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The RPC protocol

The Tezos RPC (Remote Procedure Call) protocol is a specification for a REST API that clients use to interact with Tezos nodes and nodes use to communicate with each other. Clients use this protocol to submit transactions and get information about the state of the blockchain, such as account balances and contract storage. Tezos nodes act as servers and accept HTTP requests from clients and other nodes via this protocol.

Tezos RPC uses JSON to send and receive data, but it does not adhere to the JSON-RPC specification.

For a list of the endpoints in the Tezos RPC protocol, see Shell RPCs - Reference in the Octez documentation.

Public and private RPC nodes​

All Tezos nodes run RPC servers, but the RPC interface is subject to an access policy. By default, RPC servers are private and do not accept all requests from every client.

When you work with a Tezos client, such as the Octez command-line client or the Taquito SDK, you select a public RPC node to send transactions to, or you can use a private RPC node that you have access to.

If you're using a testnet, you can get a list of public RPC nodes for that network at https://teztnets.xyz.

Other sources of public nodes include:

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