Best Blockchain APIs for Polkadot

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!

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.

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.

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.

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.

Bloq gives you a single interface to a growing set of infrastructure services that can be used to build on multiple blockchain networks. Blockchain APIs allow you to accelerate development by providing real-time connectivity to the most popular blockchain networks, indexed data, and additional services. You can create your own private, fully managed cluster of nodes to ensure your business has the strong, fault-tolerant data foundation the blockchain industry requires. Bloq provides the infrastructure that blockchain businesses require at all scales. Both blockchain-native and traditional businesses can grow with the advancements in blockchain networks. Your ecosystem needs vital infrastructure to enable it to develop innovative new applications, scale quickly and explore synergies with leading blockchain protocols.

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.