The WordPress plugin that you are using will only work with DPS 2015. You can migrate your DPS (Classic) contents over to DPS 2015 easily using the Folio Migration Tool (see this for more info) and continue the test with that WordPress plugin.- Mike

Hi,In the context of the WordPress plugin:IMS Client Id = Adobe KeySecret Key = Adobe Secret- Mike

Hi,The socialSharing image URL is part of the entity metadata, in the field "socialShareUrl":// sample code$objArticleEntity = new Article($arrCredentials, $arrParameters, $arrEndpoints);$arrArticleMetadata = $objArticleEntity->getMetadata()->getResponse();$strSocialSharingUrl = $arrArticleMetadata['socialSharingUrl'];The thumbnail image URL can be generated by using the following:https://pecs.publish.adobe.io/publication/{{publication-id}}/{{entity-type}}/{{entity-name}}/contents;contentVersion...

Hi,Please make sure that there aren't any file with 0byte size within the .article zip file. Even if the .article zip file that you uploaded is 54kb, the contain of the zip file may contain 0byte size files. - Mike

While we wait, you can also tackle this using the DPS 2015 Content Producer Service APIs.Here's a recipe structure for this:load the XML file into memorySet the necessary credentialsSet the project Id and collection entity name (not title)Request for the list of content elements within the specified collection (step 3)Iterate through the list of content elements and update each entity metadata with the data from the XML file (step 1)Please note that the content element will reference an entity, ...