---
title: Contract addresses
description: Find core and utility contract addresses for Radius Testnet and Radius Network, including stablecoin and infrastructure contracts.
---
# Contract addresses

*Core and utility contract references*


Use this page as a quick reference for deployed contracts on Radius Testnet and Radius Network (mainnet).
All addresses are checksummed and copy-paste ready.

## Core contract

### SBC token contract

The SBC contract is the stablecoin used for transfers and gas-fee conversion behavior on Radius.

- **Contract address:** <code>0x33ad9e4BD16B69B5BFdED37D8B5D9fF9aba014Fb</code>

## Utility contracts

These utility contracts are commonly used across tooling and app integrations.

### Testnet

| Contract                                                                                                                           | Address                                      | Why you use it                                                                                    |
| ---------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------- | ------------------------------------------------------------------------------------------------- |
| [Arachnid Create2 Factory (deterministic deployment proxy repository)](https://github.com/Arachnid/deterministic-deployment-proxy) | `0x4e59b44847b379578588920cA78FbF26c0B4956C` | Deploy contracts to deterministic addresses with CREATE2.                                         |
| [CreateX deployment framework repository](https://github.com/pcaversaccio/createx)                                                 | `0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed` | Use advanced CREATE/CREATE2/CREATE3 deployment patterns.                                          |
| [Multicall3 repository](https://github.com/mds1/multicall)                                                                         | `0xcA11bde05977b3631167028862bE2a173976CA11` | Batch multiple read calls into one RPC request.                                                   |
| [Uniswap Permit2 repository](https://github.com/Uniswap/permit2)                                                                   | `0x000000000022D473030F116dDEE9F6B43aC78BA3` | Support signature-based approvals and transfer flows. Required for Permit2-based x402 settlement. |

### Mainnet

| Contract                                                                                                                           | Address                                      | Why you use it                                                                                    |
| ---------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------- | ------------------------------------------------------------------------------------------------- |
| [Arachnid Create2 Factory (deterministic deployment proxy repository)](https://github.com/Arachnid/deterministic-deployment-proxy) | `0x4e59b44847b379578588920cA78FbF26c0B4956C` | Deploy contracts to deterministic addresses with CREATE2.                                         |
| [Uniswap Permit2 repository](https://github.com/Uniswap/permit2)                                                                   | `0x000000000022D473030F116dDEE9F6B43aC78BA3` | Support signature-based approvals and transfer flows. Required for Permit2-based x402 settlement. |
| [Multicall3 repository](https://github.com/mds1/multicall)                                                                         | `0xcA11bde05977b3631167028862bE2a173976CA11` | Batch multiple read calls into one RPC request.                                                   |
| [CreateX deployment framework repository](https://github.com/pcaversaccio/createx)                                                 | `0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed` | Use advanced CREATE/CREATE2/CREATE3 deployment patterns.                                          |

## x402 contracts

These contracts are used by x402 facilitators for Permit2-based payment settlement. Both are deployed to the same deterministic address on all EVM chains via CREATE2.

| Contract                                                                                                    | Address                                      | Why you use it                                                                                                                                                               |
| ----------------------------------------------------------------------------------------------------------- | -------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [x402ExactPermit2Proxy](https://github.com/coinbase/x402/blob/main/specs/schemes/exact/scheme_exact_evm.md) | `0x402085c248EeA27D92E8b30b2C58ed07f9E20001` | Canonical spender for Permit2-based x402 settlement. Payers sign Permit2 transfers to this address. The proxy enforces that funds go only to the merchant (`payTo`) address. |
| [Uniswap Permit2](https://github.com/Uniswap/permit2)                                                       | `0x000000000022D473030F116dDEE9F6B43aC78BA3` | Signature-based token approvals and transfers. Payers approve this contract once to enable Permit2 x402 flows.                                                               |

## Accessibility and verification notes

- Use the **contract name** column to understand purpose before copying an address.
- Use the **Why you use it** column for quick context in screen-reader and scan-first workflows.
- Verify target network before deployment or scripting.
- Prefer checksummed addresses in config files and deployment artifacts.

## Related pages

- [Network and RPC](/developer-resources/network-configuration)
- [JSON-RPC API](/developer-resources/json-rpc-api)
- [Fees](/developer-resources/fees)