ApichatWebhookImageMessage

  • timestamp
    Type: number
    required

    Unix epoch seconds with fractional microseconds (e.g. 1780054017.039184). Not a string, not milliseconds.

  • type
    enum
    const:  
    image
    required
    values
    • image
  • url
    Type: stringFormat: uri
    required

    Publicly-fetchable GCS URL (…//channels/.).

  • message
    Type: string | null

    Caption; null when none. NOTE: multiple images in one block fire multiple image POSTs ~30ms apart — group by customer.token + time window.