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How-to connect Daemon RPC API

This page will help you get connect Daemon RPC API

Daemon RPC API

Zano command-line daemon application (zanod) can be controlled by remote procedure calls (RPC). This makes it possible to use it as a back end for user-defined services.

The daemon starts in RPC server mode by default. To specify the RPC port or bind address the user will need to run zanod with the following options:

zanod --rpc-bind-ip RPC_IP --rpc-bind-port RPC_PORT --daemon-address


RPC_IP — IP address to bind RPC server to ( will be used if not specified);
RPC_PORT — TCP port for RPC server (11512 is default);

All examples below are based on the assumption that the daemon is listening for RPC at

All amounts and balances are represented as unsigned integers and measured in atomic units — the smallest fraction of a coin.

One coin is equal to 10^8 atomic units.

JSON RPC BUSY response

All JSON RPC calls are served via http://RPC_IP:RPC_PORT/json_rpc URI.

Any request may receive a BUSY response if the daemon is synchronizing with the network. In such cases the user should repeat the request later.

  "id": "0",
  "jsonrpc": "2.0",
  "result": {
    "status": "BUSY"

Alternative blocks are not stored between subsequent runs of the daemon application. For a recently started daemon the list of known alternative blocks is always empty.

Connect Legacy JSON API

This API is legacy and not compliant with the JSON RPC specification. Please note that all methods in this section are accessed by http://RPC_IP:RPC_PORT/METOD_NAME URI.

Connect Binary RPC API

Binary API uses binary protocol for communication, which is more compact and faster than JSON-API, especially when transferring large amounts of data. It was designed to communicate with a wallet application.
You may want to use epee serialization, in particular
epee::serialization::store_t_to_binary and epee::serialization::load_t_from_binary methods, to serialize your data before passing to API, and to deserialize upon retrieving from API. Alternatively, you may use epee::net_utils::invoke_http_bin_remote_command2

All methods in this section are accessible by http://RPC_IP:RPC_PORT/METOD_NAME URI.

What's Next

List of RPC calls:

Daemon RPC API
Binary RPC API