OTP SMS verification

Send and verify one-time passwords over SMS for login, step-up authentication and high-risk actions.

What you get

Send and verify one-time passwords over SMS for login, step-up authentication and high-risk actions.

  • SMS OTP send API
  • Configurable code length and expiry
  • Verify endpoint for app backends
Example endpoint
POST /v1/otp/send
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{ ... request body ... }
Capabilities

Designed for production forms

Stronger authentication

Add a second factor without building SMS infrastructure yourself.

Short-lived codes

Control OTP lifetime and length to match your security policy.

High-risk actions

Protect password resets, payouts and account changes.

Developer friendly

Simple send + verify flow that fits modern backend services.

Add OTP SMS verification to your stack

Speak to the eValidate team about pricing, SLAs and integration support.