v1

latestOpenAPI 3.1.02026-07-13570316.1 KB
x402

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).

string
OR
integer
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"
    }
  ]
}