post https://api.mixmax.com/v1/contactgroups//contacts
Adds a Contact to a Contact Group. You must own the group to add contacts to it.
You must either own or have edit access to the group to use this.
For response format, see /contacts API.
Header
Adds a Contact to a Contact Group. You must own the group to add contacts to it.
You must either own or have edit access to the group to use this.
For response format, see /contacts API.