Retrieve a single email

[
  {
    "key": "object",
    "type": "string",
    "description": "The type of object.",
    "label": "The type of object.",
    "optional": true
  },
  {
    "key": "id",
    "type": "string",
    "description": "The ID of the email.",
    "label": "The ID of the email.",
    "optional": true
  },
  {
    "key": "message_id",
    "type": "string",
    "description": "The Message-ID header value of the email.",
    "label": "The Message-ID header value of the email.",
    "optional": true
  },
  {
    "key": "to",
    "type": "array",
    "optional": true,
    "items": {
      "key": "item",
      "type": "string",
      "description": "The email addresses of the recipients.",
      "label": "The email addresses of the recipients."
    }
  },
  {
    "key": "from",
    "type": "string",
    "description": "The email address of the sender.",
    "label": "The email address of the sender.",
    "optional": true
  },
  {
    "key": "created_at",
    "type": "string",
    "description": "The date and time the email was created.",
    "label": "The date and time the email was created.",
    "optional": true
  },
  {
    "key": "subject",
    "type": "string",
    "description": "The subject line of the email.",
    "label": "The subject line of the email.",
    "optional": true
  },
  {
    "key": "html",
    "type": "string",
    "description": "The HTML body of the email.",
    "label": "The HTML body of the email.",
    "optional": true
  },
  {
    "key": "text",
    "type": "string",
    "description": "The plain text body of the email.",
    "label": "The plain text body of the email.",
    "optional": true
  },
  {
    "key": "bcc",
    "type": "array",
    "description": "The email addresses of the blind carbon copy recipients.",
    "label": "The email addresses of the blind carbon copy recipients.",
    "optional": true,
    "items": {
      "key": "item",
      "type": "string"
    }
  },
  {
    "key": "cc",
    "type": "array",
    "description": "The email addresses of the carbon copy recipients.",
    "label": "The email addresses of the carbon copy recipients.",
    "optional": true,
    "items": {
      "key": "item",
      "type": "string"
    }
  },
  {
    "key": "reply_to",
    "type": "array",
    "description": "The email addresses to which replies should be sent.",
    "label": "The email addresses to which replies should be sent.",
    "optional": true,
    "items": {
      "key": "item",
      "type": "string"
    }
  },
  {
    "key": "last_event",
    "type": "any",
    "description": "The status of the email.",
    "label": "The status of the email.",
    "optional": true
  }
]