API Overview
The iBnk Protocol API provides a seamless interface for stablecoin conversions on supported blockchain networks. This page provides general information about the iBnk API Service.
Version: 2.1.0
Base URL: https://api.ibnk.xyz
Last Updated: 2025-11-25
To request access to the iBnk Sandbox Environment (Testnet API), please contact: ying@ibnk.xyz
Transaction Flow
The API follows a secure transaction flow:
- API builds unsigned transactions - Private keys never leave your application
- Client signs locally - Using wallet libraries like ethers.js or web3.js
- API broadcasts signed transactions - Returns detailed execution results including slippage analysis
Supported Networks
| Network | Chain ID | Status |
|---|---|---|
| Base Sepolia | 84532 | Testnet |
| Arbitrum Sepolia | 421614 | Testnet |
Rate Limits
| Limit | Value |
|---|---|
| Requests per 15 minutes | 100 |
| Burst limit | 10 requests/second |
Contract Addresses
Base Sepolia (chainId: 84532)
| Contract | Address |
|---|---|
| Router | 0x9647B25aFf27F1c36f77dFec2560a8696B59dbdE |
| Zap | 0xb41C8c97299964aa79b611a5Ec288F25850Cf2ca |
| Factory | 0xeFA9493E856a449cAe87a9fF2B740B331201d785 |
| USDC | 0xB209B4f21a233751EEd1C11747b1f06850fE6ca2 |
| AUDM | 0xb5dC8d3fcFd2277f2C6ae87e766732c00A7EfbF3 |
| EURC | 0x1e00beAf9Db905e1098A8224fa21E93b260DB7eC |
| AUDM/USDC Pool | 0xEd1FAF5Ed63dA5b47CBc44f7696E701cb613bB57 |
| EURC/USDC Pool | 0xd5D220DDF70d6CdD465E3EDD12fc3AB25C31A163 |
| EURC/AUDM Pool | 0x91e50A3d956Ce17661A393Ca6FA9519d441cfbf2 |
| Faucet | 0x432a163B26DaB6D5f386d8C4F70032f670686238 |
Arbitrum Sepolia (chainId: 421614)
| Contract | Address |
|---|---|
| Router | 0xbE26A3B762a5F7eAd86731E63d60f359e382cdaC |
| Zap | 0x14ba424AbEA6cF9e32a61376DD80Fb84793DBd20 |
| Factory | 0xa6cEa2B641600343F01849fc580802bebEd2f71B |
| USDC | 0x9311cA9F222ba12575099383498e7348eF39b3A7 |
| AUDM | 0xf36a31074aDdD28dAd8d9C21C834cc6d1f569831 |
| EURC | 0x284B49f8463Ee7e0d709C430f29AD0104506C392 |
| AUDM/USDC Pool | 0x186eD80ecDD8dFcb108D19Ac22Bc3C256CfF633a |
| EURC/USDC Pool | 0xb02E45e4E479faFAC2C0A75EDbc48E8659c9b274 |
| EURC/AUDM Pool | 0xF3A8f6EeBb8b45887700A87692f5Ae605D44c3cD |
| Faucet | 0x0eb211d75a7b77034dE6913E80A0e0D88C422a41 |