8 Best Cryptocurrency APIs for Developers [April 2025]

Digital currencies have recently piqued the curiosity of both institutional and individual investors, as we all know. Over the last decade, cryptocurrencies such as Bitcoin have risen to prominence as a new asset class with exceptional returns. Cryptocurrency APIs or application programming interfaces effectively cover the heart of crypto-success stories.

Using crypto APIs, checking market prices, watching wallet contents, and even initiating and receiving transactions have become more manageable. Moreover, APIs are beneficial for practically any project using Blockchain or cryptocurrency.

If you’re a dedicated cryptocurrency speculator, developer, trader, or someone who wants to do cryptocurrency research, you’ll find various APIs. In addition, many crypto exchange APIs are public, allowing any committed developer to connect their platforms to them. This list was compiled by selecting the best, most reliable, secure, and scalable products. So here they are, the five API titans. This article will go through the Top Best Cryptocurrency APIs currently in use and will tell you the top features that would help you while working with them. 

Summary

What is an API?

API, or Application Programming Interface, connects multiple user programs. A specific API, for example, is used by an app that assists in taxi booking or checking rail ticket availability. An API sends your request to a server with the information you need and then returns the response to your device.

The current API has its software development lifecycle (SDLC), which includes designing, testing, developing, maintaining, and versioning, much like any other productized software. Modern APIs are also fully documented in terms of usage and versioning.

What is API in cryptocurrency?

Crypto API refers to a method for gaining access to cryptocurrency exchanges. It provides the developers and clients of the service who may profit from these APIs with the most up-to-date real-time data receiving, trade execution, automated trading methods employing trading boots, documentation, and data analysis.

The Bitcoin exchange system has released APIs for developers to integrate with the platform to sustain the service’s operation. In addition, downloading historical market data and prices is also more accessible.

Binance API: 1st Best Cryptocurrency APIs

What is Binance API?

Binance is a well-known crypto exchange that was created in 2017, and its development was funded by an initial coin offering (ICO). The Binance API uses Python or other languages to connect to Binance servers, thereby allowing you to automate your trade.

Binance sends and receives data through HTTP requests. A WebSocket is also provided, allowing data like price quotations and account changes to be streamed. The Binance API key is made of a basic HTTP authentication model.

Also, read Top 6 Binance Trading Bots

Features

Binance has established itself as the industry leader when it comes to cryptocurrency trading. In addition, Binance has a solid security track record. Binance has only been hacked a few times; however, owing to the nature of the business, all exchanges are vulnerable.

You may find the Binance API on GitHub. Users that wish to construct exchange services and apps can utilize it. Traders can also utilize it while creating trading algorithms and bots. Users who create trading apps can design the software to place specific orders when certain criteria are satisfied.

Price

It is free, with a limit of 1200 requests. However, the commissions are pretty competitive, and you may have difficulty finding another lower-cost exchange. 

Coinbase API: 2nd Best Cryptocurrency APIs

What is Coinbase API?

Coinbase is an excellent cryptocurrency trading platform that lets us purchase, trade, and digital store currencies. Their services are provided in more than 100 countries throughout the world. In addition, the Coinbase API allows us to trade coins on Coinbase using JavaScript automatically.

The Coinbase API allows the integration of Bitcoin, Bitcoin Cash, Litecoin, and Ethereum into new and existing applications simple. Node.js, GDAX Trading Library, and Ruby are their three official client libraries.

Also, read Coinbase Staking – Earn staking rewards on your Crypto

Features

Coinbase is a user-friendly trading platform that allows you to buy, sell, trade, and receive a variety of cryptocurrencies, including Bitcoin, Litecoin, Ethereum, and others. In addition, it provides several trading tools, including the Coinbase Pro API, which allows us to trade cryptocurrencies on Coinbase Pro automatically using code.

Appreciable customer services further enhance Coinbase API. Apart from that, for spreading information regarding the absolute usage of APIs, Coinbase provides study materials for the learners. 

The UI is highly user-friendly and can be accessed from any platform. When compared to other media, the liquidity exchanges are relatively high. It also has a selection of over 25 cryptocurrencies.

Also read, Coinbase Wallet Review [Everything You need to know]

Coinbase API Price

There are no premium options available, but Coinbase API limits the number of requests per hour to 10,000. But trading with Coinbase Pro API costs a bit. The charge tiers are based on your USD trading volume during the last 30 days. 

