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Topics

Introduction

Endpoints

Send otp
- Send OTP to a mobile number POST
Verify otp
- Verify an OTP POST

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API changelog

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JSON OpenAPI specification
YAML OpenAPI specification

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Fast2OTP API
1.0.0

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Base URL

https://api.fast2sms.com

API documentation for Fast2OTP OTP authentication

This is version 1.0.0 of this API documentation. Last update on Mar 11, 2025.