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Description
BounceLens is a web-based tool designed for marketers, newsletter creators, e-commerce businesses, sales personnel, and developers to verify email lists. Users can easily input individual email addresses or upload a CSV file to identify issues such as incorrect formatting, non-existent domains, lack of mail services, potential typos, temporary addresses, duplicate entries—including variations with Gmail's dot and plus tagging—and role-based email accounts like info@ or sales@. The tool leverages public DNS data to evaluate the mail configuration of domains; however, it does not directly reach out to recipient mail servers to ascertain if a specific mailbox is active, which is why the results are deemed unconfirmed instead of verified. This functionality assists teams in pinpointing potentially invalid or risky email addresses prior to sending communications or maintaining their lists. Additionally, BounceLens is available through extensions and add-ons, as well as a self-hosted HTTP API, an MCP server, and various programming language libraries, allowing users to integrate these checks seamlessly into their existing workflows. These features make BounceLens a versatile solution for ensuring the quality of email communications.
Description
Null Bounce helps companies reduce the bounce rate of their email campaigns. The service can also be used as an API. This allows users to verify that they have entered a valid email address on sign-up forms.
Null Bounce uses a variety of methods to verify each email. These include SMPT-validation as well as provider-specific methods. You can also detect duplicates, disposable and free emails. All duplicate emails are free.
Here are some Null Bounce features: Free Trial; SMTP verification; ESP-specific validation. Anti-greylisting Method. API Access. Disposable emails cleaner. Catch-All Domain Checker. Email duplicates checker. Role and free email. Unknown results are also free.
API Access
Has API
Yes
API Access
Has API
Yes
Screenshots View All
No images available
Integrations
Model Context Protocol (MCP)
No
Pricing Details
Free
The email list checker is free to use, with no signup, credits, or stated daily limit.
Free Trial
No
Free Version
Yes
Pricing Details
$5.00/one-time
Free Trial
Yes
Free Version
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
No
Customer Support
Business Hours
Yes
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
No
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
BounceLens
Founded
2026
Country
India
Website
bouncelens.com
Vendor Details
Company Name
Null Bounce
Founded
2021
Country
Russia
Website
nullbounce.com
Product Features
Email Verification
Bulk Email Verification
No
Catch-all Server Detection
No
Disposable Email Detection
No
Domain Check
No
Mail Server Validation
No
Single Email Verification
No
Spam Trap Detection
No
Syntax Check
No
Product Features
Email Verification
Bulk Email Verification
Yes
Catch-all Server Detection
Yes
Disposable Email Detection
Yes
Domain Check
Yes
Mail Server Validation
Yes
Single Email Verification
Yes
Spam Trap Detection
No
Syntax Check
Yes