{"x429":1,"issuer":"https://x429.dev","docs":"https://x429.dev/docs/","keys":[{"kid":"x429-protocol-demo","alg":"Ed25519","publicKey":"ephemeral-on-/429"}],"paymentModes":["mock"],"headers":{"ticket":"X429-Ticket","clientKey":"X429-Client-Key"},"note":"The /429 demo signs each response with an ephemeral key and includes that publicKey in the response body."}