GetBlock
GetBlock.io is a service that provides connection for the major cryptocurrencies’ nodes. They support such tools like JSON-RPC, REST, and WebSockets, which facilitates direct synchronization with the blockchain.
There is no need to run a node yourself, the platform allows its customers to connect to a blockchain via a full node without having to pay a fee. This service is quite 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.
In order to get started with GetBlock, clients of the platform have to fill in the form on the website and get their personal API key.