How can I know if a contact ID is already in use? - Knowledgebase / Tech - Support Portal | Registry Services

How can I know if a contact ID is already in use?

Updated 10 Apr, 2020

You can use the <contact: check /> command to find out if a contact ID is already used or not. Common practice is to send a <contact: check /> command that controls multiple <contact: id /> at once and then use the first available one.