curl --location --request POST 'api.velosms.com/api/SendSMSMulti?api_id=<api-key>' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data-raw '{
"api_id": "<string>",
"phonenumber": "<string>",
"sender_id": "<string>",
"sms_type": "<string>",
"encoding": "<string>",
"templateid": "<integer>",
"textmessage": "<string>",
"ValidityPeriodInSeconds": "<int>",
"callback_url": "<string>"
}'{
"message_id": "<long>",
"status": "<string>",
"remarks": "<string>",
"uid": "<string>"
}