https://areamembri.it/campaigns.json
Returns a list with all the campaigns for the project (and sub-projects).
Parameters:
| api_user | The provided API User credential for your account. |
| api_key | The provided API Key credential for your account. |
| business_id | The project ID you want to query in. |
Return:
An array of campaign objects, each object containing, at least:
- id
- name
- nicename
- active_campaigns_x_users_count