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

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

Updated 4 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.

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