curl --location --request PUT 'https://rest.clicksend.com/v3/lists/439/remove-duplicates' \
--header 'Content-Type: application/json' \
--data-raw '{
"fields": [
"phone_number",
"first_name",
"last_name",
"fax_number",
"address_country"
]
}'
{
"data": {
"deleted": 6
},
"http_code": 200,
"response_code": "SUCCESS",
"response_msg": "Your list duplicate contacts has been deleted."
}