Best Blockchain APIs for Ethereum

Blockdaemon: Leading the way in enterprise blockchain solutions. Trusted by 300+ institutions, powering 100k+ nodes, backed by $390M. Choose us for innovation that delivers results!

Coinbase stands out as the simplest platform for purchasing, trading, and overseeing your cryptocurrency investments. As a welcoming incentive, you can kick off your crypto journey with a bonus of $20 in Bitcoin upon your first $20 transaction, subject to certain conditions. Learn about the intricacies of various cryptocurrencies while sampling a selection of them yourself. With diverse functionalities, Coinbase proves to be an ideal starting point for anyone looking to engage in trading. Effortlessly buy and sell widely recognized digital currencies and monitor them within a single interface. You can also adopt a gradual investment approach by scheduling purchases on a daily, weekly, or monthly basis. For enhanced security, you have the option to keep your assets in a vault that features time-delayed withdrawals. Stay updated with market trends using the Coinbase mobile application, available for both Android and iOS devices. Most digital assets are secured in offline storage, ensuring their safety. Additionally, cryptocurrency held on our servers benefits from comprehensive insurance coverage. Coinbase caters to a wide array of popular digital currencies, making it a versatile choice for all types of investors.

QuickNode simplifies blockchain infrastructure for teams big & small. A lightning-fast global API provides instant access to Ethereum, Solana, Bitcoin, Polygon, BSC, Fantom, Avalanche, Terra, Celo, Optimism, Arbitrum, Algorand, Harmony & Gnosis (xDai) networks. Access chain data via JSON-RPC over HTTPS or wss (websocket) endpoints. Monitor usage with analytics dashboard and ship faster with tools like 1-click WebHooks for smart-contract events, NFT, and ERC20 token APIs. Thousands of nodes launched; trusted by top blockchain projects & businesses; QuickNode is helping the blockchain ecosystem grow since 2017!

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

GetBlock is a Blockchain-as-a-Service (BaaS) platform that provides a fast and easy API connection to full nodes from 50+ leading blockchain platforms. It allows you to request information on a node's chain without having to manually set it up with JSON-RPC or REST. This service is ideal for beginners and young entrepreneurs, as well for crypto developers and users. It is also suitable for those who do not have the resources or time to run their own full node. Register an account to get started with GetBlock. You will receive an API key and the relevant data on the dashboard.

Experience the leading method for purchasing, managing, and utilizing cryptocurrencies globally. Our cryptocurrency wallet stands out as both powerful and user-friendly, allowing users to transition from novice to crypto enthusiast in just a few minutes. Simply verify your identity, link a payment option, and start acquiring digital currencies. Your funds remain secure, accessible solely by you—our platform has no access. You can also deposit your cryptocurrencies into an interest-bearing account and watch your assets grow over time. Effortlessly convert your digital currencies into cash whenever needed. Instantly swap one cryptocurrency for another with ease. Additionally, you can communicate directly with customer support on Exchange at any time. We provide Web Socket, REST, and binary APIs tailored for various professional needs. Whether you want to validate transactions, delve into market analysis, or expand your knowledge of cryptocurrencies, we have you covered. Our resources have empowered exchanges, data analysts, and enthusiasts alike. From mining data to block details, we offer comprehensive information. Stay updated with the latest pricing, charts, and essential market indicators for informed trading decisions.

Keep track of your cryptocurrency investments with a comprehensive portfolio tracker that includes tagging and noting features for addresses and transactions, along with watch service notifications and crypto accounting capabilities. Monitor any Ethereum address's portfolio through detailed balance charts and transaction histories, allowing you to see daily balances, trading volumes, and transfers for each token. You can tag and annotate transactions, addresses, or tokens effortlessly, making it a convenient tool for managing your crypto finances without the need for registration. Additionally, you can export your transaction history tied to any address or tags as a CSV file, complete with historical pricing information. Delve into marketing opportunities using the token API and utilize display widgets for enhanced visibility. This platform supports the tracking of an unlimited number of Ethereum addresses and tokens, featuring an industry-leading Bulk API monitor. It serves as a comprehensive hub for navigating the Ethereum blockchain, enabling you to view historical holdings in USD. Furthermore, you can receive real-time updates via email or Telegram for any incoming or outgoing transactions associated with any address you are monitoring. Whether you're a seasoned investor or new to the crypto space, this platform offers a robust solution for effective asset management.

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.

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.

InfStones, a Softbank portfolio company, is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider headquartered in the United States and backed by leading venture capital investors. The company is trusted by the top blockchain companies globally, including Binance, BitGo, CoinList, Circle, Poloniex, imToken, Dune Analytics, Chainlink, Polygon, NuCyher, Near, and many more. InfStones is dedicated to breaking down the barriers of blockchain adoption and Web3 application development by providing developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. InfStones' platform is battle-tested and supports over 15,000 nodes on over 60 blockchains. The infrastructure is incredibly reliable, fast, efficient, secure, and scalable - and specially designed for cross-chain DeFi, NFT, GameFi, and decentralized application development. Developers use the AI-based platform to easily connect and work with more than 50 leading blockchain protocols, pushing the boundaries of what it means to lead with a vision and passion for global innovation. InfStones is trusted by the biggest blockchain companies in the world including Binance, Coinlist, BitGo, OKX, and more.

You can create blockchain and digital asset solutions without having to start from scratch. Start small and quickly move to production. You can choose from popular cloud properties, hybrid deployment options, geographical regions, protocols, consensus mechanism, and many other options all at the touch of a button. It makes blockchain an easy-to-use endpoint that allows you to accelerate the development and deployment your d'Apps. An intuitive interface that allows you to manage all aspects of your blockchain networks and environments. Automated tools and workflows make it easy to scale your business network and onboard new members. Each member is responsible for managing their own key materials, data, and nodes. You can easily scale your network using single proxy operator or distributed network ownership. Manage your networks, memberships, users, and environments.

A single line of code can elevate your development experience using the most robust blockchain developer platform, which is trusted by 70% of the leading Ethereum applications worldwide. Alchemy Supernode stands as the most utilized Ethereum API available. It offers all the features of a traditional node, including JSON-RPC support, while providing enhanced reliability, data accuracy, and scalability essential for deploying top-tier blockchain applications. Alchemy Build consists of a no-configuration, in-house set of developer tools that allow for faster prototyping, debugging, and product delivery. You can swiftly search through millions of past requests, monitor real-time transactions in the mempool, execute JSON-RPC calls directly from the dashboard, and easily review recent requests and any errors. Furthermore, Alchemy Monitor presents an extensive range of dashboards and alerts focused on app health, performance metrics, and user engagement. You can quickly assess the status of all your applications from a single interface, gather user insights without breaching privacy, and receive automated notifications for any critical issues. This comprehensive suite empowers developers to streamline their workflow and enhance their application's overall performance.

NOWNodes offers a comprehensive Blockchain-as-a-Service platform that enables users to access Full Nodes and Explorers through an API, supporting over 50 different blockchain networks. You can select the node that best suits your requirements and utilize the available methods to establish a connection. Focus on developing wallets, exchanges, decentralized applications, and more, while we handle the underlying infrastructure. Our service boasts a robust framework that is efficient, affordable, and dependable. We maintain Service Quality Standards for all our partners to ensure excellence. Additionally, your nodes are monitored around the clock, with their performance and relevance consistently assessed. This ensures our clients benefit from scalability for extensive projects and receive rapid API responses, allowing for seamless development. With NOWNodes, you can innovate without the burden of backend management.

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.

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.

Launch your NFT application in just hours rather than taking several months. We handle all the complexities of the NFT infrastructure, allowing you to concentrate on enhancing your application. Designed specifically for developers by those who understand their needs. Mastering technologies like Solidity, Web3.js, GraphQL, nodes, and IPFS can be challenging, labor-intensive, and often requires a diverse skill set within a team. Many teams find themselves wasting between 25-50% of their engineering efforts on managing nodes and creating indexers, which merely duplicates existing solutions. Relying on slow, heavily rate-limited, and incomplete APIs can impede your progress in a highly competitive landscape, risking both user retention and revenue generation. By streamlining these processes, we empower you to focus on innovation and growth.

OnFinality is a platform for blockchain infrastructure that saves web3 builders their time and makes their lives simpler. OnFinality provides API endpoints that are scalable for the largest blockchain networks. It empowers developers to automate testing, deployment, scaling, and monitoring their own blockchain nodes within minutes. OnFinality has processed over 300 billion RPC requests to date across 70 networks, including Polkadot and Ethereum, Moonbeam and Astar. It is constantly expanding these mission-critical services to developers so they can build the decentralised future faster! OnFinality helps you to be smarter.

