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
Rajdoot
Rajdoot
Rajdoot – Your Private, Powerful, and Programmable SMS Gatew
Developer Tools
0
Jun 15, 2025
12 views
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Features
- Developer Tool
- Open-Source
- Free
Tags
# SMS# OTP# Auth# DevTool
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