# httpSMS ## httpSMS - [Getting Started](https://docs.httpsms.com/introduction/getting-started.md): httpSMS is an open-source service that converts your Android phone into an SMS Gateway so you can send and receive SMS messages using an intuitive HTTP API with support for end-to-end encryption. - [Introduction](https://docs.httpsms.com/webhooks/introduction.md): httpSMS uses webhooks to push real-time notifications to your application about SMS events for example when an SMS is received by your Android you will get a notification about this event. - [Events](https://docs.httpsms.com/webhooks/events.md): List of supported httpSMS webhook events with the request payload. - [Phone API Keys](https://docs.httpsms.com/features/phone-api-keys.md): Manage multiple Android phones under one httpSMS account by creating unique API keys per phone. - [Control SMS Send Rate](https://docs.httpsms.com/features/control-sms-send-rate.md): Whether you're sending hundreds or thousands of messages, our intelligent queue system ensures reliable delivery at your chosen pace. - [Scheduling SMS Messages](https://docs.httpsms.com/features/scheduling-sms-messages.md): Complete guide on scheduling SMS messages to be sent in the future on the httpSMS platform - [Outgoing Message Queue](https://docs.httpsms.com/features/outgoing-message-queue.md): Complete guide on how httpSMS queues outgoing SMS messages for reliable delivery, including rate-based dispatch, scheduled sending, and send schedule windows.