Get Tag IDs for Campaignget https://a.klaviyo.com/api/campaigns/{id}/relationships/tagsReturns the IDs of all tags associated with the given campaign.Rate limits:Burst: 3/sSteady: 60/m Scopes: campaigns:read tags:readPath ParamsidstringrequiredHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 200Success 4XXClient Error 5XXServer ErrorUpdated over 1 year ago