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OpenAPI Specification

openapi: 3.2.0
info:
  title: Minecraft Services Keys API
  description: Microsoft-managed Minecraft Services API (api.minecraftservices.com).
  version: 1.0.0
  contact:
    name: Mojang Studios
    url: https://www.minecraft.net
  license:
    name: Mojang Brand and Asset Usage Guidelines
    url: https://www.minecraft.net/en-us/usage-guidelines
  x-generated-from: documentation
  x-last-validated: '2026-05-30'
servers:
- url: https://api.minecraftservices.com
  description: Microsoft / Minecraft Services API (production)
security: []
tags:
- name: Keys
  description: Signature keypairs and Mojang public keys
paths:
  /player/certificates:
    post:
      operationId: getPlayerCertificates
      summary: Get Player Certificates
      description: Issue an RSA keypair plus Mojang signatures for use in signing the player's outbound chat. Keys rotate roughly every 48 hours.
      tags:
      - Keys
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Player keypair and signature material.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlayerCertificates'
        '401':
          description: Missing or invalid access token.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /publickeys:
    get:
      operationId: getPublicKeys
      summary: Get Mojang Public Keys
      description: Return the current Mojang public keys used to verify profile property signatures, player chat-signing certificates, and authentication artefacts.
      tags:
      - Keys
      responses:
        '200':
          description: Public-key bundle.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicKeys'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    PublicKeyEntry:
      type: object
      description: A single Base64-encoded DER public key entry.
      required:
      - publicKey
      properties:
        publicKey:
          type: string
          description: Base64-encoded DER public key.
          example: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC...
    PlayerCertificates:
      type: object
      description: Player keypair payload returned by /player/certificates.
      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'
    PublicKeys:
      type: object
      description: Mojang public keys for verifying signatures.
      properties:
        profilePropertyKeys:
          type: array
          description: Keys used to verify session-profile property signatures.
          items:
            $ref: '#/components/schemas/PublicKeyEntry'
        playerCertificateKeys:
          type: array
          description: Keys used to verify player chat-signature certificates.
          items:
            $ref: '#/components/schemas/PublicKeyEntry'
        authenticationKeys:
          type: array
          description: Keys used to verify Mojang authentication tokens.
          items:
            $ref: '#/components/schemas/PublicKeyEntry'
    Error:
      type: object
      description: Standard Minecraft Services error envelope.
      properties:
        path:
          type: string
          description: Request path that produced the error.
          example: /minecraft/profile/lookup/name/zzzzzzzzzzzzzz
        errorType:
          type: string
          description: Mojang error class.
          example: NOT_FOUND
        error:
          type: string
          description: Short error name.
          example: NOT_FOUND
        errorMessage:
          type: string
          description: Human-readable description.
          example: Couldn't find any profile with name zzzzzzzzzzzzzz
        developerMessage:
          type: string
          description: Optional developer-facing message.
          example: Couldn't find any profile with name zzzzzzzzzzzzzz
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Minecraft access token issued by /authentication/login_with_xbox. Used as `Authorization: Bearer {token}`.'