Upsert Row Set - DE ID
POST https://{{et_subdomain}}.rest.marketingcloudapis.com/hub/v1/dataevents/{DE_ID}/rowset
The API upserts multiple data extension rows in a single synchronous call using Data Extension ID.
Request Body
{"0"=>{"keys"=>{"SubscriberKey"=>"5c68f5c7f230288ba735091"}, "values"=>{"IsActive"=>true, "FirstName"=>"John", "LastName"=>"Smith", "LastLogin"=>"2018-05-23T14:32:00Z", "FollowerCount"=>2}}, "1"=>{"keys"=>{"SubscriberKey"=>"5c68f5c7f380288ba5091"}, "values"=>{"IsActive"=>true, "FirstName"=>"Jane", "LastName"=>"Smith", "LastLogin"=>"2018-05-23T14:32:00Z", "FollowerCount"=>2}}}