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opBNB

evm

BNB Chain's optimistic rollup L2

Chain ID: 204

Networks

Available networks for opBNB. Use mainnet for production and testnets for development.

Mainnet

Production

Chain ID: 204

RPC: https://opbnb-mainnet.rpc.bootnode.dev

Testnet

Testnet

Chain ID: 5611

RPC: https://opbnb-testnet.rpc.bootnode.dev

Supported APIs

Everything you need to build on opBNB, available through a single API key.

JSON-RPC
WebSocket
Token API
NFT API
Transfers API
Webhooks

Chain Features

Key capabilities and characteristics of opBNB.

OP Stack
BNB Ecosystem
Ultra Low Fees

Quick Start

Send your first request to opBNB in under a minute.

cURL
eth_blockNumber
curl -X POST https://opbnb-mainnet.rpc.bootnode.dev \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_blockNumber",
    "params": []
  }'

Pricing

opBNB is included in all Bootnode plans. Start free and scale as you grow.

Free

$0/mo

100M compute units per month. Perfect for getting started.

Growth

Popular

$99/mo

1B compute units per month. All chains and APIs included.

Enterprise

Custom

Dedicated infrastructure with 99.999% SLA and 24/7 support.

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