Best Free Blockchain Node Providers of 2025

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!

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.

Chainnodes is a next generation Web3 Infrastructure provider that powers your dApps. You can deploy your archival node with just one click.

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.

Chainstack's APIs and software are used by thousands of businesses, large and small, to build, scale, and maintain blockchain applications. To ensure your security and control, Chainstack's APIs offer secure node connections and key security best practices. Invite other members to join your network and deploy their infrastructure using simple network management tools. You can build and deploy the blockchain protocol that suits your needs. The protocol will never be updated or modified again. Chainstack's managed services for blockchain make it easy to launch, join, and scale decentralized networks. You can now safely experiment with enterprise-grade tools and services and then run production. Continuously monitor and provision your resources.

Gateway.fm is a distributed, blockchain infrastructure that provides enterprise-grade blockchain infrastructure on a scale. It can be distributed all over the globe and used in a portable manner. We are focused on all things infra and SRE and devops. This includes robust and high-performance validators at scale, testnets, devnets, and all the tooling needed for chains (block explorers and metrics), with security and privacy built into the stack. Our contributions to the community include writing best practices for Ethereum validators, operations, management, and monitoring. We are proud to share our knowledge and experience from large-scale web3 projects and traditional practices.

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.

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.

Infura offers top-tier infrastructure designed to help your decentralized application grow in response to user demand. With our instant access APIs, you can swiftly connect your application. We facilitate JSON-RPC over both HTTPS and WebSocket interfaces, allowing for both request and subscription-based connections. You can initiate your journey with Infura using just one URL. Our dedicated team of experts is available around the clock to manage all network modifications and upgrades, enabling you to concentrate on developing your applications. We are committed to a future driven by decentralized networks and protocols. Our infrastructure supports developers, allowing you to invest your time in innovation and creation. Through our Infura dashboard, you can discover valuable insights, add applications, and more. If you require assistance or have inquiries, our vibrant community, current status page, and comprehensive documentation library are always available to help you. Additionally, we pride ourselves on maintaining a user-friendly environment that encourages exploration and experimentation.

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.

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.

Blockchain Service (BCS) offers a robust and secure blockchain solution designed for enterprises and developers, facilitating the easy creation, deployment, and management of applications while leveraging the high performance and cost efficiency of HUAWEI CLOUD. This platform is built on cutting-edge Kubernetes technology, emphasizing security and user-friendly configuration with rapid deployment capabilities, alongside automated end-to-end operations and maintenance. By minimizing development and deployment expenses and providing a pay-per-use model, it also lowers operational costs through unified management, with features like auto-scaling and on-demand upgrades or rollbacks. BCS supports multiple effective consensus algorithms that achieve over 10,000 transactions per second, allowing for flexible node management, including dynamic participation and exit options for various roles within the network. Additionally, it ensures comprehensive management and isolation of users, keys, and permissions, along with multi-layer encryption for enhanced privacy and a well-established cybersecurity framework. The utilization of decentralized and tamper-resistant shared ledgers guarantees a high level of transparency and fairness, making BCS an exceptional choice for modern blockchain needs. Ultimately, BCS stands out as a premium choice for organizations seeking a reliable and efficient blockchain infrastructure.

We serve as a comprehensive provider of blockchain infrastructure and services, delivering scalable, dependable, and effective blockchain solutions tailored for all users, with the goal of facilitating widespread adoption, fostering growth, and ensuring the enduring success of the Web3 ecosystem for years to come.

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.

Launch your upcoming blockchain venture effortlessly with Chain49! We offer seamless access to our extensive network of full blockchain nodes based in Germany through JSON-RPC, WebSocket, and a reliable API powered by the proven Blockbook indexer. Our support extends to a variety of popular blockchains, including Bitcoin, Ethereum, BNB Smart Chain, and many others! Utilizing our services allows you to significantly reduce the time and financial investment typically required to establish your own blockchain infrastructure, enabling you to concentrate on bringing your innovative ideas to life. For those with demanding requirements, we also provide dedicated nodes and tailored setups across more than 50 different blockchains, ensuring you can handle the highest loads without facing any rate limits. Reach out to us today for a complimentary consultation, or sign up for a free key to embark on your exciting building journey! Additionally, we’re here to help you navigate the complexities of blockchain technology and support your project every step of the way.

We provide enterprise-grade RPC for 40+ blockchain networks, and process over 500 million requests per day. Comprehensive Blockchain Support: We support over 40 different networks and are constantly expanding our offering. We will take care of the complexity of setting up your RPC Node, saving you both time and effort. Automated Upgrades: We have automated software upgrades for our network, ensuring that all nodes are running the latest versions. Proactive Maintenance – Automated health checks, prompt troubleshooting and proactive maintenance help maintain a smooth operation. Low-Latency network - Enjoy fast, reliable operations no matter where you are located in the world. Auto Scaling – Our infrastructure is designed for you to scale up with your needs and can easily handle significant traffic spikes. Exclusive Hardware Ownership: We own and operate our own hardware. This contributes to true decentralization, as we don't rely on public cloud services.