asyncapi: '2.0.0'
info:
  title: Coindesk on Ably Hub
  version: '1.0.0'
  contact:
    name: Ably
    url: https://www.ably.io/contact
    email: support@ably.io
  description: |
    GTFS-R data on Coindesk's Bitcoin pricing
  license:
    name: Coindesk License Agreement
    url: 'https://www.coindesk.com/api'

servers:
  ably:
    url: ws://realtime.ably.io
    description: Endpoint used by Ably's Realtime client libraries
    protocol: ws
    security:
      - apiKey: []
      - jwt: []
      - httpBearerToken: []
  mqtt:
    url: mqtt://mqtt.ably.io:{port}
    description: Ably's MQTT endpoint
    variables:
      port:
        description: Secure connection (TLS) is available through port 8883.
        default: '8883'
        enum:
          - '1883'
          - '8883'
    security:
      - mqttApiKey: []
      - mqttJwt: []
    protocol: mqtt
    protocolVersion: '3.1.1'
  rest:
    url: https://rest.ably.io
    description: Ably REST API
    protocol: https

defaultContentType: application/json

channels:
  '[product:ably-coindesk/bitcoin]bitcoin:usd':
    subscribe:
      summary: Coindesk bitcoin prices
      message:
        payload:
         type: string
         description: The current price in USD
components:
  securitySchemes:
    mqttApiKey:
      type: apiKey
      in: user
      description: >-
        Provide your API key's public part as the user and the API key's secret
        part as the password. Only usable over a secure connection.
    apiKey:
      type: apiKey
      in: user
      description: Provide your API key
    jwt:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        JWT generated matching the [Ably JWT
        requirements](https://www.ably.io/documentation/core-features/authentication#ably-jwt)
    mqttJwt:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        JWT generated matching the [Ably JWT
        requirements](https://www.ably.io/documentation/core-features/authentication#ably-jwt).
        Use the token as your user, and keep the password blank
    httpBearerToken:
      type: http
      scheme: bearer