Update Couponpatch https://a.klaviyo.com/api/coupons/{id}Rate limits:Burst: 3/sSteady: 60/m Scopes: coupons:write OpenAPI SpecPath ParamsidstringrequiredThe internal id of a Coupon is equivalent to its external id stored within an integration.Query Paramsfields[coupon]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[coupon]ADD stringBody Paramsdataobjectrequireddata objectHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 200Success 4XXClient Error 5XXServer ErrorUpdated 8 days ago
