Best Free Crypto APIs of 2025

Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,000 financial institutions across 20+ countries, Plaid operates the world’s largest open banking data network. By removing the complexity of direct bank integrations, Plaid enables developers, financial institutions, and enterprises to build secure, user-friendly, and conversion-optimized financial products. Plaid powers payments, lending, identity verification, fraud prevention, and personal finance applications. Today, more than 100 million people worldwide, including half of U.S. adults, have relied on Plaid through their connections to over 7,000 apps and services. Plaid supports a wide range of industries and financial workflows, including: Banks & credit unions, Payouts streamline disbursements, and Pay by Bank supports direct consumer-to-business payments for recurring bills, subscriptions, and eCommerce, Mortgages & lending, Government & public sector programs, Property management, Gaming, Crypto & Digital Assets, Business finances, and Wealth Management. Customers include Venmo, Robinhood, Rocket, Carvana, Affirm, Invitation Homes, and many more. Plaid is built with enterprise-grade encryption, continuous monitoring, and regulatory compliance, including PSD2 in Europe and FCA requirements in the UK. Plaid does not hold funds but enables secure data transfer and payment initiation. Plaid provides trusted infrastructure across payments, identity verification, fraud prevention, account connectivity, and open banking. With scale, security, and mobile-first design, Plaid helps businesses create seamless and secure financial experiences for millions of consumers worldwide.

3Commas equips crypto traders with innovative tools designed to simplify trading workflows, reduce risks, and support the pursuit of optimized strategies—all within a secure, all-in-one platform. Advanced Bots: Tailor automated trading to match your strategy, leveraging DCA, Signal, and Grid bots for various market scenarios. Unified Dashboard: Effortlessly connect and manage accounts across 15 leading exchanges. Smart Trade: Take advantage of tools like Trailing Take Profit, Multiple Take Profit, and Trailing Stop Loss for precise trade execution. Mobile & API Access: Access your trading tools anytime through free mobile apps and public APIs for added convenience. Paper Trading: Refine your strategies risk-free using virtual assets. Relied on by traders globally, 3Commas delivers cutting-edge solutions for smarter and more efficient trading.

Unlock the Potential of Crypto with ChangeNOW's Exchange API! Empower your customers to trade and interact with over 800 cryptocurrencies in real-time. Ride the wave of the rapidly growing crypto market and earn a cut of every transaction made through your platform, with complete flexibility over your commission rate - set it at 0% or any other percentage you prefer. Seamless integration is a guarantee, with an average setup time of just 7 days. And if you encounter any issues, our 24/7 multilayer support team is always ready to assist. Our maintenance-free solution frees you up to focus on growing your business. Join the elite ranks of Exodus, Trezor, and Guarda Wallet, and revolutionize the way you do business with ChangeNOW.

We are a cryptocurrency trading platform that aims to increase accessibility within the crypto-community. We've created a variety of Free widgets that facilitate access to cryptocurrency data. We created these widgets because we realized that there were certain gaps in the crypto-world. We recognized the need to provide users with easy-to-use tools that would simplify the crypto experience. We also wanted to help website owners improve their online presence while providing value to their customers. To achieve this, we've made our widgets easy to embed on your website. It's an easy process. You can customize the widget according to your website's colors, copy the shortcode provided, and you'll have a fully functional widget on the site within minutes.

Venly is a blockchain technology provider that creates tools and products to help companies benefit from blockchain technology. We offer a whole technology stack to bring platforms, apps, and brands into Web3. We provide marketplaces, wallets, and NFT solutions to assist businesses in smoothly integrating web3 technology and onboarding customers. Our solutions use a Web2 interface that developers and users are already familiar with to make blockchain easy to use. Venly enables the adoption of blockchain by offering reliable and user-friendly software solutions. We are making blockchain accessible for everyone. Venly's products and services include: WALLET SOLUTIONS → Instant Web3 Wallets for Your Users NFT TOOLS → Your Complete NFT Toolkit MARKETPLACE SOLUTIONS → NFT Marketplace Built for the Mainstream SHOPIFY NFT APP → Sell NFTs in Your Shopify Store WEB3 GAMING TOOLKIT → Make Your Game Web3 Ready

OKX is one of the largest global crypto exchange by trading volume and a leading Web3 ecosystem. With monthly Proof of Reserve releases, OKX is trusted by over 50 million global users. OKX is the fastest and most reliable crypto trading app for professional traders everywhere. - Buy, sell, and trade 350+ tokens with 100+ local currencies - Duplicate moves from top traders in the industry in just one click - Explore Web3 and take control of your crypto, NFTs, and digital assets with the OKX Wallet With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX’s vision is a world where financial access is backed by blockchain and the power of decentralized finance.

