# Billing ## Billing ### Usage-based **ApiRTC** billing is based on usage in minutes x participant in the room. * Video audio communications are billed by the number of minutes in communication by the number of participants. * SMS are billed for each message sent. * SIP incoming calls are billed by the number of minutes #### Per Enterprise Organizing your communication traffic by use case is paramount to simplifying the billing allocation process. The concept of Enterprise allows developers to spin up new subaccounts for each new use case and business unit, allowing billing and traffic to be allocated efficiently at the end of every month. {% hint style="info" %} Understand more about pricing: [ApiRTC pricing](https://apirtc.com/pricing/) {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://dev.apirtc.com/apirtc-developer-portal/overview/billing.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.