# General Info The Direct API service is designed to send messages via various communication channels under the HTTP protocol. The following channels are supported: * SMS * FlashCall * Viber * WhatsApp * VK Also, using the service, you can * create, view and edit system entities * senders’ names * templates * get statistics on the messages sent --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## 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://api.direct.revicom.ltd/master.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.