Accointing by Glassnode features a comprehensive array of tools designed to address critical needs, including: 1. Tax Reports, which encompass Custom Tax Reports, integration with tax software, and necessary forms such as Form 8949 and TurboTax, alongside optimization tools like the Trading Tax Optimizer for tax loss harvesting; 2. Portfolio Tracking, which offers insights into the market, customizable market lists, alerts, and sentiment analysis; and 3. Management, focusing on Portfolio Historical Performance and Asset Allocation. The platform prides itself on delivering the quickest and most user-friendly onboarding experience available, supporting over 300 major exchanges, NFTs, and wallets, and allowing data import on desktop, iOS, and Android devices, as well as the option to manually input transactions across all platforms. Featuring a visually appealing dashboard, the desktop platform ensures an engaging user interface that enables users to monitor their performance and transactions related to DeFi, CeFi, and NFTs in real-time, all while offering an exceptional user experience. By prioritizing the user journey, the tool facilitates effortless classification of trades and transactions, making it easier to track and manage overall performance efficiently. This seamless integration of features makes Accointing a valuable asset for crypto investors seeking comprehensive financial insights and management tools.

HaasOnline is a platform for advanced crypto trading bots. Traders can develop, backtest, paper trade, and deploy trade bots on over three dozen exchanges like FTX, Bybit, and Binance. Replicate historically proven trading strategies like scalping, grid trading, dollar cost averaging, or arbitrage. Create trade bots line-by-line with our IDE-based editor or use the visual drag and drop designer without having to write a single line of code.

CoinMarketCap stands as the leading platform for tracking cryptocurrency prices, serving as a vital resource in the expanding digital currency market. Its goal is to enhance the global accessibility and effectiveness of cryptocurrencies by providing retail users with reliable, high-quality information that allows them to make well-informed decisions. Users can easily monitor their gains, losses, and overall portfolio value through a user-friendly interface. Furthermore, the platform allows you to synchronize your information seamlessly between desktop and mobile applications, ensuring you can manage your crypto assets from anywhere. With updates occurring around the clock, it harnesses data from major exchanges to provide real-time price information. Enjoy top-tier cryptocurrency portfolio management without any fees, with access to thousands of different coins and tokens. We prioritize the security and privacy of your data with utmost seriousness. As the definitive authority on cryptocurrency data, we offer a professional API tailored to meet your needs, featuring a new suite of powerful, adaptable, and precise market data endpoints to enhance your trading experience. This comprehensive approach ensures that both novice and experienced users can navigate the crypto landscape with confidence.

minerstat® provides a comprehensive suite of tools tailored for cryptocurrency mining experts. Enhance your hardware's performance by utilizing overclocking, underclocking, and undervolting techniques on your GPUs. The platform features essential utilities such as a BIOS flasher, autotune, rxboost, and AMD memory tweak to facilitate seamless optimization. You can implement a profit switch for your ASICs, FPGAs, and GPUs, enabling automatic selection of the most lucrative coin or algorithm available. It supports all major mining pools, including Mining Pool Hub, zpool, Nanopool, and many others. In addition to our built-in watchdog systems, you have the option to configure custom event-based triggers and hardware watchdogs, which can significantly enhance the performance and reliability of your mining rigs. Moreover, you can visually pinpoint and analyze the hottest areas of your mining facilities, making it easier to track down offline machines. With access to your 24-hour logs, you can review the history of your mining operations or monitor real-time diagnostics to promptly address any issues that arise. This proactive approach not only improves efficiency but also ensures the longevity of your equipment.

Our DEX GraphQL APIs deliver instantaneous trading information for various decentralized exchange protocols spanning multiple blockchains. Users can retrieve trading data from platforms such as Kyber, Uniswap, 0x, Balancer, and PancakeSwap, among others. Utilizing this DEX trade data enables the creation of visual charts, in-depth analytics, the identification of arbitrage opportunities, and comprehensive market analysis of DEXs. Bitquery offers a suite of software solutions that systematically parse, index, and store blockchain data in a cohesive manner. Additionally, it provides market insights for individual projects and examines industry trends across diverse blockchain ecosystems. Furthermore, it facilitates money flow analysis crucial for blockchain investigations and compliance efforts, allowing users to trace the origins and destinations of funds. The APIs and analytics for Decentralized Finance (DeFi) protocols support extensive research opportunities in the realm of blockchain development, contributing significantly to the ongoing evolution of the industry. Overall, these tools empower developers and analysts to harness blockchain data effectively for a multitude of applications.

