Trying to retrieve campaigns records but get no data found

Trying to retrieve campaigns records but get no data found

This is what im trying to run:

https://crm.zoho.com/crm/private/json/Contacts/getRelatedRecords?newFormat=1&apikey=awdsdg23sfr&ticket=23123&parentModule=Campaigns&id=333535

Always getting: 
{"response":{"nodata":{"message":"There is no data to show","code":"4422"},"uri":"/crm/private/json/Contacts/getRelatedRecords"}}
1. How can i fix that? I tried the two options Contacts & Leads
2. IS the any way to update a lead campaign via the API?