Account balance information: API v4

The Website Categorization API bills in credits drawn from your WhoisXML account balance, exactly like your other WhoisXML products. Your balance, your plan and your usage history are shown in your WhoisXML account and are described on the existing Account balance information page. Nothing about your balance is specific to v4: the balance and the key you used with the legacy v3 endpoint serve v4.

For what a v4 call costs, which calls are not billed, and the credits_charged field that categorization responses carry, see Credits and limits and Output format. For the 403 returned when a balance reaches zero, see Error codes.