Sila is an end-to-end payment platform that provides Banking-as-a-Service through a developer-friendly payment API that is scalable and allows for fast and secure money transfers. Sila’s payment platform streamlines building and launching fintech apps and embedded payment products for financial products, fintech, crypto, and Web3. Sila’s offerings include Virtual Accounts, Digital Wallets, KYC/KYB, and ACH payments APIs for software teams. Additional functionality is available through a network of pre-approved and pre-integrated partners (to different degrees). Sila was recognized as the Best Payments as a Service Platform by the 2022 Embedded Banking Awards of Tearsheet. Sila is headquartered in Portland, Oregon.

The easiest and fastest blockchain development platform. Unified framework for 40+ digital assets and 40+ blockchain protocols. One Javascript SDK that supports all 40+ blockchain protocols. Simplify your development by integrating any blockchain directly into your JavaScript Backend. WooCommerce allows you to create and sell NFTs from within your WooCommerce website. The plugin is free and easy to set up in minutes. Open-source key management system that secures your private keys, mnemonics and allows you to sign transactions on-premise. A command line interface for interacting with blockchains. Access our infrastructure via REST API, with unified commands across all supported Blockchains. You can quickly and easily create apps on any supported Blockchain without any previous blockchain experience.

Mobula offers curated datasets: market data from Octopus, wallet data from Metacore, metadata from Metacore, along with REST, GraphSQL & SQL query interfaces.

BitGo is the first digital asset company that has been focused exclusively on serving institutional clients since 2013. BitGo provides institutional investors with custody, staking, liquidity and security solutions. Active in both centralized and decentralized finance, BitGo offers market leading trading, lending, and borrowing services through its prime brokerage services and acts as the custodian for WBTC, the leading global stablecoin for Bitcoin. In 2020, BitGo launched BitGo Prime, Portfolio and Tax, providing clients with a full-stack solution for digital assets. In 2018, it launched BitGo Trust Company, the first qualified custodian purpose-built for storing digital assets. Most recently, BitGo launched institutional-grade DeFi, NFT and web3 services. BitGo processes approximately 20% of all global Bitcoin transactions, and supports over 700 coins and tokens. BitGo’s customer base includes the world’s largest cryptocurrency exchanges and institutional investors and spans more than 50 countries.

Zerion is a mobile-first cryptocurrency wallet for active Web3 citizens. Manage your entire DeFi and NFT portfolios, trade over 10+ networks, connect to any decentralized app on the move, and more. Zerion Wallet supports Ethereum, BSC and Polygon, Polygon, Optimism. Fantom, Avalanche and more. All your Web3 actions are visible Zerion Wallet tracks all your actions across Web3. Trade across more than 10+ blockchains. Zerion compares swap prices across 0x, 1inch and major DEXes to find the best price for swaps. With the built-in decentralized app browsers, you can connect to any application on the move. Switch between wallets or networks easily Never miss another NFT drop! Privacy is a priority for Zerion Wallet. Zerion does not track your IP and does not cross-associate with wallets. Zerion's web site is completely de-Googled.

SimpleSwap is a user-friendly and reliable service for cryptocurrency exchanges. Our platform is free from sign-up and supports more than 900 crypto and fiat currencies. Also SimpleSwap offers Affiliate program, Loyalty program and Invite system for you and your fellows. Our friendly and skilled support team is ready to help you 24/7. We make the process of cryptocurrency exchange simple and convenient for everyone.

SoChain serves as a blockchain explorer that allows cryptocurrency enthusiasts to delve into the Bitcoin blockchain along with various other blockchains. In addition to exploration, SoChain provides APIs that facilitate development. Their swift blockchain API stands out as an affordable and user-friendly option for creating applications compatible with Bitcoin, Litecoin, Dogecoin, Zcash, and Dash. For those in the development community, SoChain also presents Test Networks, offering a sandbox environment to experiment and innovate. While currency transactions are the most recognized application of blockchain technology, there is a vast potential for future developments. SoChain is dedicated to empowering users to shape the future of blockchain technology. This API is not only fast but also available for free. Should you require additional features or have a substantial number of API calls to make, don’t hesitate to reach out—we're always ready to assist. Accessing the SoChain API is straightforward, and regardless of the programming language you prefer, you can easily interact with our REST API using any HTTP adapter. For Ruby or Ruby on Rails users, we suggest utilizing the HTTPClient gem for seamless integration, ensuring that developers have the tools they need for a smooth experience.

