pyth-network_pyth-crosschain/apps/developer-hub/content/docs/express-relay/contract-addresses.mdx

---
title: "SVM Contract Addresses"
description: >-
  Express Relay is currently deployed on the following SVM environments:
---

<Tabs items={['Production', 'Testing']}>
<Tab value="production">

**Auction Server endpoint:** <CopyAddress address="https://per-mainnet.dourolabs.app/" />

**Network Details (Solana Mainnet-Beta):**
| Name | Address/Value |
| ------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Express Relay Program | <CopyAddress address="PytERJFhAKuNNuaiXkApLfWzwNwSNDACpigT3LwQfou" url="https://solscan.io/account/PytERJFhAKuNNuaiXkApLfWzwNwSNDACpigT3LwQfou" /> |
| Limo Limit Order Program | <CopyAddress address="LiMoM9rMhrdYrfzUCxQppvxCSG1FcrUK9G8uLq4A1GF" url="https://solscan.io/account/LiMoM9rMhrdYrfzUCxQppvxCSG1FcrUK9G8uLq4A1GF" /> |
| Chain Id | <CopyAddress address="solana" /> |
| Public RPC | <CopyAddress address="https://api.mainnet-beta.solana.com" /> |
| Limo Global Order Config | <CopyAddress address="prod7Mog8r56sn5dPwze8nVdf94veEawdxNNqd5v7A1" url="https://solscan.io/account/prod7Mog8r56sn5dPwze8nVdf94veEawdxNNqd5v7A1" /> |
| Frontend | <CopyAddress address="https://swap.kamino.finance" url="https://swap.kamino.finance" /> |

</Tab>
<Tab value="testing">

<Callout variant="warning">
  To simulate real performance conditions and activity, the staging/testing
  environment for Solana is on the mainnet-beta network. This environment is not
  for production use and should only be used for testing.
</Callout>

**Auction Server endpoint:** <CopyAddress address="https://per-staging.dourolabs.app/" />

**Network Details (Solana Mainnet-Beta):**
| Name | Address/Value |
| ------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Express Relay Program (Swaps) | <CopyAddress address="stag1NN9voD7436oFvKmy1kvRZYLLW8drKocSCt2W79" url="https://solscan.io/account/stag1NN9voD7436oFvKmy1kvRZYLLW8drKocSCt2W79" /> |
| Express Relay Program (Limit Orders) | <CopyAddress address="PytERJFhAKuNNuaiXkApLfWzwNwSNDACpigT3LwQfou" url="https://solscan.io/account/PytERJFhAKuNNuaiXkApLfWzwNwSNDACpigT3LwQfou" /> |
| Limo Limit Order Program | <CopyAddress address="LiMoM9rMhrdYrfzUCxQppvxCSG1FcrUK9G8uLq4A1GF" url="https://solscan.io/account/LiMoM9rMhrdYrfzUCxQppvxCSG1FcrUK9G8uLq4A1GF" /> |
| Chain Id | <CopyAddress address="development-solana" /> |
| Public RPC | <CopyAddress address="https://api.mainnet-beta.solana.com" /> |
| Limo Global Order Config | <CopyAddress address="TeStcUQMmECYEtdeXo9cXpktQWaGe4bhJ7zxAUMzB2X" url="https://solscan.io/account/TeStcUQMmECYEtdeXo9cXpktQWaGe4bhJ7zxAUMzB2X" /> |
| Testing Frontend | <CopyAddress address="https://limo.kamino-webapp.pages.dev/swap" url="https://limo.kamino-webapp.pages.dev/swap" /> |

\*\* This list contains the addresses of the commonly used assets present in opportunities on development-solana:

| Asset | Address                                                                                                                                              |
| ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------- |
| WSOL  | <CopyAddress address="So11111111111111111111111111111111111111112" url="https://solscan.io/account/So11111111111111111111111111111111111111112" />   |
| USDC  | <CopyAddress address="EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v" url="https://solscan.io/account/EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v" /> |

</Tab>
</Tabs>