Best Blockchain-as-a-Service Providers for Cardano

Since 2017, we’ve helped over 400 organizations—ranging from exchanges to financial institutions—manage more than $110B in digital assets. Our services include robust support for staking, blockchain nodes, APIs, DeFi, and MPC wallets, all backed by a globally resilient architecture built for security, compliance, and scale.

NOWNodes is a robust RPC provider granting API access to Full and Archive Nodes across 110+ blockchain networks. It supports various protocols including Tendermint, Blockbook, and Index, with availability on both mainnets and testnets depending on the chain. The service delivers a reliable, scalable infrastructure with 99.95% uptime, ~0.6s response time, and capacity for over 15,000 transactions per second—ensuring developers uninterrupted access to accurate blockchain data.

The BlockSpaces Platform enables businesses to link their applications with blockchain networks by utilizing managed infrastructure and customizable workflows that can be set up with either clicks or code. With ready-made integrations and connections to multiple blockchains, this solution will soon be available without the need for coding. You can secure your place in our upcoming pilot program. Our fully managed blockchain infrastructure and developer tools now come equipped with performance analytics and insights. Much like the internet transformed communication, blockchain represents a revolutionary shift in how business processes are managed. We envision a world that fosters collaboration and instantaneous sharing of information, allowing every participant in the business value chain to engage in transactions that are immutable and trustworthy. Through BlockSpaces Connect, we demystify the blockchain integration process, making data connections between various systems straightforward. Designed for seamless blockchain integration, Connect features a user-friendly, code-free interface that does not necessitate extensive technical knowledge, making it accessible for all users. As we move forward, our mission is to empower organizations to embrace this technology effortlessly.

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.