List of the Top 25 Blockchain APIs for Ethereum in 2025

Trusted by 400+ institutions, we support over $110B in digital assets through secure blockchain infrastructure—spanning nodes, APIs, staking services, and MPC wallet technology. Since 2017, our globally distributed systems have delivered enterprise-grade scalability, security, and compliance for the world’s leading financial and crypto platforms.

Coinbase is recognized as the most user-friendly platform for acquiring, trading, and managing your cryptocurrency portfolio. To sweeten the deal, new users can begin their crypto adventure with a $20 Bitcoin bonus upon signing up, after they make their first $20 purchase. Dive into the complexities of various cryptocurrencies while also having the chance to experiment with them firsthand. With its multifaceted features, Coinbase is an excellent entry point for anyone eager to start trading. You can seamlessly buy and sell popular digital currencies while tracking them all from a single dashboard. Moreover, you can implement a gradual investment strategy by setting up recurring purchases on a daily, weekly, or monthly schedule. For greater peace of mind, users have the option to safeguard their assets in a secure vault that includes time-locked withdrawals. Keep abreast of market developments through the Coinbase mobile app, which is accessible on both Android and iOS platforms. Most digital currencies are stored offline, enhancing their protection. Furthermore, cryptocurrency held on Coinbase servers is backed by extensive insurance to further ensure its safety. Catering to a broad spectrum of well-known digital currencies, Coinbase proves to be a flexible option suitable for investors of all levels. This platform not only empowers beginners but also offers advanced tools for experienced traders looking to optimize their strategies.

QuickNode streamlines blockchain infrastructure for both large and small teams. It offers a rapid global API that provides immediate access to a variety of networks, including Ethereum, Solana, Bitcoin, Polygon, BSC, Fantom, Avalanche, Terra, Celo, Optimism, Arbitrum, Algorand, Harmony, and Gnosis (xDai). Users can retrieve chain data through JSON-RPC via HTTPS or WebSocket endpoints. Additionally, an analytics dashboard allows for usage monitoring, while fast deployment tools like one-click WebHooks enhance efficiency for smart contract events, NFT, and ERC20 token APIs. With thousands of nodes successfully launched and a reputation for reliability among leading blockchain projects and businesses, QuickNode has been a pivotal force in the growth of the blockchain ecosystem since its inception in 2017. Its commitment to innovation continues to empower developers and foster new opportunities within the space.

Venly is a provider of blockchain technology that develops innovative tools and products aimed at helping businesses harness the power of blockchain. We deliver a comprehensive technology stack that facilitates the transition of platforms, applications, and brands into the Web3 landscape. By offering marketplaces, wallets, and NFT solutions, we guide businesses in seamlessly adopting Web3 technology and engaging their customers. Our user-friendly solutions leverage a familiar Web2 interface, making the integration of blockchain straightforward for both developers and end-users. Venly actively promotes blockchain adoption by delivering dependable and accessible software solutions, ensuring that the technology is within reach for all. Our offerings encompass a variety of products, including: WALLET SOLUTIONS → Provide instant Web3 wallets for your user base. NFT TOOLS → Access a comprehensive toolkit for all your NFT needs. MARKETPLACE SOLUTIONS → Create an NFT marketplace designed for mainstream users. SHOPIFY NFT APP → Easily sell NFTs directly through your Shopify store. WEB3 GAMING TOOLKIT → Equip your game to be ready for the Web3 environment, enhancing player experiences. We strive to empower businesses to embrace this revolutionary technology confidently.

GetBlock is a Blockchain-as-a-Service (BaaS) platform that offers a quick and straightforward API connection to full nodes across more than 50 prominent blockchain platforms. Users can effortlessly request data from a node's chain without the need to configure it manually using JSON-RPC or REST protocols. This service caters perfectly to newcomers and emerging entrepreneurs, in addition to crypto developers and everyday users. It is particularly beneficial for individuals lacking the time or resources to maintain their own full node. To begin utilizing GetBlock, simply register for an account; upon doing so, you'll receive an API key along with the necessary information accessible through your dashboard. Moreover, the platform's user-friendly interface ensures a seamless experience for all users.

