Best Free Blockchain Node Providers

Chainstack provides managed and self-hosted blockchain nodes for building and scaling Web3 applications. Nodes are available as elastic (auto-scaling) or dedicated instances across major blockchain networks, including Ethereum, Hyperliquid, Solana, Polygon, BNB Chain, Robinhood Chain, and other EVM and non-EVM chains. Nodes can be deployed in the public cloud, through preferred service providers, or fully self-hosted, with standardized management across chains and environments for predictable performance and uptime. Chainstack node infrastructure includes global load-balanced RPC endpoints, blockchain data APIs, and monitoring, giving operators control and transparency while developers get a consistent way to build. Fintech companies, DeFi protocols, wallets, custodians, trading firms, analytics platforms, and Web3 service providers rely on Chainstack nodes to reduce time-to-market, lower infrastructure costs, and minimize operational risk at scale.

GetBlock is a service that provides instant API connection to full nodes from many leading blockchain networks, including BNB Smart Chain (BSC), Ethereum (ETH), Polygon (MATIC) and Solana (SOL), among others. Since 2019, the mission of GetBlock is to ensure cost-effective tools and infrastructure that will help enterprises and individual developers to build high-quality blockchain applications faster. The service allows you to request on-chain information from a node without the need to set up one manually. GetBlock is among the leaders of the Blockchain-as-a-Service (BaaS) segment: its instruments are utilized daily by thousands of users worldwide. Their clients can get their wallets, DEXs, trading bots, games to 50+ blockchains via an intuitive API-powered dashboard.

Chainnodes is a next-gen Web3 Infrastructure provider to power your dApps! Deploy your archival node in one click and benefit from the following features: low latency (<100ms), high speed block execution (~50ms), high rate limits (up to 500 RPS), > 99.99% uptime and fair and transparent pricing.

NOWNodes is a blockchain infrastructure provider that gives developers and businesses API-based access to blockchain nodes without the need to deploy, sync, or maintain them independently. The platform supports 120+ networks, including Bitcoin, Ethereum, BNB Smart Chain, Solana, and Polygon, through shared and dedicated node options. Beyond core RPC access, NOWNodes offers WebSocket connections, Blockbook indexing, archive data, Trace/Debug methods, gRPC streaming, and a Market Data API covering 9,000+ cryptocurrencies. Its infrastructure powers wallets, exchanges, dApps, and trading tools, with customers and integrations including Trust Wallet, ChangeNOW, and Exodus.

The fastest and easiest blockchain development platform. Unified framework for 40+ blockchain protocols and thousands of digital assets. A single, unified Javascript SDK, for over 40+ blockchain protocols. Simplify your development and integrate any blockchain directly into your JavaScript backend. Create and sell NFTs directly within your WooCommerce site. The plugin is completely free and can be set up within minutes. An open-source key management system for the most secure storing your private keys, mnemonics, and signing transactions on-premise. A command line interface to interact with blockchains. Access our infrastructure via REST API with unified commands across all supported blockchains. All blockchains are unified into one simple SDK. Effortlessly develop apps on any supported blockchain with no previous blockchain experience.

OnFinality is a blockchain infrastructure platform that saves web3 builders time and makes their lives easier. OnFinality delivers scalable API endpoints for the biggest blockchain networks and empowers developers to automatically test, deploy, scale and monitor their own blockchain nodes in minutes. To date, OnFinality has served over 300 billion RPC requests across 70 networks including Polkadot, Ethereum, Moonbeam, Astar, Avalanche and Cosmos, and is continuously expanding these mission-critical services so developers can build the decentralised future, faster! Build Smarter with OnFinality.

Gateway.fm is a distributed blockchain infrastructure built to provide enterprise-grade blockchain infrastructure at scale, distributed around the world, in a portable way. We focus on all things infra, SRE, and devops: robust and high-performance RPCs, validators at scale, testnets and devnets including all the tooling needs for chains (block explorers, faucets, metrics, etc), with security and privacy built into our stack. Our contributions to the community ranges from writing best practices for Ethereum validators to operations, management and monitoring. Our position and experience allow us to merge the best practices from traditional large-scale projects and web3 protocol knowledge, and we are happy to share the knowledge with the community.

Anyblock’s Software-as-a-Service (SaaS) provides Blockchain JSON-RPC Access for Bitcoin, Ethereum & more. We use a fast and reliable blockchain API, query time is usually less than 100 ms. Load-balanced with multiple nodes. Parity/OpenEthereum & Besu clients for Ethereum. Amazing support. Quick and personal responses. Technical advice with code samples. Extensive documentation: API, tutorials, FAQs, ...

Alchemy gives teams the blockchain infrastructure they need to build and scale onchain products without running node infrastructure themselves. Through APIs, RPC endpoints, webhooks, and developer tools across 100+ chains, Alchemy provides reliable access to blockchain data and transaction execution for apps, trading platforms, fintech products, AI agents, and more. Teams use Alchemy to ship faster, troubleshoot issues sooner, and run production workloads with the reliability and performance serious blockchain applications demand.

InfStones, a Softbank portfolio company, is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InStones’ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 15,000 nodes supported on over 60 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, Coinlist, BitGo, OKX, Chainlink, Polygon, Harmony, and Kucoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.

