Skip to Content
Supported ChainsMonad
Supported ChainMonad

Monad API

Access Monad via the Spectrum unified API. Monad is a high-throughput EVM L1 with parallel execution and pipelined consensus.

Properties

PropertyValue
Slugmonad
TypeEVM L1
Native TokenMON
Chain ID143

Available Methods

MethodDescription
getBlockHeightLatest Monad block number
getBalanceMON balance for a wallet
getTokenBalanceERC-20 token balance
getTokenMetadataERC-20 token info
getTokenAllowanceToken spending allowance
getPortfolioFull portfolio with USD values
getNftCollectionNFT holdings for a wallet
getBlockTransactionsTransactions in a block
estimateGasGas estimation for a transaction
traceTransactionInternal call trace
getCodeContract bytecode check
simulateCallSimulate a contract call
rpcProxyRaw JSON-RPC passthrough
getChainHealthMonad RPC health check

Quick Start

Get the latest Monad block height:

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \
{
  "jsonrpc": "2.0",
  "method": "getBlockHeight",
  "params": {
    "chain": "monad"
  },
  "id": 1
}

Get Balance

Retrieve the MON balance for a wallet address on Monad:

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \
{
  "jsonrpc": "2.0",
  "method": "getBalance",
  "params": {
    "chain": "monad",
    "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
  },
  "id": 1
}

Get Gas

Compare current gas prices across chains:

curl -X POST https://your-endpoint.simplystaking.xyz/v1 \
  -H "Content-Type: application/json" \
{
  "jsonrpc": "2.0",
  "method": "compareGas",
  "params": {},
  "id": 1
}

SDK

import { Spectrum } from '@spectrumnodes/sdk';
 
const spectrum = new Spectrum({ api: 'https://your-endpoint.simplystaking.xyz/YOUR_API_KEY/' });
 
// Get latest block height
const block = await spectrum.core.getBlockHeight('monad');
console.log(block.height);
 
// Get MON balance on Monad
const balance = await spectrum.tokens.getBalance('monad', '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045');
console.log(balance.balance);

DeFi

Standard EVM endpoints; DeFi protocol integrations are added as they roll out.

BerachainScroll