Discover the premier solution for acquiring, managing, and leveraging cryptocurrencies. This intuitive and highly effective wallet allows users to evolve from complete beginners to crypto aficionados in mere moments. Begin by verifying your identity, connecting a payment method, and start accumulating a variety of cryptocurrencies. Rest assured that your funds are solely under your control, as we do not retain any access to your assets. Moreover, you can enhance your investment by depositing your cryptocurrencies into an interest-earning account, allowing your wealth to grow. Effortlessly convert your digital currencies into cash or exchange them for others with remarkable efficiency. Our dedicated customer service is available for direct assistance on the Exchange platform at any hour of the day. We provide powerful APIs, including Web Socket, REST, and binary options, specifically designed for different categories of professional users. Whether you're looking to verify transactions, analyze the market, or deepen your understanding of cryptocurrencies, we cater to exchanges, data analysts, and enthusiasts alike. Our platform offers in-depth insights, including Hashrate metrics and mining information, ensuring you are well-informed. Stay updated with real-time prices, charts, and vital market indicators to aid in making informed investment choices. Embrace the cryptocurrency landscape with confidence and simplicity as you tap into the complete capabilities of your digital asset portfolio, paving the way for future financial opportunities.

Manage your cryptocurrency investments effectively with an all-encompassing portfolio tracker that offers features for tagging and annotating addresses and transactions, in addition to providing notifications and accounting functionalities. You can keep an eye on any Ethereum address's portfolio through intricate balance charts and transaction histories, allowing you to track daily balances, trading volumes, and transfers for every token. The tool makes it easy to effortlessly tag and annotate transactions, addresses, or tokens, providing a user-friendly experience for managing your digital assets without requiring any registration. You also have the option to export your transaction history linked to any address or tags in a CSV format, including historical pricing data. Explore marketing opportunities with the token API and take advantage of display widgets for better visibility. This platform allows for the tracking of an unlimited number of Ethereum addresses and tokens, featuring an advanced Bulk API monitor. It acts as a centralized hub for exploring the Ethereum blockchain, giving you access to your historical holdings in USD. In addition, you can receive instant updates through email or Telegram for any transactions related to the addresses you are tracking. No matter if you're a veteran investor or just starting out in cryptocurrency, this platform provides a powerful solution for managing your assets effectively while ensuring you stay informed about your investments. With its intuitive design and comprehensive features, you'll find it easier than ever to navigate the complexities of the crypto market.

Crypto APIs serves as a provider of blockchain infrastructure, simplifying the process of developing and managing solutions for Web 3. The company offers a comprehensive suite of products that encompasses Blockchain Data, Blockchain Events, Blockchain Automations, Blockchain Tools, Non-Custodial Wallets, and Market Data. By utilizing a single seamless integration, developers can access all these tools, enabling them to deploy over 100 endpoints from one provider with just one SDK. Their REST APIs are compatible with various blockchain mainnets and testnets, making them suitable for a wide range of applications, such as digital banks, exchanges, wallets, custodians, and lending products, among others. Notable companies, including Chainlink, Ledger, Nexo, PayPal, and Prime Trust, have already integrated Crypto APIs into their operations. Customers frequently praise the company's white glove support and robust features, describing their offerings as "reliable, effective, and fast." Furthermore, Crypto APIs holds an ISO/IEC 27001:2013 certification, which ensures that they adhere to the highest security standards and incorporate advanced encryption to safeguard customer data and digital assets. This commitment to security and efficiency continues to attract a growing number of businesses in the blockchain space.

Anyblock offers a Software-as-a-Service (SaaS) solution that delivers Blockchain JSON-RPC access for various platforms including Bitcoin and Ethereum. Our blockchain API is designed for speed and dependability, with query responses typically under 100 milliseconds. We ensure optimal performance through load balancing across multiple nodes. For Ethereum clients, we support both Parity/OpenEthereum and Besu, providing exceptional customer service. Users can expect quick and personalized responses, along with technical guidance that includes code samples. Additionally, we offer comprehensive documentation that encompasses API details, tutorials, FAQs, and more, enabling users to navigate our services with ease. This extensive support structure is designed to enhance user experience and foster a deeper understanding of our offerings.

With access to over 110 blockchain networks, NOWNodes offers developers fast and secure API connectivity to both Full and Archive Nodes. Whether you're building on a mainnet or testnet, NOWNodes supports a wide range of interfaces like Tendermint, Blockbook, and Index to meet your integration needs. Designed for performance and reliability, the platform boasts 99.95% uptime, lightning-fast ~0.6 second response times, and can process more than 15,000 transactions per second—providing the solid infrastructure your project can rely on.