Infura's world-class infrastructure will ensure your decentralized application scales to meet your user demand. Connect your app immediately with our instant access APIs. We support JSON-RPC over HTTPS & WebSocket interfaces, providing request and subscription-based connections. Start using Infura with a single URL. Our 24/7 team of experts is ready to handle all network changes and upgrades so you can focus on building your applications. We believe in a future powered by decentralized networks and protocols. We provide world-class infrastructure for developers so you can spend your time building and creating. You can find valuable insights, add applications, and more through our Infura dashboard. Need help or have questions? Get answers in our active community, up-to-date status page, or dig directly into our expanding library of documentation.

Create blockchain and digital asset solutions without the cost and complexity of building from scratch. Start small and rapidly move into production. Choose from popular cloud properties and hybrid deployment options, geographic regions, protocols, consensus mechanisms and more, all at the click of a button. Makes blockchain just another endpoint so you can accelerate development and deployment of your dapps. A robust, easy-to-use interface to manage everything about your blockchain networks and environments. Onboarding and scaling are built-in and instantaneous with automated tools and workflows so you can grow your business network with ease. Nodes, data and key materials are managed individually by each member. Scale the network with ease using distributed network ownership or single proxy operator. Manage your networks and memberships, users, environments, and more.

WatchData provides simple and reliable API access to Ethereum blockchain. Among the advantages offered by WatchData are: - Data reliability - Uninterrupted connection with no downtime - Process automation - High limits that suit any user - Support for various nodes - Resource scaling -High processing speeds

Blockchain Service (BCS) is a highly available and secure blockchain platform allowing enterprises and developers to conveniently create, deploy, and manage applications with the superb performance and cost-effectiveness of HUAWEI CLOUD. Built using innovative technologies based on Kubernetes, featuring security, simple configuration, deployment in minutes, and automatic multi-angle E2E O&M. Lower development and deployment costs, pay-per-use convenience, reduced O&M expenditures with unified management, and auto scaling and upgrade/rollback on demand. Multiple efficient consensus algorithms (10,000+ TPS) and flexible switching, dynamic join-in or quitting of multi-role nodes and members, and container-based management. Complete management and isolation of users, keys, and permissions; multi-layer encryption and privacy assurance; and fully demonstrated cyber security infrastructure. Uses decentralized, tamper-proof, shared ledgers to ensure transparency and fairness.

As a one-stop blockchain infrastructure and services provider, we provide scalable, reliable, and efficient blockchain solutions for everyone, aiming to support the massive adoption, growth, and long-term success of the Web3 ecosystem.

If you are spending $2+K on a blockchain API infrastructure and sending hundreds of requests per second, you might be interested in cost optimization. And that is where we can help by providing you the fastest access to blockchain infrastructure through JSON-RPC endpoint on your own secure environment. Why RPC Fast, a self-hosted cluster with geo-distributed blockchain nodes, can be helpful in your case? - Ultra-speedy geo-distributed infrastructure with 90+ zones available and 100% healthy nodes. - 99.99% uptime and average 85.6 millisecond latency from just about anywhere. - PredictKube under the hood, an AI model trained to predict the traffic trend and autoscale infrastructure capacities accordingly, based on your historical data and business metrics. - A self-hosted solution, that will insure maximum security for your blockchain infrastructure.

BlockOps is a comprehensive Web3 infrastructure platform designed to make blockchain development, deployment, and monitoring seamless. It provides developers, node operators, and enterprises with the tools they need to build, run, and scale decentralized applications without managing complex infrastructure. With BlockOps, you can quickly spin up blockchain nodes, monitor network health, receive real-time alerts for upgrades and incidents, and access reliable data through APIs. Relay, BlockOps’ alerting and notification system, ensures you never miss a critical client release or network update. Whether you are deploying testnets, running validators, or managing multi-chain environments, BlockOps simplifies infrastructure management, reduces downtime, and accelerates innovation in Web3.

Kickstart your next blockchain project with Chain49! We provide access to our network of blockchain full nodes located in Germany via JSON-RPC, WebSocket and a shared API based on battle-tested indexer Blockbook. We support the most popular blockchains like Bitcoin, Ethereum, BNB Smart Chain and more! By using our services, you can save a lot of time and money spent on setting up your own blockchain infrastructure and just focus on developing your idea. Dedicated nodes and custom setups are also available from over 50 different blockchains for the highest load requirements without any rate limits. Contact us for a free consultation today or register for a free key and start building awesome things!

We run enterprise-grade RPC infrastructure for 40+ blockchain networks and process more than 500 million requests daily. Comprehensive Blockchain Support - We support over 40 different blockchain networks and are expanding our offering continuously. Streamlined Setup Process - We take care of all the complexities of setting up your RPC node, saving you time and effort. Automated Upgrades - We have automated network software upgrades, ensuring our nodes are always running optimal versions Proactive Maintenance - Automated health checks and prompt troubleshooting help maintain a smooth and secure operation. Low-Latency Network - Enjoy fast and reliable operations regardless of where you are in the world. Auto Scaling - Our infrastructure is designed to scale with your needs, and easily takes care of significant traffic spikes. Exclusive Hardware Ownership - We run and maintain our own hardware, contributing to true decentralization as we do not rely on public clouds.