curl --location --request POST '/message/sendmms?from=+13467358091&to=+15015304208&text=Test MMS&tag=yourTag&scheduledDateTime' \
--header 'x-api-key: vrSTrsB7qv4jDZFsnaEWz7p3qtp7XvTq718a6SaF' \
--header 'Authorization: Bearer <token>' \
--form 'file=@""'{
"result": "Message delivered"
}