# Xai Chains & Parameters

- [Connect to Xai Mainnet](/xai-network/kn/build-on-xai/xai-chains-and-parameters/connect-to-xai-mainnet.md): Follow the steps below to connect to the Xai Testnet as a developer
- [Bridge to Xai Mainnet](/xai-network/kn/build-on-xai/xai-chains-and-parameters/bridge-to-xai-mainnet.md)
- [Connect to Xai Testnet (Sepolia)](/xai-network/kn/build-on-xai/xai-chains-and-parameters/connect-to-xai-testnet-sepolia.md): Follow the steps below to connect to the Xai Testnet as a developer
- [Bridge to Xai Testnet](/xai-network/kn/build-on-xai/xai-chains-and-parameters/bridge-to-xai-testnet.md)
- [Bridged Token Addresses](/xai-network/kn/build-on-xai/xai-chains-and-parameters/bridged-token-addresses.md)
- [Contract Addresses](/xai-network/kn/build-on-xai/xai-chains-and-parameters/contract-addresses.md)