The Blockchair API offers a wealth of information from 17 different blockchains for developers, researchers, and businesses alike. This robust API enables users to perform a variety of analytical functions such as filtering, sorting, and aggregating blockchain data while maintaining high availability. Pioneering in its approach, Blockchair stands out as the first blockchain explorer to unify multiple blockchains under a single search platform. In contrast to many other blockchain explorers and cryptocurrency firms, Blockchair prioritizes user privacy by not collecting or sharing personal data with external analytics or advertising networks. This commitment to data protection further establishes Blockchair as a trusted resource in the blockchain ecosystem.

InfStones, a prominent company within the Softbank portfolio, is a sophisticated Platform as a Service (PaaS) provider for blockchain infrastructure, operating out of the United States with the backing of notable venture capitalists. This organization has earned the confidence of leading blockchain enterprises worldwide, such as Binance, BitGo, CoinList, Circle, and several others. Committed to facilitating blockchain adoption and the development of Web3 applications, InfStones offers a robust node management platform coupled with a user-friendly API, designed for developers across the globe. Their platform has been tested in real-world scenarios, boasting support for over 15,000 nodes across more than 60 different blockchains. Known for its incredible reliability, speed, efficiency, security, and scalability, the infrastructure is tailored specifically for cross-chain DeFi, NFTs, GameFi, and decentralized application development. Developers leverage this AI-enhanced platform to seamlessly interact with more than 50 prominent blockchain protocols, continually redefining the landscape of global innovation. InfStones has established itself as a trusted partner for some of the largest players in the blockchain industry, emphasizing their pivotal role in the future of technology. By fostering an environment conducive to innovation, InfStones is paving the way for the next generation of digital solutions.

You have the ability to develop blockchain and digital asset solutions without needing to build everything from the ground up. By starting with a small-scale implementation, you can swiftly transition to full production. There is a wide selection of cloud services, hybrid deployment choices, geographical locations, protocols, and consensus mechanisms available at your fingertips. This user-friendly approach simplifies blockchain integration, enabling you to expedite the creation and launch of your decentralized applications (dApps). The platform features an intuitive interface designed to oversee every aspect of your blockchain networks and operating environments. Additionally, automated tools and workflows facilitate the scaling of your business network and the onboarding of new participants. Each participant is tasked with the management of their own key materials, data, and nodes, ensuring security and autonomy. You can effectively expand your network using either a single proxy operator or through distributed ownership among participants. Furthermore, the system allows you to oversee networks, memberships, users, and environments with ease, ensuring a seamless management experience. This comprehensive capability encourages innovation and growth in the blockchain space.

A single line of code can significantly enhance your development journey with the most powerful blockchain developer platform, which is trusted by 70% of the top Ethereum applications globally. Alchemy Supernode distinguishes itself as the leading Ethereum API, providing all the core functionalities of a node, including JSON-RPC support, while ensuring exceptional reliability, data precision, and scalability that are essential for building high-quality blockchain applications. With Alchemy Build, developers benefit from an intuitive, no-setup-required toolkit that allows for rapid prototyping, debugging, and product launch. Effortlessly navigate through millions of historical requests, track live transactions in the mempool, perform JSON-RPC calls directly from the dashboard, and quickly pinpoint recent requests along with any errors that may have occurred. Alchemy Monitor further enriches this experience by offering a comprehensive suite of dashboards and alerts that focus on application health, performance metrics, and user interactions. You can conveniently evaluate the status of all your applications in one unified platform, gain insightful user analytics while ensuring their privacy, and receive timely notifications regarding significant changes. This formidable collection of tools empowers developers to efficiently create and oversee successful blockchain initiatives, making them more competitive in the fast-evolving digital landscape. Ultimately, Alchemy's offerings enable teams to innovate without the constraints that typically hinder progress in blockchain development.

WatchData provides straightforward and reliable API access to the Ethereum blockchain, making it a valuable resource for developers. Noteworthy advantages of utilizing WatchData include its unwavering data consistency, uninterrupted connectivity, and the capacity to automate tasks effectively. Furthermore, it accommodates high usage thresholds to serve a wide range of users and ensures compatibility with various nodes. The platform also offers resource scaling options and boasts impressive processing speeds, significantly improving the user experience. With these compelling features, WatchData stands out as a top option for individuals seeking strong blockchain solutions, particularly in a rapidly evolving digital landscape.

