Send an email response

curl --request POST \
  --url https://api.helpyousponsor.com/v1/admin/email/response \
  --header 'Content-Type: application/json' \
  --header 'X-HYS-API-Key: <api-key>' \
  --data '
{
  "email_id": 123,
  "response": "<string>",
  "client_id": 123
}
'

{
  "message": "<string>"
}