get https://a.klaviyo.com/api/campaigns//campaign-messages/
Return all messages that belong to the given campaign.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
campaigns:read
Language
Authorization
Header
Return all messages that belong to the given campaign.
Rate limits:
Burst: 10/s
Steady: 150/m
Scopes:
campaigns:read