httpSMS — SMS-шлюз через Android-смартфон

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httpSMS is a service that turns an Android phone into an SMS gateway controlled through a simple HTTP API: an API request makes your phone send an SMS, and incoming messages are forwarded from the phone to your webhook. Reach for it when you need to send and receive SMS programmatically from your own number without signing up for a paid messaging provider: verification codes, notifications, replies to customers, or wiring SMS into your own flows. It includes a web UI, a server, and an Android app on the gateway phone; features include end-to-end encryption, webhooks, back pressure, and message expiration, plus API clients. Its focus is a personal SMS gateway on a real phone and SIM, not bulk carrier messaging or a cloud service like Twilio: throughput and cost are bound by your mobile plan and a single device, so it is not meant for large volumes.