If you place a market order that is quickly filled, you are categorized as a taker and will be charged a cost of 0.04 percent to 0.50 percent. If it is not matched soon, your order will be placed on the order book. When another consumer matches your order, you will be labeled a maker and charged a fee ranging from 0.00% to 0.50%.

Kraken API: 3rd Best Cryptocurrency APIs:

What is Kraken API?

Kraken is a cryptocurrency exchange situated in the United States established in 2011. Apart from the United States, Kraken has operations in Japan, Canada, and the European Union, the top Bitcoin exchange by volume and liquidity in Euros.

The Kraken API provides a programmatic mechanism for trading cryptocurrency on Kraken. When people use the Kraken API, it produces a lot of data. OTC, Fiat and spot, futures, and leverage trading are also available through Kraken.

Also, read Kraken Review – Best Crypto Exchange in the USA?

Kraken API

The REST API in Kraken is divided into publicly available endpoints such as market data, exchange status, etc. The UI is user-friendly, and each department is properly navigated to the respective divisions. Moreover, the stock API and Kraken API are separately documented.

A decent API is offered along with competitive fees, and excellent track records. You can customize the profile according to your interests, and the wide selection of assets can be easily categorized. ID verification is required to open up an account and utilize the Kraken API. 

Price

You may use Kraken for free as long as you aren’t trading. After that, the costs vary depending on the assets you’re trading, the platform you’re utilizing, your monthly trading volume, and other factors. Instant Buy, Kraken Pro, Stablecoin & FX Pairs, Margin, and Futures are the categories for different fees structure.

Nomics API: 4th Best Cryptocurrency APIs

What is Nomics API?

Nomics is a free API-based trade data gathering tool for all your trading requirements. The Nomics API serves as a data backbone for developers and professional crypto investors. Its primary purpose is to examine all crypto asset data. Nomics was founded in 2017 and featured Coinbase, the Digital Currency Group, and Polymath as partners and a price rating on their website. 

Features of Nomics API

The usage of raw trade data is a crucial component of Nomics. Instead of utilizing trade candle data, this API attempts to obtain raw trade data and, if necessary, calculate tickers from it. As a result, it improves data accuracy, especially from more minor reputable bitcoin exchanges.

The Nomics API is available in two tiers: free and business, with 242 interactions. Nomics API is also well-known for its outstanding historical exchange rates. The API is a fantastic solution for business clients and traders with SLAs, REST, Websocket, comprehensive tick data with real-time updates, and no rate limits. Furthermore, paying clients have the fewest endpoints, and there is no indication of the price at this level. 

Price

The Nomics comes with an infinite number of requests, and everything is free. They also provide a lot of data for the free tier, and they’re the site where the API is the center. The Nomics API premium subscription is $25 per month. This has a request rate of 100 requests per second. People who make a sufficient profit are granted a business license. It does not require attribution, and we can receive help by email.

Bitquery API: 5th Best Cryptocurrency APIs

What is Bitquery API?

Another intense competition on the market is Bitquery. Bitquery is a worthy alternative that presently allows API data streaming to over 40 blockchains. Bitquery grew to prominence as a result of its unwavering dedication to users.

In Bitquery, market analytics for individual projects and industry trends are available for multiple blockchain networks. In addition, you can find the origin and destination of funds using money flow analysis for blockchain investigation and compliance.

Features of Bitquery

The network’s API allows you to track blockchain money movement using a user-friendly interface that requires no technical knowledge. Developers may access data across blockchains via a single GraphQL API as part of the firm’s sophisticated monitoring solutions. In addition, developers may use GraphQL to acquire comprehensive data based on their platform’s requirements. 

The network is quick, and it can query large data sets and produce findings quickly. Furthermore, the network allows developers to store large amounts of data at affordable costs. As a result, Bitquery is one of the finest solutions for developers looking to improve their Dapps monitoring and trading capabilities.

Price

The Bitquery GraphQL APIs are designed to each unique API call, requiring variable amounts of work on our back-end servers. This makes it difficult to give a straightforward price mechanism for API requests. As a result, their pricing will be determined by a point system.

There is also a free plan with a monthly restriction of 10 calls. This might vary depending on the plans you select and your company’s requirements. For consumers who want larger data capacity, custom plans are available.

Crypto APIs: 6th Best Cryptocurrency APIs

What is Crypto APIs?

