GetBlock is a service that provides a fee-free connection to blockchain nodes of the most popular cryptocurrencies. GetBlock supports such tools like JSON-RPC, REST, and WebSockets, which facilitates direct synchronization with the blockchain. Users can immediately connect the app to a blockchain, as GetBlock relieves you from running a node yourself. The platform allows its customers to stay focused on their projects and development, it needs not more than a few clicks to connect one or merge several nodes in one place. This service is suitable for young entrepreneurs and beginners, as well as for crypto developers and blockchain users, for all those who have neither time nor resources to run their own full node. At the moment, GetBlock offers nodes of more than 20 cryptos, including Bitcoin (BTC), Ethereum (ETH), Monero (XMR), and Litecoin (LTC).
Getblock is free if you use it less. The UI is easy to understand, so it's easy to operate.