Overview

OTPLY is a straightforward email-based One-Time Password (OTP) service designed for developers who need reliable email verification without complexity. Whether you're building user authentication, account recovery, or sensitive transaction verification, OTPLY delivers OTP codes directly to user inboxes with minimal latency and maximum reliability.

The service handles the entire OTP lifecycle: registration, credential management, OTP generation, delivery, and verification. It supports customizable OTP expiry times, purpose-based tracking, and template flexibility. Real-time usage statistics let you monitor consumption against your plan limits, ensuring you stay within budget while maintaining frictionless user experiences.

OTPLY is ideal for SaaS platforms, fintech applications, healthcare portals, and any service prioritizing secure email-based identity verification. Built by security professionals and available through multiple integration channels, it combines enterprise-grade reliability with developer-friendly APIs.

Usage

Example: Send and Verify OTP

Request to send OTP:

POST /api/v1/send-otp
Headers:
  X-API-Key: your_api_key_here
  X-API-Secret: your_api_secret_here
  Content-Type: application/json

{
  "email": "user@example.com",
  "purpose": "login_verification",
  "template": "default",
  "expiry_minutes": 15
}

Response:

{
  "success": true,
  "message": "OTP sent successfully to user@example.com",
  "expires_in": 900,
  "reference_id": "ref_1a2b3c4d5e6f7g8h"
}

Request to verify OTP:

POST /api/v1/verify-otp
Headers:
  X-API-Key: your_api_key_here
  X-API-Secret: your_api_secret_here
  Content-Type: application/json

{
  "email": "user@example.com",
  "otp": "654321",
  "purpose": "login_verification"
}

Response:

{
  "success": true,
  "message": "OTP verified successfully",
  "verified_at": "2024-01-15T10:30:45.123456Z"
}

Endpoints

GET /

Root endpoint - API root information.

Response: Returns API root metadata.

GET /health

Health Check - Service health status endpoint.

Response: Returns HTTP 200 with service health information.

POST /api/v1/register

Register - Create a new customer account.

Response:

{
  "success": true,
  "message": "Registration successful"
}

Errors:

• 422: Validation error (invalid email format, missing required fields, etc.)

POST /api/v1/login

Login - Authenticate and retrieve API credentials.

Response:

{
  "success": true,
  "message": "Login successful",
  "token": "jwt_token_here",
  "api_key": "key_1a2b3c4d5e6f7g8h",
  "api_secret": "secret_1a2b3c4d5e6f7g8h"
}

Errors:

• 422: Validation error (invalid email format, missing fields)

POST /api/v1/send-otp

Send OTP - Send a one-time password to an email address.

Response:

{
  "success": true,
  "message": "OTP sent successfully",
  "expires_in": 600,
  "reference_id": "ref_1a2b3c4d5e6f7g8h"
}

Errors:

• 422: Validation error (invalid email, invalid expiry_minutes, etc.)

POST /api/v1/verify-otp

Verify OTP - Validate an OTP code against a stored request.

Response:

{
  "success": true,
  "message": "OTP verified successfully",
  "verified_at": "2024-01-15T10:30:45.123456Z"
}

Errors:

• 422: Validation error (invalid email, missing OTP, etc.)

GET /api/v1/usage

Get Usage - Retrieve current usage statistics and remaining credits.

Response:

{
  "customer": "user@example.com",
  "plan": "Professional",
  "credits_remaining": 4500,
  "credits_total": 5000,
  "usage": {
    "send_otp": 450,
    "verify_otp": 50
  }
}

Errors:

• 422: Validation error (missing API credentials)

Pricing

About

ToolWeb.in - 200+ security APIs, CISSP & CISM, platforms: Pay-per-run, API Gateway, MCP Server, OpenClaw, RapidAPI, YouTube.

• toolweb.in
• portal.toolweb.in
• hub.toolweb.in
• toolweb.in/openclaw/
• rapidapi.com/user/mkrishna477
• youtube.com/@toolweb-009

References

• Kong Route: https://api.toolweb.in/tools/otply
• API Docs: https://api.toolweb.in:8168/docs