and more.

Additionally, you can quickly add data analytics to your app through APIs to learn more about your users’ behavior. This may include data on spending trends and patterns for stores, merchants, and/or geographic areas. You can use it to map your customers’ needs and expectations and adjust your products accordingly.

Quick Access to Data

Consumers are becoming more and more interested in online banking and shopping, and to keep up with this demand, high-quality, responsive apps are needed. Apps that work perfectly everywhere, at all times, and on a range of platforms.

As your application is being built, you can use a financial API to facilitate this. Instantaneous account access, available balance checks, transaction completion, transaction history viewing, and real-time data access are all available to users. Additionally, it can provide simple account verification for loans, account opening, purchase or sale of stocks, online shopping, etc.

Better Experience for Users

Consumers are sophisticated in modern times. They expect a seamless application or service experience. With the advancement of technology, everything has become increasingly streamlined and accessible, leaving less room for problems.

You can achieve this by integrating financial APIs into your apps. Use APIs and focus more on providing advanced user experiences rather than writing more code. By integrating on-demand financial services, including products, banking information, online payment information, etc., you can give customers a more responsive and customized experience.

Their attention will be captured and retained by a rewarding, user-friendly, secure, and efficient user experience with your program.


Financial APIs are used by most organizations because they reduce the time it takes to develop new applications. A secure and open API helps you develop, optimize and launch your products faster. This is more efficient than building an app from scratch within the company. Alternatively, you can leverage APIs to accelerate product development and enter the market ahead of competitors. This application process can result in significant financial, time and effort savings.

Effective Data Security and Management

Financial apps need to access high-quality data reliably and securely with the right user permissions. It is not only cool but also necessary. You can provide strong security features, such as permission-based access to accounts and transactions, by using the Secure Finance API. In addition to providing bank-level security, it lets you effectively manage your data for simple regulatory reporting and compliance.

Final Remarks

Developers can use Financial APIs to build apps that are faster, more responsive, and more secure. This will enable effective data management, help you deliver a first-class customer experience, and reap many other benefits. This not only benefits the companies but also your customers. As a result, choose a financial API from the list above that best suits your needs and build exceptional financial solutions.

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