curl --request POST \
  --url https://backyard.posthoot.com/api/v1/email \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    123
  ],
  "to": "<string>",
  "bcc": "<string>",
  "cc": "<string>",
  "html": "<string>",
  "provider": "CUSTOM",
  "replyTo": "<string>",
  "scheduleAt": "<string>",
  "subject": "<string>",
  "templateId": "<string>",
  "test": true
}
'

{}