Ikbear

<p>BillionVerify Email Validator checks email addresses in real time as your forms are submitted, stopping fake, mistyped, disposable and undeliverable emails before they reach your database. Cleaner signups mean fewer bounces, less spam and healthier email campaigns.</p>
<p>The plugin verifies each address against the BillionVerify API — performing syntax, MX and SMTP mailbox checks — and rejects the submission when the address matches a status you have chosen to block.</p>
<p><strong>Key features</strong></p>
<ul>
<li>Real-time verification during form submission (no front-end changes required).</li>
<li>Detects valid, invalid, disposable, catch-all, role and risky addresses.</li>
<li>Choose exactly which statuses block a submission — invalid only by default.</li>
<li>Custom error message shown to visitors.</li>
<li>Built-in connection test and single-email test tool in the admin.</li>
<li>Result caching to save credits on repeated addresses.</li>
<li>Fail-open by default: if the API is unreachable or credits run out, forms keep working.</li>
</ul>
<p><strong>Supported forms</strong></p>
<ul>
<li>Default WordPress registration form (including multisite signup)</li>
<li>WordPress comment form</li>
<li>WordPress lost-password form</li>
<li>WooCommerce checkout and account registration</li>
<li>Contact Form 7</li>
<li>WPForms</li>
<li>Gravity Forms</li>
<li>Elementor Pro Forms</li>
<li>Fluent Forms</li>
</ul>
<h3>Third-Party Service Usage</h3>
<p>This plugin sends email addresses to the BillionVerify API (https://billionverify.com/) for verification. Through API calls to BillionVerify servers it verifies email addresses and retrieves account credit information, using the following endpoints:</p>
<ul>
<li>Verify an email address: https://api.billionverify.com/v1/verify/single</li>
<li>Retrieve credit balance: https://api.billionverify.com/v1/credits</li>
</ul>
<p>By installing and activating this plugin, you consent to the transmission of submitted email addresses to these URLs for the purpose of verification. Use of the BillionVerify service is subject to BillionVerify’s Terms of Service (https://billionverify.com/terms) and Privacy Policy (https://billionverify.com/privacy).</p>


BillionVerify Email Validator

Real-time email verification for your WordPress forms. Block invalid, disposable, catch-all and role addresses using the BillionVerify API.

