opBNB Onchain Data API

Get token balances and transactions for opBNB. 22 endpoints supported.

Overview

opBNB is an optimized L2 solution that offers low fees and high throughput for BNB Chain.

GoldRush offers the most comprehensive opBNB 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 opBNB 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

Mainnet

Property	Value
Chain Name	bnb-opbnb-mainnet
Chain ID	204
Network Type	Community Chain
Support Level	community
Block Explorer	Explorer
Official Website	opBNB Website
Native Gas Token	BNB

API Usage

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

Chain Name

• bnb-opbnb-mainnet (mainnet)

Example API Calls

Chain Name (Mainnet)

curl -X GET "https://api.covalenthq.com/v1/bnb-opbnb-mainnet/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: "bnb-opbnb-mainnet",
    walletAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
});

Foundational API Support

This chain supports 22 GoldRush Foundational APIs:

Wallet API

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

Pricing API

• Get historical token prices on opBNB

Security API

• Get token approvals for address on opBNB

Transactions API

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

Block Explorer API

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

Additional Resources

• GoldRush API Documentation
• Supported Chains List
• API Reference
• AppChain Documentation