API URI for adding MAC address to pass through list on captive portal

[adopilot]

Is there a chance to add MAC adress to Captive POrtal list over any kind of API.
We want to extend pfsense whit external app which is going to register allowed MAC on captive portal.
Is there any kind of API URI or SQL place where to put mac adresses
Thanx in advaced

[Gertjan]

There is no pfSense-API.
There is the PHP script that you already use ….. so .... ;)