Supported Networks - PayAI Documentation

Use the Solana network identifiers reference to distinguish the x402 network ID from the RPC genesis hash, or start with the Solana Mainnet Express guide. import DiscordHelpCard from “/snippets/discord-help-card.mdx”;

Network Name	V1 Network String	V2 CAIP-2 ID
Arbitrum One	`arbitrum`	`eip155:42161`
Arbitrum Sepolia	`arbitrum-sepolia`	`eip155:421614`
Avalanche	`avalanche`	`eip155:43114`
Avalanche Fuji	`avalanche-fuji`	`eip155:43113`
Base	`base`	`eip155:8453`
Base Sepolia	`base-sepolia`	`eip155:84532`
Polygon	`polygon`	`eip155:137`
Polygon Amoy	`polygon-amoy`	`eip155:80002`
Sei	`sei`	`eip155:1329`
Sei Testnet	`sei-testnet`	`eip155:713715`
SKALE Base	`skale-base`	`eip155:1187947933`
SKALE Base Sepolia	`skale-base-sepolia`	`eip155:324705682`
Solana	`solana`	`solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp`
Solana Devnet	`solana-devnet`	`solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1`
X Layer	`xlayer`	`eip155:196`
X Layer Testnet	`xlayer-testnet`	`eip155:1952`

Solana batch settlement

Batch settlement is available as a public preview for USDC. The public /supported endpoint advertises the shared-lane fee payer and admission limits. Its /verify and /settle requests work without an API key on the shared lane; credentials remain available for paid usage and assigned enterprise lanes.

Need help?