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Large queries can be made through file uploads via the Web GUI, SFTP and API and queries of 50 or less telephone numbers can be made as a single event directly through the Web GUI.

  • Users may query up to a max of 50 TNs as a single event via the Web GUI.
  • Users may query up to a max of 1,000 TNs as a single API call when using the API
  • Users may upload a file via the Website upload, API or SFTP that will allow the user to query up to 1Million TNs per file. 

The maximum number of queries will ultimately be based on the size of the subscription the user purchases.