Rajdoot

Rajdoot

Your Private, Powerful, and Programmable SMS Gateway

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Rajdoot is a self-hosted, low-cost SMS gateway using ESP8266 + SIM900A. Send OTPs/SMS via MQTT & Node.js backend with a React dashboard. Cheaper than Twilio, with full control & open-source IoT power.
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Launch tags:API•Open Source•Internet of Things
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parminder singh
Maker
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Rajdoot is a self-hosted, low-cost SMS gateway powered by IoT technology. It enables developers and businesses to send and verify OTPs and SMS messages via a custom Node.js backend, React frontend, and MQTT-connected ESP8266 devices controlling GSM modules like SIM900A. Unlike traditional providers like Twilio or Telesign, Rajdoot gives you full control, customizable workflows, and drastically lower SMS costs by leveraging open-source hardware and software. ✅ OTP & SMS APIs ✅ MQTT-based IoT communication ✅ SIM900A + ESP8266 + Arduino integration ✅ Web dashboard (React) ✅ Node.js backend with MongoDB