curl --request DELETE \
  --url https://services.leadconnectorhq.com/contacts/{contactId}/tags \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Version: <version>' \
  --data '
{
  "tags": [
    "minim",
    "velit magna"
  ]
}
'

{
  "tags": [
    "minim",
    "velit magna"
  ]
}