Addressing reliability and performance challenges in Web3 involves the strategic utilization of numerous third-party node providers alongside an advanced decentralized blockchain API platform, while enhancing the overall user experience. Initiate your journey on the most pertinent blockchain projects within the Web3 ecosystem. With a commitment to delivering one of the industry's most robust decentralized infrastructure services and achieving rapid response times, Blast leverages clustering techniques and the geographical distribution of third-party nodes to efficiently meet the infrastructure demands of Web3 developers, enabling them to concentrate entirely on application development. Scaling is seamlessly achieved by integrating additional node providers into our network. Furthermore, our protocol ensures good node conduct through regular evaluations and implements corrective actions for underperforming nodes, such as slashing staked tokens or removing them from the network, thus maintaining high standards within the ecosystem. This rigorous approach not only promotes reliability but also fosters a healthier environment for developers to thrive.

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.

If your expenditures exceed $2,000 on a blockchain API infrastructure and you are generating numerous requests each second, exploring avenues for cost efficiency could be beneficial. This is where our services come into play, offering rapid access to blockchain infrastructure via a JSON-RPC endpoint tailored to your secure environment. How can RPC Fast, a self-managed cluster featuring geo-distributed blockchain nodes, assist you in this endeavor? - Our infrastructure is exceptionally fast, boasting over 90 distributed zones with nodes that maintain a 100% health status. - We guarantee an impressive uptime of 99.99% and an average latency of just 85.6 milliseconds from virtually anywhere. - At the core of our service lies PredictKube, an AI-driven model designed to anticipate traffic patterns and automatically adjust infrastructure capabilities based on your historical data and business metrics. - Additionally, our self-hosted solution guarantees the utmost security for your blockchain infrastructure, ensuring that your operations remain protected while you optimize costs. With these features, you can enhance performance while effectively managing your expenses.

A new paradigm for cross-chain experiences that seamlessly connects users with applications. End-users can benefit from the fastest and lowest-cost bridging. Developers can benefit from a streamlined interoperability. Cross-chain Intents are a limit order and an action to be executed. Intents replace explicit steps with user outcomes. This allows relayers to compete for the best execution path. Unlike complex trusted messaging solutions, Across connects users with dapps through intents and not just blockchains to other blockchains. Developers need only embed a standard action in protocol actions to create seamless experiences across chains.

Amazon Managed Blockchain is a comprehensive service designed to simplify the creation and management of scalable blockchain networks by utilizing well-known open-source frameworks such as Hyperledger Fabric and Ethereum. This technology enables the development of applications where various participants can carry out transactions independently, eliminating the necessity for a central trusted authority. Currently, establishing a scalable blockchain network with existing solutions is often intricate and challenging to oversee. Each participant in the network is typically required to manually set up hardware, install necessary software, generate and manage access control certificates, and configure various networking elements. With Amazon Managed Blockchain, scaling your blockchain network as application demand increases becomes a seamless process. If a member of the network needs more capacity to process and validate transactions, they can swiftly add a new peer node through Managed Blockchain's user-friendly APIs. Thus, this service not only streamlines the management of blockchain networks but also ensures that they can adapt efficiently to changing demands.

Our goal is to equip the innovators of the future by delivering a comprehensive and powerful data framework tailored for the entire blockchain landscape. Dive into and contribute to the most extensive blockchain data available online. Consolidate historical balances, positions, and profit and loss across numerous DeFi platforms to create engaging and dynamic interfaces for your audience. Develop analytical dashboards that showcase asset price trends, liquidity, and return on investment. Take advantage of our quick start tutorials, how-to manuals, sample code, and more, enabling seamless integration of blockchain data into your project through the Covalent API. Covalent offers a cohesive API that ensures complete transparency and insight into assets across various blockchain networks. In essence, we provide a singular API that allows you to retrieve detailed and granular blockchain transaction information from multiple blockchains without requiring any coding expertise. This makes it easier than ever for developers to access and utilize blockchain data in their applications.

Etherscan stands out as the premier Blockchain Explorer, search tool, API, and analytics platform specifically designed for Ethereum, which is a decentralized platform for smart contracts. Since its establishment in 2015, it has been among the first and most enduring independent projects centered on Ethereum and its ecosystem, aiming to ensure fair access to blockchain information for all users. This commitment to transparency and accessibility has solidified its reputation within the cryptocurrency community.