API Reference
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Bridge Contract Address Quickstart

The bridge contract address is essential for facilitating communication and asset transfers between Layer 1 (L1) and Layer 2 (L2) networks

OP Stack

To bridge funds using OP Stack, follow these steps:

  1. Select Sepolia Network in MetaMask

    • Ensure that your MetaMask wallet is connected to the Sepolia Test Network

  2. Send Tokens to the Bridge Address

    • Obtain the bridge contract address for your OP Stack devnet from the Alchemy Rollup page
    • Send ETH or ERC-20 tokens from Ethereum (Sepolia) to the bridge address

Arbitrum Orbit

To bridge funds using Arbitrum Orbit, follow these steps:

  1. Obtain the Configuration File

    • Download the configuration file from the Alchemy Rollup page

  2. Visit the Arbitrum Bridge

  3. Connect Your Wallet

    • Open your MetaMask wallet and connect it to the bridge

  4. Enable Developer Mode

    • Go to Settings from the top-right corner
    • On the Developer section, enable Testnet Mode
  1. Import the Configuration File
  • Paste the configuration file details into the bridge interface
  • Click Add Chain to register your custom rollup network
  1. Bridge Funds
  • In the bridge interface, select your custom rollup chain
  • Move funds from Ethereum (L1) to your Arbitrum Rollup (L2)
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