curl --request POST \
  --url http://127.0.0.1:3333/v3/integrations/email/send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "botId": "<string>",
  "credentialsId": "<string>",
  "recipients": [
    "<string>"
  ],
  "subject": "<string>"
}
'

{
  "message": "<string>",
  "previewUrl": "<string>"
}