system_properties

Returns chain properties including token symbol and decimals on Moonbeam.

Use Cases

• Token formatting - Get decimals and symbol for cross-chain DeFi, multi-chain dApps, and Ethereum-to-Polkadot bridging via XCM, Axelar, LayerZero, and Wormhole
• UI configuration - Configure wallets and dApps
• Address formatting - Get SS58 prefix

Parameters

This method accepts no parameters.

Request

{
  "jsonrpc": "2.0",
  "method": "system_properties",
  "params": [],
  "id": 1
}

Code Examples

cURL

curl https://api-moonbeam.n.dwellir.com/YOUR_API_KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "system_properties",
    "params": [],
    "id": 1
  }'

JavaScript

import { ApiPromise, WsProvider } from '@polkadot/api';

const provider = new WsProvider('wss://api-moonbeam.n.dwellir.com/YOUR_API_KEY');
const api = await ApiPromise.create({ provider });

const props = await api.rpc.system.properties();
console.log('Token symbol:', props.tokenSymbol.toString());
console.log('Token decimals:', props.tokenDecimals.toString());
console.log('SS58 prefix:', props.ss58Format.toString());

await api.disconnect();

Related Methods

• system_chain - Get chain name
• state_getMetadata - Get runtime metadata