Best Free Crypto APIs of 2025 - Page 2

NOWNodes is a robust RPC provider granting API access to Full and Archive Nodes across 110+ blockchain networks. It supports various protocols including Tendermint, Blockbook, and Index, with availability on both mainnets and testnets depending on the chain. The service delivers a reliable, scalable infrastructure with 99.95% uptime, ~0.6s response time, and capacity for over 15,000 transactions per second—ensuring developers uninterrupted access to accurate blockchain data.

Blockchair API provides developers, researchers, and businesses with access to data contained in 17 blockchains. The API supports numerous analytical queries like filtering, sorting, and aggregating blockchain data with high uptime. Blockchair is the first blockchain explorer which incorporates a multitude of different blockchains into one search engine. Unlike most blockchain explorers and cryptocurrency companies, Blockchair does not collect personal data, nor does Blockchair share it with third-party analytics companies and ad networks.

All cryptocurrency exchanges are consolidated under a unified API platform. CoinAPI serves as a reliable and swift source of standardized data APIs for cryptocurrency markets. As a comprehensive market data provider, we ensure the highest quality by meticulously verifying market symbol details and asset codes through human oversight. Our data is available on-demand via a well-documented HTTP RESTful API, offering outputs in JSON, XML, or CSV formats. For users needing real-time market data streaming, we facilitate access through WebSocket and FIX protocols. Additionally, we offer helper libraries for popular programming languages, allowing developers to concentrate on critical tasks rather than piecing together various components. This focus on usability makes our platform an ideal choice for anyone looking to efficiently integrate cryptocurrency market data into their applications. Regardless of your technical background, CoinAPI simplifies the process of accessing and utilizing market information effectively.

Streamline your portfolio management by using automated trading strategies. By linking Shrimpy to all your cryptocurrency exchange accounts, you can implement trading tactics that enhance performance while minimizing long-term risks. Effortlessly replicate the strategies of top crypto traders on the premier social trading platform designed for straightforward portfolio management. Regardless of your level of expertise in cryptocurrency, Shrimpy offers tools to help you develop a robust portfolio strategy, assess performance, and keep an eye on market trends. From its inception, Shrimpy has prioritized your security, ensuring that every API key is encrypted and stored using FIPS 140-2 compliant hardware security modules (HSMs) to safeguard the confidentiality and integrity of your exchange API keys. Shrimpy only requires access to read data and execute trades, meaning that your assets remain safe and cannot be withdrawn from the exchange. To further enhance security, we highly recommend that all users enable our Two-Factor Authentication (2FA) service, which adds an extra layer of protection to your account access. With these features, you can trade with confidence and focus on growing your investments.

Fixer offers a straightforward and efficient API for accessing both current and historical foreign exchange rates. Every day, thousands of developers, small and medium-sized businesses, and major corporations rely on Fixer.io for their forex needs. With over six years of expertise and dependable data sources, Fixer stands out as the leading choice for real-time exchange rate information. Our commitment at Fixer centers around developers, ensuring that our API is supported by comprehensive documentation, user-friendly code examples, and an easy-to-navigate structure that allows for implementation in less than ten minutes. The API provides real-time exchange rate data for 170 different currencies, refreshing every minute. Additionally, Fixer guarantees high availability, accommodates scalable requests, and maintains rapid response times within milliseconds. The currency information provided by Fixer is obtained from reputable financial data providers and banks, such as the European Central Bank. Our API documentation is filled with clear instructions and practical examples to facilitate swift integration at any development level. Furthermore, the connection to the Fixer API is secured with advanced 256-bit SSL encryption, ensuring the safety of your data. This dedication to security and usability positions Fixer as a top-tier choice for developers seeking reliable forex solutions.

Develop trading models, backtest strategies, or seamlessly incorporate SanAPI into your application. This comprehensive solution offers a singular source for crypto market data, featuring a lightning-fast API that delivers both current and historical information. Data is aggregated from over 1500 social media platforms, including Twitter, Telegram, Reddit, and others, ensuring a rich dataset. With a versatile GraphQL interface, you can customize your data queries to meet specific requirements, complete with built-in validation and type checking. The Python Library allows for easy integration of SanAPI into your Jupyter Notebook with minimal coding. Our focus on behavioral analytics within the crypto market helps users gain deeper insights. Since our inception, we have been driven by a clear goal: to eradicate information asymmetry within the cryptocurrency landscape. While blockchain technology is revolutionizing various sectors, there remains a significant gap in reliable, actionable insights regarding the crypto industry and its key players. Our objective is to filter out irrelevant information and deliver data-driven analyses concerning cryptocurrency networks, blockchain projects, crowd sentiment, and overall market dynamics, ultimately enhancing decision-making for all stakeholders involved.

WatchData offers easy and dependable API access to the Ethereum blockchain. Some of the key benefits of using WatchData include its consistent data reliability, seamless connectivity without interruptions, and the ability to automate processes efficiently. Additionally, it supports high usage limits to accommodate all users and provides compatibility with multiple nodes. Resource scaling is also available, along with impressive processing speeds that enhance the overall user experience. These features make WatchData an attractive choice for those needing robust blockchain solutions.