BlockSpan is an all-encompassing NFT API platform designed specifically for software companies involved in blockchain projects. By aggregating data from a variety of blockchain networks, we provide an API layer that enables NFT developers to retrieve real-time updates on token values, ownership information, and metadata, including cached images. Switching between different blockchains or chains is a seamless experience, removing the need for tedious block log scraping; instead, developers can easily utilize a straightforward REST API integration. Our offerings extend beyond just transaction data, furnishing insights into pricing, up-to-date ownership, and detailed metadata. We currently support networks such as Ethereum, Polygon, Arbitrum, and Optimism, with intentions to broaden our services in the near future. Additionally, we offer comprehensive documentation for each endpoint, supplemented by an interactive API console that enhances user experience. Furthermore, our NFT API not only provides detailed token metadata but also includes cached image URLs, which greatly minimizes the requirement for extra API and IPFS calls to collect that data, thus optimizing the development workflow for our users. This focus on efficiency and user-friendliness is what sets BlockSpan apart in the NFT landscape.

Launch your NFT application in mere hours instead of the typical months it takes, as we tackle the intricate NFT infrastructure so you can prioritize refining your application. Tailored specifically for developers by individuals who comprehend their challenges, our service alleviates the burdens of mastering complex technologies like Solidity, Web3.js, GraphQL, nodes, and IPFS. Many development teams often find that 25-50% of their engineering resources are squandered on managing nodes and creating indexers, which only replicate existing solutions. Furthermore, dependence on slow and heavily rate-limited APIs can hinder your advancement in a competitive market, threatening both user loyalty and revenue streams. By simplifying these daunting tasks, we enable you to channel your efforts into innovation and expansion, ensuring your project thrives in today’s fast-paced environment. This approach not only saves time but also enhances productivity, allowing for a more agile response to market demands.

OnFinality serves as a comprehensive blockchain infrastructure platform that streamlines the development process for web3 builders, ultimately saving them valuable time and simplifying their workflows. With scalable API endpoints tailored for major blockchain networks, OnFinality enables developers to effortlessly automate the testing, deployment, scaling, and monitoring of their blockchain nodes in just a few minutes. Having successfully managed over 300 billion RPC requests across 70 different networks, which encompass well-known platforms like Polkadot, Ethereum, Moonbeam, and Astar, OnFinality is continuously enhancing its essential services for developers. This relentless expansion allows creators to accelerate their efforts in shaping a decentralized future. By leveraging OnFinality, you gain a smarter approach to blockchain development and innovation.

To tackle the issues of reliability and performance in the Web3 space, we harness the power of various third-party node providers in combination with an advanced decentralized blockchain API platform to significantly improve user interactions. By doing so, developers can initiate their projects on key blockchain ventures within the Web3 ecosystem without unnecessary delays. Our commitment to offering one of the most resilient decentralized infrastructure solutions, paired with swift response times, is realized through the use of clustering techniques and the strategic geographical placement of third-party nodes, enabling Web3 developers to effortlessly fulfill their infrastructure needs and focus on creating applications. The scaling process is efficiently managed as we continue to onboard additional node providers into our expanding network. We guarantee optimal performance from our nodes by conducting regular assessments and enforcing penalties for those that do not meet established criteria, which may include the slashing of staked tokens or removal from our network. This all-encompassing strategy not only enhances reliability but also creates a more efficient environment for every participant in the Web3 domain, ultimately leading to improved outcomes for all users involved. By prioritizing these initiatives, we are paving the way for a more robust future in decentralized technology.

Coinpath® is an all-encompassing suite of APIs crafted for the purpose of tracing blockchain transactions, employing sophisticated mathematical algorithms to scrutinize the flow of funds across different blockchain addresses. Utilizing a combination of heuristics and machine learning methods, Coinpath® proficiently uncovers clusters, tracks transaction patterns, and evaluates account balances. These APIs are vital for a broad range of blockchain investigation and compliance tasks. With Coinpath®, users have the ability to follow the financial movement between specified sources and destinations, create visual depictions of monetary flows, and aggregate transfers directed to particular addresses. This tool facilitates the identification of both the origin and destination of transactions, while also providing detailed insights into transaction amounts and routes taken. Furthermore, Coinpath® produces a visually coherent data graph that delineates the fund flow by analyzing wallet transactions and their related addresses, effectively mapping the trajectory of money from its source to various cryptocurrency services and Virtual Asset Service Providers (VASPs). This innovative blockchain forensic technology is crucial in monitoring customer deposits and withdrawals, especially when it comes to detecting "tainted" coins associated with illegal activities, including money laundering and terrorist financing, thereby improving financial security. In essence, Coinpath® not only supports compliance initiatives but also bolsters the overall reliability of blockchain transactions, making it an invaluable tool for businesses and investigators alike.

