post https://a.klaviyo.com/api/campaigns/
Creates a campaign given a set of parameters, then returns it.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
campaigns:write
Header
Creates a campaign given a set of parameters, then returns it.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
campaigns:write