Vezgo offers one API to integrate with every Digital Asset. Whether you want to get access to data on Centralized Exchanges, Decentralized Wallets, NFTs or the Blockchain, Vezgo's API will provide a simple integration to allow your users to connect all their Web3 accounts. Vezgo bridges Web2 data into your Web2 use case. It's a simple API that will consolidate and aggregate your user's full balances, positions and transactions in a normalized and standardized data set you can use in your existing Web2 applications.

Bitcoin offers a groundbreaking payment layer designed for immediate transactions and reduced fees, ensuring that your assets are protected through robust cold storage solutions developed to industry standards. By entrusting us with your payment processing, you can concentrate on growing your business while remaining unconcerned about market volatility. Our innovative Bitcoin payment protocol significantly reduces the risk of fraudulent transactions. You can easily send and receive payments on any device, making it adaptable to various industries around the globe. If you require assistance or have questions, our dedicated team is here to support your business whenever necessary. Setting up to receive bitcoin and stablecoin payments only takes a few minutes, and you can choose to integrate through our user-friendly API or utilize a range of plugins compatible with popular eCommerce platforms. Create an account today and begin accepting payments right away; our API is specifically designed to facilitate a swift and hassle-free setup. Soon, you'll be able to process payments and distributions globally via the Lightning Network, opening up new opportunities for your enterprise. With our service, you'll not only enhance your payment capabilities but also enjoy peace of mind through secure transactions.

A Javascript library that allows for simplified interaction with advanced commands on growing numbers of cryptocurrency exchanges and financial apps. Interoperability and simplified exchange commands All developers, traders, financial analysts and data scientists can access PENDAX, our underlying high-frequency trading engine. It allows for easy access to a variety different use cases that revolve around data deployments and trading. Summary of Current Feature - All supported platforms have full public and private HTTP REST APIs that can be used for secondary deployment. PENDAX is extremely easy to integrate because the aggregations of commands are normalized across systems in the unified package. All supported exchanges include WebSocket and live-data capabilities. PENDAX Professional is available without a subscription.

BlockSpan serves as an NFT API platform tailored for software companies engaged in blockchain development. By consolidating information from various blockchain networks, we offer a streamlined API that enables NFT developers to access real-time data such as token prices, ownership status, and metadata, including pre-cached images. Transitioning between multiple blockchains or utilizing different chains doesn't have to be a cumbersome process; instead of laboriously scraping block logs, you can effortlessly implement a straightforward REST API integration. Our API provides more than just transactional information; it also delivers details on pricing, current ownership, and extensive metadata. Currently, our platform supports Ethereum, Polygon, Arbitrum, and Optimism, with additional blockchain integrations on the horizon. We have also created comprehensive documentation for every endpoint, which features an interactive API console to enhance usability. Moreover, our NFT API is designed to include token metadata and cached image URLs, effectively reducing the need for multiple API and IPFS calls to gather that information. With such functionality, developers can focus on building innovative applications without the hassle of backend complexities.

We are a data company specializing in an API-first approach for cryptoassets, focusing on delivering high-quality market data APIs tailored for institutional investors and exchanges in the cryptocurrency space. Our suite of products and services enables funds, fintech applications, and exchanges to obtain pristine, normalized, and uninterrupted primary source trade and order book data. Our mission is to expand the decentralized financial ecosystem by making it more accessible and comprehensible for data-driven investors. We aim to index 95% of the available trade, order book, and on-chain transaction data for tokenized assets, which encompasses security tokens, tokenized funds, indexes, derivatives, real estate investment trusts (REITs), and of course, cryptocurrencies. Our communication style is concise and clear, ensuring that our objectives are well understood. We prioritize active listening and strive to comprehend fully before responding, maintaining a composed demeanor even in challenging situations, which helps us achieve clearer insights. Additionally, we are committed to providing honest feedback to our colleagues, fostering an environment of openness and proactive information sharing. This approach not only enhances collaboration but also strengthens our overall team dynamics.

Coinpath® is a comprehensive suite of APIs designed for tracing blockchain transactions, utilizing advanced mathematical algorithms to analyze the movement of funds between various blockchain addresses. By employing heuristics and machine learning techniques, Coinpath® effectively identifies clusters, monitors transaction flows, and assesses account balances. These APIs serve as a crucial component for a variety of blockchain investigation and compliance applications. With Coinpath®, users can trace monetary movement for any given source and destination, construct visual representations of money flow, and consolidate transfers to specific addresses. The tool allows for the identification of the source and endpoint of transactions, as well as insights into transaction amounts and pathways. Additionally, Coinpath® generates a visually coherent data graph that illustrates the flow of funds by examining wallet transactions and associated addresses, clearly mapping the journey of money from its origin to various cryptocurrency services and Virtual Asset Service Providers (VASPs). This cutting-edge blockchain forensic technology plays an essential role in overseeing customer deposits and withdrawals, particularly in identifying "tainted" coins linked to illicit activities such as money laundering and financing terrorism, thereby enhancing overall financial security. In summary, Coinpath® not only aids in compliance efforts but also strengthens the integrity of blockchain transactions.