Crypto APIs is a reputable API provider for crypto and dApp. It is the most straightforward method of interacting with blockchains. Crypto APIs are excellent for any company working on blockchain and crypto solutions and dApps, such as crypto wallets, exchanges, payments, loans, accounting, mining, and portfolio management.

Also, read Crypto APIs Review | Blockchain Infrastructure for Web 3.0

Features of Crypto APIs

Blockchain Data, Blockchain Events, Blockchain Automations, etc., are part of the company’s product line. Crypto APIs provide interoperability by supporting numerous blockchains, coins, and standards. The product suite may be used on both testnets and Mainnets.

The unified REST API endpoints make it simple and secure to access several blockchains. SDK packages provided by Crypto APIs make it simple for developers to integrate and interact with endpoints. Crypto APIs provide an ideal infrastructure layer for Web3 with its simple one-time integration and excellent cryptographic security.

Price

Crypto APIs provide personalized plans and flexible usage-based pricing. Customers can begin with a free membership that gives them access to testnets and allows them to explore the features of Crypto APIs.

The bespoke plan is ideal for individuals who have specific requirements and handle any inquiries. €99 is the cheapest paid bundle. Priority ticket assistance is included in all plans above €299, and those over €599 get a dedicated private chat with the support team.

CoinGecko API: 7th Best Cryptocurrency APIs

What is CoinGecko API?

The CoinGecko API is a comprehensive source of cryptocurrency exchange API data for various currencies. CoinGecko counts over 10,000 currencies (and counting) and gives statistics for each via a free API.

Total supply, circulating supply, maximum supply, market capitalization, and a variety of other important information are available through the CoinGecko API. Priced data is limited to 7d sparklines with 168 data points (hourly prices) and minute precision data (for a single day at a time).

Features

The CoinGecko API has more data than any other cryptocurrency API currently available. They offer statistics on token contracts, segmented by category, ecosystem, and exchanges, and data on derivatives products. The CoinGecko API also includes APIs for private information, such as CoinGecko trending currencies and status updates.

CoinGecko provides API for Python, C++, JavaScript, and even Excel clients. In addition, the HTTPS endpoints provide readily adjustable access for individuals who construct their clients using raw requests.

Price

The CoinGecko data plans are divided primarily by API call volume. Free plans allow 50 calls per minute via shared infrastructure, and pro plans allow 500 calls per minute with a monthly maximum of 5 million calls. For individuals with more considerable capacity data demands, custom plans start at $10,000 per year.

CoinMarketCap API: 8th Best Cryptocurrency APIs

What is CoinMarketCap API?

The CoinMarketCap API gives users access to market capitalization rankings, charts, and other information. It is a set of high-performance RESTful JSON endpoints tailored for application developers, data scientists, and corporate business platforms. In addition, this API reference contains all the technical documentation needed for developers to integrate third-party apps and platforms.

The CoinMarketCap API is available in the following programming languages: NodeJS, PHP, Python, Ruby, Objective-C, Java (Android), C# (.NET), cURL.

Features

CoinMarketCap has a free plan and can be actively used by learners. The interface is very user-friendly and every sector correctly navigates to others. The application is very informative in its way. They provide free materials for enlarging people’s interest in the crypto field.

The API is well supported under all platforms. The mobile app is well structured and is very easy to use. In addition to that, it can track a significant number of coins and exchanges.

Price

The CoinMarketCap API has a free plan that gives you access to the following nine market data endpoints:

• Latest crypto and fiat currency conversions.
• Latest crypto rankings and market quotes.
• Crypto referential, logo assets, and logo info.
• Parter data access.
• Latest global market cap, volume, and stats

The 79$/month STARTUP package offers access to 14 market endpoints, including historical data and OHLCV. The STANDARD and PROFESSIONAL plans, on the other hand, allow you access to 22 market endpoints. The quantity of free CMC API call credits per month is ten thousand, and it may go up to three million or more with the various expensive packages.

Conclusion

The API providers here are a handful of the many available options today. For example, simple spot-quote OHLC data to more complex analytical data and contract address analytics are available through the crypto API.

Before choosing the best crypto API, examine the documentation to understand what data is accessible, any rate-limiting difficulties, and your anticipated data consumption pricing. Some of these APIs include language-specific libraries that are officially supported to assist developers in getting started quickly.

Others merely supply HTTP endpoints, and developers are required to create their request protocols and error handling systems from there. Of course, both have advantages and disadvantages, but understanding when such pre-built solutions are available may help initiatives get off the ground faster.

Frequently Asked Questions

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