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GET
Get supported x402 v2 capabilities

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:
signers
object
required

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

Example: