Monad Onchain Data API

Get token balances, transactions, and OHLCV pricing data for Monad. 31 endpoints supported. Testnet supported.

Overview

Monad redefines L1 scalability with 10,000 TPS, 1-second finality, and near-zero gas fees while maintaining full EVM compatibility. The next generation of high-performance blockchains.

GoldRush offers the most comprehensive Monad Data API suite for developers, analysts, and enterprises. Whether you’re building a DeFi dashboard, a wallet, a trading bot, an AI agent or a compliance platform, our Monad Data APIs provide fast, accurate, and developer-friendly access to the essential onchain data you need.

Supported APIs

Foundational API

Access structured historical blockchain data across 100+ chains using REST APIs. Get token balances, transaction histories, decoded event logs, NFT assets, token holders and more.

Use cases: Wallets, portfolio trackers, crypto accounting & tax tools, and DeFi dashboards.

Read docs

Streaming API

Subscribe to real-time blockchain events with sub-second latency using GraphQL over WebSockets. Track token transfers, DEX activity, wallet movements, and OHLCV candlestick data across fast chains like Base and Solana.

Use cases: Trading bots & dashboards, gaming, and AI Agents.

Read docs

Pipeline API

Stream blockchain data directly to your own infrastructure. Push decoded blocks, transactions, event logs, and protocol-specific data into your database, warehouse, queue, or webhook with ABI decoding and SQL transforms built in.

Use cases: Data warehousing, analytics dashboards, ETL pipelines, and backend indexing.

Read docs

Mainnet

Property	Value
Chain Name	monad-mainnet (Foundational API) / MONAD_MAINNET (Streaming API)
Chain ID	143
Network Type	Frontier Chain
Support Level	frontier
Block Explorer	Monad Blockchain Explorer
Official Website	Monad Website
Native Gas Token	MON

Testnet

Property	Value
Chain Name	monad-testnet
Chain ID	10143
Purpose	Development and testing network
Support Level	frontier
Block Explorer	Monad Blockchain Explorer
Official Website	Monad Testnet Website
Native Gas Token	MON

API Usage

To use this blockchain network in GoldRush API calls, use:

Chain Name

• monad-mainnet / MONAD_MAINNET (mainnet)
• monad-testnet (testnet)

Example API Calls

Chain Name (Mainnet)

curl -X GET "https://api.covalenthq.com/v1/monad-mainnet/address/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045/balances_v2/?key=<GOLDRUSH_API_KEY>"

curl -X GET "https://api.covalenthq.com/v1/monad-testnet/address/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045/balances_v2/?key=<GOLDRUSH_API_KEY>"

SDK Usage

TypeScript SDK (Mainnet)

import { GoldRushClient } from "@covalenthq/client-sdk";

const client = new GoldRushClient("<GOLDRUSH_API_KEY>");
const resp = await client.BalanceService.getTokenBalancesForWalletAddress({
    chainName: "monad-mainnet",
    walletAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
});

import { GoldRushClient } from "@covalenthq/client-sdk";

const client = new GoldRushClient("<GOLDRUSH_API_KEY>");
const resp = await client.BalanceService.getTokenBalancesForWalletAddress({
    chainName: "monad-testnet",
    walletAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
});

Foundational API Support

This chain supports 22 GoldRush Foundational APIs:

Wallet API

• Get token balances for address on Monad
• Get native token balance for address on Monad
• Get historical portfolio value over time on Monad
• Get ERC20 token transfers for address on Monad

Pricing API

• Get historical token prices on Monad

Security API

• Get token approvals for address on Monad

Transactions API

• Get a transaction on Monad
• Get transaction summary for address on Monad
• Get earliest transactions for address (v3) on Monad
• Get recent transactions for address (v3) on Monad
• Get paginated transactions for address (v3) on Monad
• Get bulk time bucket transactions for address (v3) on Monad
• Get all transactions in a block (v3) on Monad
• Get all transactions in a block by page (v3) on Monad

Block Explorer API

• Get a block on Monad
• Get all chain statuses on Monad
• Get all chains on Monad
• Get block heights on Monad
• Get gas prices on Monad
• Get log events by contract address on Monad
• Get log events by topic hash(es) on Monad
• Get logs on Monad

Streaming API Support

This chain supports 9 GoldRush Streaming APIs:

• New DEX Pairs Stream on Monad
• OHLCV Pairs Stream on Monad
• OHLCV Tokens Stream on Monad
• Update Pairs Stream on Monad
• Update Tokens Stream on Monad
• Wallet Activity Stream on Monad
• OHLCV Pairs Query on Monad
• OHLCV Tokens Query on Monad
• Token Search Query on Monad

Pipeline API Support

This chain supports 4 GoldRush Pipeline API data objects that can be streamed to your infrastructure:

• Blocks
• Transactions
• Logs
• Transfers

Additional Resources

• GoldRush API Documentation
• Supported Chains List
• API Reference