Introducing OTP Email Service: Send verification codes with your custom template

Easy & Simple to Integrate

Validate Emails withUnmatched Precision

Powerful email validation API to help you maintain clean email lists, prevent fake signups, and ensure 99.9% deliverability.

Developer Friendly
99.9% Accuracy
24/7 Support

Change the way you validate emails

Real-time Validation

Instantly validate email addresses with our powerful API

Lightning Fast

Get results quickly with our optimized infrastructure

Detailed Analysis

Comprehensive email validation with multiple check points

99.9%
Accuracy Rate
500K+
Emails Validated
<100ms
Response Time

How It Works

Simple integration, powerful results

1

Get Your API Key

Sign up and get your API key from the dashboard

2

Integrate API

Add our simple API calls to your application

3

Get Results

Receive detailed validation results in real-time

Newly Added
Recommended

OTP Email Service

Send OTP codes directly to your users with our reliable email delivery service. Customize the email template and let us handle the delivery infrastructure.

Custom Templates

Design your own email template or use our pre-built ones

Reliable Delivery

Built on enterprise-grade email infrastructure

Delivery Tracking

Monitor email delivery and engagement

Send OTP Email Example
const response = await fetch(
  'https://api.emailkit.app/api/v2/generate-otp',
  {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'x-api-key': 'YOUR_API_KEY'
    },
    body: JSON.stringify({
      email: 'user@example.com'
    })
  }
);

const data = await response.json();
// {
//   "success": true,
//   "otp": "123456",
//   "expiresAt": "2024-02-20T15:30:00Z",
//   "email": "user@example.com"
// }

Bulk Email Validation

Validate thousands of emails in seconds with our powerful bulk validation tool.

Upload or paste email lists
Instant validation results
Export valid & invalid emails
Detailed validation reports
Support for CSV and TXT files
Up to 100,000 emails per batch

Bulk Validation

Live Demo

Drag and drop your email list
or click to upload

valid@example.com
invalid@example
business@domain.com

Simple, Transparent Pricing

Start with 1,000 free credits which converts to 1K requests, then choose the package that fits your needs

Free Credits

Start Free

Get 1,000 credits instantly upon signup. No credit card required.

1,000 credits

1K requests

Flexible Packages

Choose from our range of pre-built packages with increasing volume discounts, starting from just £9.

Custom Amounts

Need a specific amount? Create your own package with our flexible pricing calculator.

Secure

Enterprise-grade security

Fast

Real-time validation

Flexible

Unlimited API keys

Start with 1,000 Free Credits

No credit card required

Powerful Email Validation

Validate Emails with Confidence

99.9% Accuracy
Real-time Validation
Enterprise Security

Join thousands of developers building better applications with EmailKit

Self Hosted Option

One-Time Password API

Implement secure authentication flows with our new OTP generation and verification API. Perfect for two-factor authentication, password resets, and secure user verification. We handle the OTP generation and verification, you handle the email sending service.

Secure 6-digit Codes

Cryptographically secure OTP generation

Time-Based Expiry

15-minute validity period for enhanced security

Rate Limited

Built-in protection against abuse

Generate OTP Example
const response = await fetch(
  'https://api.emailkit.app/api/generate-otp',
  {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'x-api-key': 'YOUR_API_KEY'
    },
    body: JSON.stringify({
      email: 'user@example.com'
    })
  }
);

const data = await response.json();
// {
//   "success": true,
//   "otp": "123456",
//   "expiresAt": "2024-01-20T15:30:00Z"
// }

Simple Integration

Integrate with your favorite programming language

JavaScript/Node.js

const response = await fetch('https://api.emailkit.app/api/validate-email', {
  method: 'POST',
  headers: {
    'Authorization': 'x-api-key YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({ email: 'user@example.com' })
});

const data = await response.json();

Python

import requests

response = requests.post(
    'https://api.emailkit.app/api/validate-email',
    headers={
        'Authorization': 'x-api-key YOUR_API_KEY'
    },
    json={'email': 'user@example.com'}
)

data = response.json()

Frequently Asked Questions

Everything you need to know about EmailKit

How accurate is the email validation?

Our email validation service achieves 99.9% accuracy through multiple validation methods including syntax checking, domain validation, and SMTP verification.

What happens if run out of credits?

You'll receive an email notification when your credits run below 500. You can purchase more credits to continue using our API services.

Do you store the email addresses?

No, we don't store any email addresses. We only process them for validation and immediately discard them afterward.

What's your uptime guarantee?

We maintain a 99.9% uptime SLA for all users. If we are planning to undergo maintenance, we will notify you in advance.

Self Service vs EmailKit OTP Sending Service?

EmailKit OTP Sending Service is a hosted solution that allows you to send OTPs to your users without having to worry about the infrastructure. It's a fully managed service that you can scale as needed. Self hosted requires you to manage the infrastructure and the OTP sending process yourself whilst we handle the OTP generation and verification process.

Are credits refundable?

No, credits are usually non-refundable. Once purchased, they are yours to use as you see fit. However, if you have any issues with the service, please contact us and we will do our best to find a solution and if needed, refund your credits or alternatively, offer you credits as a goodwill gesture.

Do you have a referral program?

Currently, we do not have a referral program. However, we are working on one and will be launching it soon. If you are interested in referring a friend, please contact us and we will notify you when it's ready.

Do you work with charities?

Yes, we do work with charities. If you are a charity and would like to use our API services, please contact us and we will do our best to find a solution and, offer you credits you require, free of charge. We believe in giving back to the community and helping those in need. The appropriate proof of charity status will be required.

Perfect For Every Need

Discover how EmailKit can help your business

User Registration

Prevent fake signups and ensure valid user data from the start. Perfect for SaaS platforms and online services.

  • Real-time validation
  • Prevent disposable emails
  • Reduce bounce rates

Email Marketing

Maintain clean email lists and improve deliverability rates for your marketing campaigns.

  • Bulk validation
  • List cleaning
  • Improved sender reputation

Enterprise Solutions

Custom integration for large-scale operations with high-volume email validation and OTP sending needs.

  • OTP Sending Service
  • Priority Support
  • Discounted Credits

System Status

Real-time performance metrics

API Uptime
99.99%
Response Time
45ms
Success Rate
99.9%
API Requests
61K+
Get Started in Seconds

Ready to Get Started?

Start validating emails in minutes with our powerful API.Sign up now and get 1K free validations.

No credit card required
Instant access to API

Latest Insights

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