The first web-based real-time cryptocurrency price tracking app. Live updates from the exchanges allow you to monitor your portfolio 24/7. Our team set out to create the best web app to track our bitcoin and altcoin gains. You will be bombarded with advertisements from competitors advertising products that update every five minutes. Live Coin Watch prices change every few seconds. The market capitalization of a cryptocurrency is what determines its rank. This is calculated by multiplying the volume weighted average price of the cryptocurrency by its circulating supply. To be ranked, a coin/token must trade on at least two exchanges and three markets. Prices are pulled directly form exchanges. The volume weighted average global market pairs traded on spot markets with fees is used to calculate the price of a cryptocurrency. This means that the volume of a cryptocurrency is directly related to its influence on the global average price.

CoinGecko delivers a comprehensive analysis of the cryptocurrency market's fundamentals. Beyond monitoring price, trading volume, and market cap, it also assesses community expansion, open-source development efforts, significant events, and on-chain data. Additionally, CoinGecko features tools designed for crypto portfolio management, enabling traders to effectively oversee their cryptocurrency and DeFi investments. Furthermore, these resources help users make informed decisions and optimize their trading strategies.

Glassnode serves as a provider of blockchain intelligence and data, offering innovative metrics and tools tailored for those involved in digital assets. It effectively identifies peaks and troughs in the cryptocurrency market. As an on-chain data and intelligence platform, it features a live explorer that visually represents key on-chain metrics. Additionally, it boasts the most extensive library of sophisticated on-chain metrics spanning various assets. The platform provides contextualized and actionable insights, along with detailed reports and analyses, all derived from on-chain data. Integrating information from multiple blockchains requires significant operational investment, including time and resources, as well as a robust infrastructure of databases, analytical tools, and expert data scientists. Our elite team and advanced infrastructure enable a level of quality and scale achievable only through focused expertise. Consequently, Glassnode serves as an essential portal for exploring and understanding on-chain data. Ultimately, it empowers users to make informed decisions based on reliable data insights.

Crypto APIs is a blockchain infrastructure provider that makes developing and managing Web 3 solutions easy and efficient. The infrastructure suite includes The company's product suite includes Blockchain Data, Blockchain Events, Blockchain Automations, Blockchain Tools, Non-Custodial Wallets and Market Data. Developers access all tools with one seamless integration. They can deploy over 100 endpoints from a single provider by using just one SDK. The company's REST APIs work with multiple blockchain mainnets and testnets. They are suitable for building diverse solutions, including digital banks, exchanges, wallets, custodians, lending products, and more. Companies like Chainlink, Ledger, Nexo, PayPal, and Prime Trust are already using Crypto APIs. Customers love Crypto APIs' white glove support and robust features, calling Crypto APIs' products "reliable, effective, and fast". The company is ISO/IEC 27001:2013 certified - it incorporates advanced encryption and the highest security standards to protect customers' data and digital assets.

Anyblock offers a Software-as-a-Service (SaaS) solution that grants Blockchain JSON-RPC access for various cryptocurrencies, including Bitcoin and Ethereum. Our blockchain API is designed for speed and reliability, typically delivering query responses in under 100 milliseconds. To ensure optimal performance, we utilize a load-balanced system supported by multiple nodes. For Ethereum, we employ Parity/OpenEthereum and Besu clients. Our customer support is exceptional, providing prompt and personalized responses along with technical guidance that includes code samples. Additionally, we offer comprehensive documentation, covering everything from API details to tutorials and frequently asked questions. This combination of features ensures that users have the resources they need to succeed.

Monitor live indicators for significant shifts in on-chain, social, and development activities. Keep an eye on the leading emerging discussions across crypto social platforms, such as Telegram channels, crypto-focused subreddits, Twitter, and others. If you're looking to enrich your audience's understanding of crypto market events, our services empower content creators of all sizes to enhance their market analysis with robust data while uncovering fresh and unexplored narratives within the market. This approach not only broadens the perspective of market dynamics but also engages audiences with compelling insights.

Quantify Crypto provides technical indicators (MacD, RSI, BollingerBands, ATR) used successfully by professional traders for decades to identifying entry and exit points for stock, FX and commodities trading. We feel the cryptocurrency space is currently lacking with Technical Analysis websites and want to provide the tools currently used in traditional markets for the cryptocurrency space. The Most Powerful Crypto Screener An advanced web platform is necessary to track the quickly changing cryptocurrency market. Our coin screener is customizable and is the most interactive in the crypto space. It displays multiple coins and timeframes on a single screen. The “favorite coin” feature allows you to select the coins you want. Bullish and Bearish Signals Quantify Crypto delivers a web-based dashboard to monitor and visualize the real-time price trends as they occur. We provide these bullish and bearish signals for Bitcoin, Ethereum and the leading altcoins. Our Trend algorithm is specifically design for the highly volatile crypto market. Research shows that being on the correct side of significant price moves with the right risk/reward formula is critically important. Smartly Scaled Heatmaps - Best is class