Real-Time & Bulk Email Validation API
Lightning-Fast. Privacy-Focused.

Eliminate invalid, disposable, spam-traps or catch-all emails before they impact your campaigns. Reduce bounce rates, improve email deliverability, and prevent fake signups using the fastest, GDPR & CCPA-compliant email checker.

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join 100+ developers and businesses worldwide

How it works

See NoParam in action

noparam.com

Syntax & Formatting Check – Instantly detects typos, missing characters, and invalid formats.

API Response

Body

Cookies

Headers

// Our bulk email verifier tool runs a multi-layer validation process to ensure accuracy
// Click "Validate email" to see the API response
// ✅ Works in real-time, delivering results in milliseconds to streamline your email marketing workflow
// Integrate our email verification API with CRM, email marketing tools, and automation platforms to keep your contact lists clean

Why choose NoParam?

Stop Bounces. Improve Deliverability. Protect Your Reputation.

Real-time email verification

Our email verification service instantly detects fake, mistyped, temporary or role-based emails while verifying syntax, domain, MX records and mailbox validity.

{
  "email": "contact@noparam.com",
  "validations": {
    "syntax": true,
    "domain_exists": true,
    "mx_records": true,
    "mailbox_exists": true,
    "is_disposable": false,
    "is_role_based": true
  },
  "score": 90,
  "status": "VALID"
}

Privacy-first email validation

We never store your data. NoParam is fully GDPR, CCPA, and PIPEDA compliant for complete data protection.

Blazing-fast performance

Validate emails in under 300ms without slowing down your apps or workflows.

Body

Cookies

Headers

{ "email": "contact@noparam.com" }
200 OK
35ms
437 B

Easy API integration

Connect with your existing email marketing tools, CRMs, and automation platforms in minutes.

noparam.js
1await fetch("https://noparam.com/api/v1/validate", {
2  method: "POST",
3  headers: {
4    Authorization: "Bearer YOUR_API_KEY",
5  },
6  body: JSON.stringify({
7    email: "contact@noparam.com",
8  }),
9});

Real-world experiences

What customers are saying

I've tried multiple email validation services, but this one stands out. The accuracy is top-notch, and the API is super easy to work with. It's now an essential part of our onboarding process!

Michael L.

SaaS Founder

As a marketer, keeping our email lists clean is crucial. This API has been a game-changer! It's incredibly fast, integrates seamlessly, and has saved us from countless bounces.

Sarah T.

Email Marketing Specialist

Start for free today

Frequently asked questions

Our API is designed to provide highly accurate email verification by detecting disposable, fake, and invalid addresses in real-time. Customers have seen a significant reduction in bounced emails and improved deliverability rates.

Still have questions?

Our support team is always happy to help. Reach out anytime, and we'll get back to you as quickly as possible!

Integrate with your favorite tools

Get email validation inside your marketing and CRM platforms

Our Mailchimp integration is available now, allowing you to validate contacts directly within your email lists. More integrations, including HubSpot and Brevo, are coming soon to help you maintain a clean, high-quality email database with ease.

NoParam
Mailchimp
HubSpot
Klavyio
ActiveCampaign
Brevo
Now Available on WordPress

Direct WordPress Integration

Validate emails directly in your WordPress forms with our official plugin. Prevent fake signups and maintain a clean subscriber list without leaving your dashboard.

Real-Time Validation

Instant email checks in contact forms, registration pages, and post comments.

Spam Protection

Block disposable emails and invalid emails before they reach your database.

Custom Error Messages

Customize error messages that users see when they enter invalid emails – explain whether it's a typo, temporary address, or unsupported provider.

Get the Free Plugin

WordPress Plugin

Protected Areas

Toggle individual validations

Contact Form 7

Block invalid emails in CF7 forms

WP Forms

Block invalid emails in WPForms forms

User Registration

Prevent fake signups

Comments Section

Verify comment author emails

Custom Error Messages

Customize email validation feedback for your users

Say goodbye to bounced emails

Clean Your Email List with our Free Email Checker

Bounced emails hurt your sender reputation, waste marketing budget, and lower engagement. Our free email verifier software ensures your emails reach real inboxes, not spam folders. With NoParam, you get:

  • Higher email deliverability & inbox placement
  • Reduce hard bounces & spam complaints
  • Protect your sender reputation & improve engagement
  • Better open rates, clicks, and conversions
Start validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantlyStart validating emails instantly