When your spending on a blockchain API infrastructure surpasses $2,000 and you are handling a high volume of requests each second, finding ways to cut costs becomes essential. Our services are designed to provide swift access to blockchain infrastructure through a JSON-RPC endpoint that is customized for your secure environment. How can RPC Fast, which consists of a self-managed cluster with geographically distributed blockchain nodes, support you in optimizing your expenditures? - Our infrastructure is remarkably efficient, featuring over 90 distributed zones with nodes that consistently maintain a 100% operational health rate. - We promise an impressive uptime of 99.99% along with an average latency of merely 85.6 milliseconds from nearly any location. - Central to our offerings is PredictKube, an AI-based model that predicts traffic trends and automatically fine-tunes infrastructure capabilities according to your historical data and business metrics. - Furthermore, our self-hosted solution ensures the highest level of security for your blockchain operations, safeguarding them while you strive to reduce costs. With these advanced features in place, you can significantly boost your performance while successfully managing your financial outlay, ultimately leading to a more efficient and cost-effective blockchain infrastructure.

A groundbreaking approach to cross-chain interactions that effortlessly links users to various applications has emerged. This innovation offers end-users access to the quickest and most economical bridging options, while developers enjoy a more efficient interoperability process. Cross-chain Intents serve as both a limit order and an action to be performed, effectively substituting explicit steps with desired user outcomes. This shift enables relayers to compete for optimal execution paths, enhancing efficiency. In contrast to intricate trusted messaging frameworks, Across facilitates connections between users and dapps via intents, rather than merely bridging different blockchains. For developers, incorporating a standard action into protocol operations is all that is required to deliver fluid experiences across multiple chains. Ultimately, this new model not only simplifies user interactions but also fosters innovation in the development of cross-chain applications.

Amazon Managed Blockchain is an all-encompassing service aimed at easing the process of creating and overseeing scalable blockchain networks, leveraging established open-source frameworks like Hyperledger Fabric and Ethereum. This innovative technology facilitates the development of applications in which multiple participants can execute transactions autonomously, thereby removing the need for a central authority to establish trust. At present, the task of setting up a scalable blockchain network using conventional solutions is frequently complex and difficult to manage. Typically, each participant must undertake a manual process that includes hardware setup, software installation, generation and management of access control certificates, and configuring various components of the network. With Amazon Managed Blockchain, expanding your blockchain network to meet rising application demands is rendered straightforward. If a network member requires additional capacity to handle and validate transactions, they can quickly introduce a new peer node via Managed Blockchain's intuitive APIs. Consequently, this service not only simplifies the management of blockchain networks but also guarantees that they can respond adeptly to evolving requirements, promoting a more efficient and flexible operational environment. As businesses increasingly seek to leverage blockchain technology, solutions like Amazon Managed Blockchain will play a pivotal role in their successful implementation.

Our aim is to empower the next generation of innovators by providing a robust and comprehensive data framework designed specifically for the entirety of the blockchain ecosystem. Engage with and contribute to an extensive array of blockchain data available online. Aggregate historical balances, positions, and profit and loss from various DeFi platforms to craft captivating and interactive experiences for your users. Create sophisticated analytical dashboards that represent trends in asset prices, liquidity levels, and returns on investment. Leverage our quick start guides, instructional manuals, sample code, and additional resources, which facilitate the effortless integration of blockchain data into your projects using the Covalent API. Covalent presents a unified API that guarantees comprehensive transparency and insights regarding assets across different blockchain networks. Essentially, we provide a singular API that allows you to access detailed and granular information on blockchain transactions from multiple blockchains without the need for any coding skills. This user-friendly approach ensures that developers can easily tap into and utilize blockchain data within their applications, fostering innovation and creativity in the space. With our tools, the potential for new ideas and projects is limitless.

Etherscan is recognized as the leading Blockchain Explorer, search tool, API, and analytics platform tailored for Ethereum, a decentralized platform that facilitates smart contracts. Founded in 2015, it has been one of the earliest and most resilient independent initiatives focused on Ethereum and its surrounding ecosystem, striving to provide equitable access to blockchain data for all users. This dedication to openness and user-friendliness has reinforced its standing in the cryptocurrency community, making it an invaluable resource for those seeking to navigate the complexities of blockchain technology. Etherscan continues to evolve, adapting to the changing landscape of Ethereum and enhancing its features to better serve its growing user base.