post https://{youraccountname}.api-us1.com/api/3/contactTags
Create a contact tag object
{
"contactTag": {
"contact": "1",
"tag": "20"
}
}
{
"contactTag": {
"cdate": "2017-06-08T16:11:53-05:00",
"contact":"1",
"id":"1",
"links":{
"contact":"/1/contact",
"tag":"/1/tag"
},
"tag":"20"
}
}