I'm using https://github.com/infusionsoft/infusionsoft-php but when I try to apply tags for a contact I'm getting this error.
Someone knows something about it?
I'm using https://github.com/infusionsoft/infusionsoft-php but when I try to apply tags for a contact I'm getting this error.
Someone knows something about it?
As Mr. Void said there is no addToGroup() method in Rest Api. You should use this ContactService class instead of the one from Rest.