clearoutio

<p>Clearout Email Validation plugin seamlessly integrates with all major forms to validate the email addresses in real time.</p>
<p>The plugin performs 20+ refined real-time validation checks to determine the current status of the email address. These checks include extensive verifications like greylist verification, anti-spam check, gibberish check, catch-all verification, email blacklist verification, temporary email address check, and more.</p>
<h4>Key Benefits of Using Clearout Email Verification Plugin:</h4>
<ul>
<li>Accept only <strong>safe-to-send</strong> email address to <strong>protect your sender reputation</strong></li>
<li>Accept only <strong>business or work email addresses</strong></li>
<li><strong>Prevent fraudulent signups or leads getting into CRM</strong> by stopping <a href="https://clearout.io/blog/2020/09/30/dont-let-your-email-campaigns-be-a-victim-of-disposable-email-addresses" rel="nofollow ugc">temporary / disposable / throw away email addresses</a></li>
<li><strong>Customization to Block free email address providers</strong> like gmail.com / yahoo.com / hotmail.com</li>
<li><strong>Remove</strong> duplicate and <strong>alias email addresses</strong></li>
</ul>
<h4>How to Install Clearout Email Verifier Plugin</h4>
<p><strong>Obtain an API Token:</strong><br />
1. <strong>Log in</strong> to your Clearout account.<br />
2. Navigate to the <a href="https://app.clearout.io/developer/api/list" rel="nofollow ugc">‘Developer’</a> menu and click on <strong>‘+ Create API Token’</strong>.<br />
3. Add the necessary details for reference, and click on “Create” to generate the API token.</p>
<p><strong>Create a Clearout Account (if you don’t have one):</strong><br />
1. <a href="https://app.clearout.io/register" rel="nofollow ugc">Sign up</a> for a Clearout account to <strong>get 100 free email validation credits with no credit card required</strong>.</p>
<p>For more detailed instructions, visit Clearout <a href="https://clearout.io/integrations/wordpress/" rel="nofollow ugc">Email Verifier Plugin Installation</a>.</p>
<p><span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/YG5BrBn7FHo?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span></p>
<h4>Supported Forms/Plugins</h4>
<p>The Clearout email verification plugin supports a rich set of popular form-based plugins by listening to email address capture flow or by hooking into WordPress is_email() function:</p>
<ul>
<li>Elementor Form</li>
<li>Gravity Forms</li>
<li>Forminator Form</li>
<li>WooCommerce Checkout Forms</li>
<li>WooCommerce Registration Form</li>
<li>Fluent Form</li>
<li>WP Forms</li>
<li>Formidable forms</li>
<li>WS Form </li>
<li>WP-Members</li>
<li>Contact Form</li>
<li>Mailster Form</li>
<li>MailChimp</li>
<li>Ninja Forms</li>
<li>Profile Builder</li>
<li>Ultimate Member registration form</li>
<li>Users Ultra registration form</li>
<li>JetPack comments and a contact form</li>
<li>MailPoet</li>
<li>Theme My Login</li>
<li>Paid Memberships Pro</li>
<li>Form Maker by 10Web</li>
<li>Visual Form Builder</li>
<li>Any WordPress registrations & contact forms   </li>
</ul>
<h4>Key Features</h4>
<ul>
<li>Accurate Email Verification</li>
<li>Fastest Real-time Email Validation</li>
<li>Seamless API Integration</li>
<li>Guaranteed Deliverability (Safe to send)</li>
<li>High Precision Advanced Catch-all Resolver</li>
<li>Block Role Email</li>
<li>Block Disposable Email</li>
<li>Block Gibberish Email</li>
<li>Email / Domain Allowlisting and Blocklisting</li>
<li>Custom Error Message</li>
<li>Limit email validation to only required pages</li>
<li>Low Credit Notification Alert</li>
<li>Team Accounts</li>
<li>Syntax Verification</li>
<li><a href="https://docs.clearout.io/api-overview.html#testing" rel="nofollow ugc">Test email addresses</a></li>
</ul>
<h4>Know A Little More About Clearout Email Verification Service</h4>
<p>In addition to its availability as a WordPress Plugin, Clearout Email Verifier supports email verification in multiple forms and ways to meet the needs of the user. Other verification methods supported by Clearout Email Verifier are – Bulk email list validation, real-time email validation API, and Form Guard Email Validation.</p>
<h4>FURTHER READING</h4>
<p>More about Clearout Email Verification</p>
<ul>
<li><a href="https://clearout.io/email-verification-api/" rel="nofollow ugc">https://clearout.io/email-verification-api/</a></li>
<li><a href="https://clearout.io/disposable-email-checker/" rel="nofollow ugc">https://clearout.io/disposable-email-checker/</a></li>
<li><a href="https://clearout.io/integrations/" rel="nofollow ugc">https://clearout.io/integrations/</a></li>
<li><a href="https://clearout.io/help/" rel="nofollow ugc">https://clearout.io/help/</a></li>
<li><a href="https://docs.clearout.io/" rel="nofollow ugc">https://docs.clearout.io/</a></li>
</ul>
<p>Other Clearout Services</p>
<ul>
<li><a href="https://clearout.io/email-finder/" rel="nofollow ugc">https://clearout.io/email-finder/</a></li>
<li><a href="https://clearout.io/sales-prospecting/chrome-extension/" rel="nofollow ugc">https://clearout.io/sales-prospecting/chrome-extension/</a></li>
<li><a href="https://clearout.io/sales-prospecting/advanced-data-enrichment/" rel="nofollow ugc">https://clearout.io/sales-prospecting/advanced-data-enrichment/</a></li>
<li><a href="https://clearout.io/reverse-lookup/linkedin/" rel="nofollow ugc">https://clearout.io/reverse-lookup/linkedin/</a></li>
<li><a href="https://clearout.io/reverse-lookup/email/" rel="nofollow ugc">https://clearout.io/reverse-lookup/email/</a></li>
</ul>


Clearout Email Validator – Real-Time Email Verification on WordPress Forms

Block invalid emails like temporary, disposable, etc. with our real-time email verification. Verify email address during form-fill and stop form spam.

BillionVerify Email Validator vs Clearout Email Validator – Real-Time Email Verification on WordPress Forms