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.
nodejs express otp backend rest-api sms-gateway multi-provider phone-authentication one-time-password auth-api otp-verification bd-sms-gateway alpha-sms sms-authentication sms-bd local-sms-gateway real-time-sms mock-sms sentmysms
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Updated
Apr 2, 2026 - JavaScript