Mojang · Schema

PlayerCertificates

Player keypair payload returned by /player/certificates.

Games And ComicsMinecraftGamingIdentityPlayer ProfilesSessionPublic APIs

Properties

Name	Type	Description
keyPair	object	PEM-encoded RSA keypair.
publicKeySignature	string	Mojang signature over the public key (legacy).
publicKeySignatureV2	string	Mojang signature including player UUID (v2).
expiresAt	string	Keypair expiry time.
refreshedAfter	string	Earliest time the client should re-request the keypair.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/mojang/refs/heads/main/json-schema/minecraft-services-player-certificates-schema.json",
  "title": "PlayerCertificates",
  "description": "Player keypair payload returned by /player/certificates.",
  "type": "object",
  "properties": {
    "keyPair": {
      "type": "object",
      "description": "PEM-encoded RSA keypair.",
      "properties": {
        "privateKey": {
          "type": "string",
          "example": "-----BEGIN RSA PRIVATE KEY-----..."
        },
        "publicKey": {
          "type": "string",
          "example": "-----BEGIN RSA PUBLIC KEY-----..."
        }
      }
    },
    "publicKeySignature": {
      "type": "string",
      "description": "Mojang signature over the public key (legacy).",
      "example": "a1b2c3..."
    },
    "publicKeySignatureV2": {
      "type": "string",
      "description": "Mojang signature including player UUID (v2).",
      "example": "a1b2c3..."
    },
    "expiresAt": {
      "type": "string",
      "format": "date-time",
      "description": "Keypair expiry time.",
      "example": "2026-06-01T00:00:00Z"
    },
    "refreshedAfter": {
      "type": "string",
      "format": "date-time",
      "description": "Earliest time the client should re-request the keypair.",
      "example": "2026-05-31T12:00:00Z"
    }
  }
}