Upsert Row Set - DE Key

POST https://{{et_subdomain}}.rest.marketingcloudapis.com/hub/v1/dataevents/key:{DE_External_Key}/rowset

https://developer.salesforce.com/docs/atlas.en-us.noversion.mc-apis.meta/mc-apis/postDataExtensionRowsetByKey.htm

The API upserts multiple data extension rows in a single synchronous call using Data Extension's External Key.

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}}}

RESPONSES

status: OK

[{&quot;keys&quot;:{&quot;subscriberKey&quot;:&quot;5c68f5c7f230288ba735091&quot;},&quot;values&quot;:{&quot;isActive&quot;:&quot;True&quot;,&quot;firstName&quot;:&quot;John&quot;,&quot;lastName&quot;:&quot;Smith&quot;,&quot;lastLogin&quot;:&quot;2018-05-23T14:32:00Z&quot;,&quot;followerCount&quot;:&quot;2&quot;}},{&quot;keys&quot;:{&quot;subscriberKey&quot;:&quot;5c68f5c7f380288ba5091&quot;},&quot;values&quot;:{&quot;isActive&quot;:&quot;True&quot;,&quot;firstName&quot;:&quot;Jane&quot;,&quot;lastName&quot;:&quot;Smith&quot;,&quot;lastLogin&quot;:&quot;2018-05-23T14:32:00Z&quot;,&quot;followerCount&quot;:&quot;2&quot;}}]