curl --location --request POST 'https://apicfa.convirza.com/v2/contacts' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"contacts": [
{
"contact_name": "John Doe",
"phone_number": "1234567890",
"country_code": "+1"
}
],
"group_id": 0
}'{
"result": "string",
"err": "string",
"data": "string"
}