MyToken stands out as a comprehensive cryptocurrency platform, offering users a wide array of services, including global cryptocurrency access, real-time market tickers, charts, and data analysis features such as rankings, ratings, and wallet management, along with the latest industry news. This platform's goal is to consolidate crypto market data from multiple exchanges to foster a robust investment environment. By delivering the most impartial data, insights, and tools, MyToken empowers investors to gain a deeper understanding of the blockchain landscape and its various projects. The integration of data, user-generated content, community engagement, and ecosystem services significantly lowers the costs associated with decision-making. Our vision is to establish an innovative ecosystem for cryptocurrency investments that adapts to the fast-evolving market. As we expand our presence on a global scale, we remain committed to enhancing the investment experience for all users.

The 1inch Developer Portal, powered by the 1inch Labs, is a cloud SaaS (software as a service) platform for Web3 tools and services. The platform offers multiple advantages. The 1inch Aggregation Protocol facilitates price transparency and access to practically unlimited liquidity on many blockchains. Meanwhile, the Pathfinder algorithm discovers the most efficient paths for token swaps, enabling splits between different protocols and gas optimization to ensure the best possible swap rates. Another major advantage of 1inch APIs is a very short response time of below 400 ms, which is one of the best offerings on the market. Thanks to innovative gas optimization features, developers integrating 1inch APIs can offer their users substantial gas savings. Finally, 1inch APIs provide aggregated market data for self-custodial order executions. The currently available APIs are: Swap, Balance, Transaction Gateway, Orderbook, Traces, Fusion, Spot Price, Token, Portfolio, NFT, Gas Price.

CryptoCompare serves as a leading source for transparent and succinct information, delivering an unparalleled range and depth of data that connects the cryptocurrency realm with traditional financial markets. As a worldwide provider of cryptocurrency market data, it equips both institutional and retail investors with access to real-time, high-quality, and dependable market and pricing information covering over 5,300 coins and more than 240,000 currency pairs. By collecting and examining tick data from well-known exchanges, and effectively merging various datasets related to cryptocurrency prices, CryptoCompare offers a thorough and integrated perspective on the market. On a detailed level, the platform generates an array of resources, including cryptocurrency trade data, order book information, blockchain insights, historical data, social media statistics, analytical reports, and a diverse set of cryptocurrency indices, ensuring that users have access to an extensive suite of tools for their investment needs. This extensive dataset not only aids in informed decision-making but also enhances the overall understanding of market trends and dynamics.

Our collection of highly available APIs and developer resources ensures that you have swift and dependable access to the Cardano network, allowing you to concentrate on the development and expansion of your products. Streamline your efforts by connecting your application with just a single line of code, eliminating the need for complex setups or syncing. We strive to deliver the most user-friendly and trustworthy Cardano infrastructure, enabling you to dedicate more time to engaging with your users and addressing their needs. Leverage the capabilities of our cloud-hosted, globally distributed node network, which significantly reduces the burden of managing your own computing and storage, thereby making it easier for both developers and businesses to get started. Our intuitive dashboard presents you with clear insights into your application's performance and API usage, allowing you to explore detailed analytics related to specific request methods, response times, frequently accessed endpoints, usage fluctuations throughout the day, and geographic data. With these valuable insights at your disposal, you can enhance your application’s efficiency and gain a deeper understanding of your user base, ultimately driving your success forward. This combination of robust tools and analytics positions you to create innovative solutions that truly resonate with your audience.

Stocra offers a cryptocurrency API that allows users to retrieve transaction data from various blockchains in a consistent format. By utilizing this service, you can seamlessly access transactions from Bitcoin, Ethereum (which encompasses ERC-20 transfers), Cardano, Dogecoin, Litecoin, and Aptos without the hassle of dealing with different blockchain-specific parsers. This unified approach simplifies the process of managing and analyzing cryptocurrency transactions across multiple networks. Now you can focus on your project without worrying about the intricacies of each blockchain's data structure!

CoinMarketRate serves as a valuable platform for real-time monitoring of cryptocurrency exchange rates, featuring prominent currencies like Bitcoin and Ethereum among many others. Users can keep track of a wide array of coins, from well-established cryptocurrencies to emerging projects that show great potential. The initiative behind CoinMarketRate was launched by a dedicated team boasting over seven years of expertise in blockchain technology, comprised entirely of crypto enthusiasts eager to contribute to this evolving narrative. What motivated us to establish CoinMarketRate? The exchange rates of cryptocurrencies represent critical information in the financial landscape, and consolidating all this data in one location is a challenging yet intriguing endeavor we have embraced. Our ultimate ambition is to create a platform that not only meets user needs but also stands out competitively in the global cryptocurrency market, ensuring we remain a significant player in this dynamic industry.