Add compaigns list in the process of inserting/updating contact with API?

Add compaigns list in the process of inserting/updating contact with API?

We have 2 entities:
Compaign (Course) and Contact (Participant)
Contact can have relation to many Compaigns, i need to know how i can insert multiple compaigns in the process of updating or inserting new Contact entity with ZOHO CRM API?