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GET
/
supported
Get supported x402 v2 capabilities
curl --request GET \
  --url https://facilitator.x84.ai/supported
{
  "kinds": [
    {
      "scheme": "exact",
      "network": "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
      "asset": "Gh9ZwEmdLJ8DscKNTkTqPbNwLNNBjuSzaG9Vp2KGtKJr"
    }
  ],
  "extensions": [
    "x84-atomic",
    "x84-attestation",
    "x84-delegated"
  ],
  "signers": {
    "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1": [
      "7iRiHRnj1NofyEZVuj86Z4s5MJwVFZVR71XuAsLnwLYX"
    ]
  }
}

Response

200 - application/json

Supported x402 v2 capabilities

​
kinds
object[]
required

List of supported payment kinds (scheme + network + asset)

​
extensions
string[]
required

List of supported x84 extension identifiers

Example:
[
  "x84-atomic",
  "x84-attestation",
  "x84-delegated"
]
​
signers
object
required

Map of CAIP-2 network → facilitator signer public keys. The facilitator co-signs transactions as fee payer.

Example:
{
  "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1": [
    "7iRiHRnj1NofyEZVuj86Z4s5MJwVFZVR71XuAsLnwLYX"
  ]
}