curl --request POST \
  --url https://api.{your-broker}.slate-labs.com/integrations/email/send \
  --header 'Content-Type: application/json' \
  --data '
{
  "to": "<string>",
  "subject": "<string>",
  "body_html": "<string>",
  "body_text": "<string>",
  "from_email": "<string>",
  "from_name": "<string>",
  "reply_to": "<string>",
  "cc": [
    "<string>"
  ],
  "bcc": [
    "<string>"
  ],
  "tags": {},
  "customer_id": "<string>",
  "event_type": "<string>"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}