# Introduction Making an airtime top-up comes in handy for different applications - personal and businesslike. Reloadly's Airtime API handles these use cases by providing endpoints that grant you access to over 700 operators in more than 140 countries.\ \ With this outreach, you can send airtime and also subscribe to data bundles in different currencies. The most important data you will need to send airtime successfully is the recipient's mobile number.\ \ To further learn how to integrate this RESTful API into your application, you can check out this documentation. It contains a reference of each endpoint in the Airtime API. --- # 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://raphaelugwu.gitbook.io/airtime/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.