A simple and scalable Phone OTP (One-Time Password) authentication API built with Node.js and Express. Supports multiple SMS providers for real delivery and includes a development mode for local testing.

An opinionated standard for preserving user identity across the entire lifecycle, preventing lost, duplicated, and recycled accounts.

Backend API for Wasfa, a pharmacy stock exchange app with SMS-based phone authentication.

A simple Node.js CLI application for generating and verifying OTPs using the MSG91 SMS API. Includes resend logic, environment variable support via .env, and Docker support for easy containerized execution.