---
title: Is mailfloss a real-time email verifier?
slug: is-mailfloss-a-real-time-email-verifier
docTags: 
createdAt: 2025-02-13T14:59:48.952Z
---

Yes! mailfloss operates in real-time for all of our integrations, except for Constant Contact. This means that as soon as an email is submitted, mailfloss instantly checks its validity and processes it accordingly.

### About Real-Time Verification with mailfloss

For seamless real-time email verification, you have multiple options:

- **Instafloss:** Our real-time verification system automatically checks and processes email addresses as they are entered, ensuring a clean and valid email list at all times. For most of our available integrations, Instafloss can be turned on with just a switch! Find more information about this [here](https://docs.mailfloss.com/enabling-instafloss-for-real-time-capabilities-across-integrations).
- **Single Verify API Endpoint:** You can integrate mailfloss directly into your forms using our API to verify email addresses in real-time before they even make it into your lists. You can find our API documentation [here](https://developers.mailfloss.com/).
- **mailfloss Widget:** If you're looking for an easy solution to integrate into your website, our widget allows you to add real-time email verification to your forms effortlessly. Find more information about our widget option [here](https://docs.mailfloss.com/how-to-add-the-javascript-widget-to-your-page).

With these real-time verification methods, mailfloss helps you maintain a high-quality email list while reducing bounces and improving deliverability.