curl --location -g --request GET 'https://rest.clicksend.com/v3/sms-campaigns/1/link-export?filename={filename}'
{
"data": {
"url": "https://rest.clicksend.com/files/24C16065-FB6F-400A-B922-C814C6A32727?filename=export.csv"
},
"http_code": 200,
"response_code": "SUCCESS",
"response_msg": "Download your file here."
}