v1
latestOpenAPI 3.1.02026-07-13570316.1 KBx402
Supported payment methods
List supported x402 payment methods, optionally filtered by token address and chainId. Compatible with any standard x402 middleware.
get/v1/payments/x402/supported
Query parameters
tokenAddressstring
A valid Ethereum address (0x-prefixed hex string) or ENS name (e.g., vitalik.eth).
A valid Ethereum address (0x-prefixed hex string) or ENS name (e.g., vitalik.eth).
Example:eip155:1
Chain ID in CAIP-2 format (e.g., 'eip155:1' for Ethereum, 'solana:mainnet' for Solana). Also accepts legacy numeric IDs for EVM chains.
Response
Supported payment kinds
Example response
{
"kinds": [
{
"network": "eip155:1"
}
]
}