Adding contacts to UCCX Outbound Campaign API

[Ssaradouni]

Following the link below

https://developer.cisco.com/docs/contact-center-express/#!add-contacts-to-campaign/add-contacts-to-campaign

to add contacts to UCCX outbound campaign, the URI is required

URI	http://<server>/adminapi/campaign/{id}/contacts

what should be the URI in case of UCCX cluster (Publisher and Subscriber) to support the HA ?

Regards