OTPly

Email OTP Service - Simple, Fast, Reliable

Audits

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Agentic behavior and permission review.

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Pattern checks against bundled files.

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Multi-engine malware detections and file reputation.

Install

openclaw skills install toolweb-otply

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.

Parameter	Type	Required	Description
None	—	—	—

Response: Returns API root metadata.

GET /health

Health Check - Service health status endpoint.

Parameter	Type	Required	Description
None	—	—	—

Response: Returns HTTP 200 with service health information.

POST /api/v1/register

Register - Create a new customer account.

Parameter	Type	Required	Description
email	string (email)	Yes	Customer email address
password	string	Yes	Account password
company_name	string	No	Company name (optional)

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.

Parameter	Type	Required	Description
email	string (email)	Yes	Customer email address
password	string	Yes	Account password

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.

Parameter	Type	Required	Description
X-API-Key	string (header)	Yes	Your API key
X-API-Secret	string (header)	Yes	Your API secret
email	string (email)	Yes	Recipient email address
purpose	string	No	OTP purpose (e.g., "verification", "login", "recovery"); defaults to "verification"
template	string	No	Email template name; defaults to "default"
expiry_minutes	integer	No	OTP validity in minutes; defaults to 10

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.

Parameter	Type	Required	Description
X-API-Key	string (header)	Yes	Your API key
X-API-Secret	string (header)	Yes	Your API secret
email	string (email)	Yes	Email address associated with OTP
otp	string	Yes	The OTP code to verify (typically 6 digits)
purpose	string	No	OTP purpose for matching; defaults to "verification"

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.

Parameter	Type	Required	Description
X-API-Key	string (header)	Yes	Your API key
X-API-Secret	string (header)	Yes	Your API secret

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

Plan	Calls/Day	Calls/Month	Price
Free	5	50	Free
Developer	20	500	$39/mo
Professional	200	5,000	$99/mo
Enterprise	100,000	1,000,000	$299/mo

About

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

References

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