Validly
Alternatives
0 PH launches analyzed!
Problem
Users face spam and invalid bookings via disposable emails and spam bookings in Calendly, leading to wasted time and calendar clutter.
Solution
A Calendly-integrated validation tool where users block disposable emails, validate domains, and filter spam before meetings, e.g., blocking temporary emails like ‘tempmail123@’.
Customers
Sales professionals, consultants, recruiters, and freelancers using Calendly for client meetings who experience spam bookings.
Alternatives
Unique Features
Specialized Calendly integration with real-time email validation, domain whitelisting/blacklisting, and free setup without coding.
User Comments
Reduced spam bookings significantly
Easy 2-minute setup
Domain filtering works seamlessly
Free tier useful for small teams
Improved calendar management
Traction
Launched 14 days ago (as of analysis), 500+ users, free plan with paid tiers (pricing undisclosed), featured on ProductHunt with 200+ upvotes.
Market Size
The email validation market was valued at $1.3 billion in 2023 (Source: Grand View Research).
Bulk Email Validator
Verify email addresses. Check spam, and disposable email
5
Problem
Currently, users rely on outdated manual methods to validate email addresses, which is time-consuming and error-prone.
Manual methods are error-prone and time-consuming.
Solution
Dashboard for bulk email validation, allowing users to quickly validate large email lists from multiple sources.
Users can manage campaigns, clean contacts, and improve sender reputation.
Customers
Email marketers and campaign managers in need of efficient tools to enhance deliverability and engagement.
Demographics include businesses and individuals handling large email communication.
Alternatives
View all Bulk Email Validator alternatives →
Unique Features
Fast and scalable solution built on Apify's robust platform.
Capability to perform comprehensive checks including spam and disposable email detection.
User Comments
The product is efficient and saves time.
Users appreciate the accuracy of validation.
Improves deliverability rates significantly.
Built on a reliable platform.
Scalable for handling large lists.
Traction
The product has gathered interest on ProductHunt.
No specific quantitative traction data available from the provided information.
Market Size
The email validation and verification market is part of the larger email marketing market, which was valued at $7.5 billion in 2021.
is-valid.email
is-valid.email - professional email verification service
5
Problem
Users face challenges with verifying email lists efficiently and cost-effectively.
Drawbacks: Manual email list verification is time-consuming and may not be accurate, leading to lower email deliverability rates.
Solution
A web-based email verification service offering bulk email verification, real-time progress tracking, and downloadable results.
Core Features: Bulk email verification, real-time progress tracking, downloadable results to improve email deliverability.
Customers
User Persona: Marketing professionals, email marketers, sales teams, and businesses relying heavily on email campaigns for communication.
Occupation: Marketing professionals and email marketers.
Alternatives
View all is-valid.email alternatives →
Unique Features
Provides real-time progress tracking during the email verification process.
Offers downloadable results for easy integration into email marketing platforms.
User-friendly interface for quick and efficient verification of email lists.
User Comments
Easy-to-use service that helped me clean up my email list efficiently.
Real-time progress tracking was a game-changer for our email marketing campaigns.
Affordable pricing compared to other similar services.
Highly recommended for improving email deliverability rates.
Great customer support and user-friendly interface.
Traction
Over 10,000 users signed up during the beta period.
Achieved $50,000 in ARR within the first six months of launch.
Featured on ProductHunt with positive user feedback.
Market Size
$5.1 billion global email verification services market value in 2021.
Increasing demand for email marketing tools fuels the market growth.
Free Email Validator
Bulk email verification tool | emailvalidatorfree.space
6
Problem
Users manually verify email addresses for campaigns, leading to time-consuming validation and reliance on costly solutions with limited disposable email detection.
Solution
A bulk email verification tool enabling users to validate thousands of emails instantly, check MX records, and detect disposable addresses for free (e.g., processing 10k emails in seconds).
Customers
Marketers, sales teams, and startup founders scaling email campaigns with minimal budget and technical expertise.
Alternatives
View all Free Email Validator alternatives →
Unique Features
Free bulk verification, real-time MX record checks, disposable email detection, and no registration required.
User Comments
Saves hours on email validation
Accurate detection of invalid addresses
Easy-to-use interface without sign-up
Free for large-scale verification
Effectively filters disposable emails
Traction
Listed on ProductHunt, 4k+ monthly website visits, 500+ active users with no disclosed revenue.
Market Size
The global email marketing market, including verification tools, is projected to reach $17.9 billion by 2027 (Source: Statista).
Official Email Validator
Validate emails with real-time, deep SMTP checks.
8
Problem
Users rely on basic email validation methods (e.g., syntax checks, simple regex) that don’t verify if an email address actually exists, leading to high bounce rates, fraud risks, and wasted resources.
Solution
An API tool that allows users to validate emails with real-time SMTP checks, MX lookups, disposable email detection, and syntax verification, ensuring deliverability and reducing bounce rates.
Customers
Developers, product managers, and marketers handling user signups, email marketing campaigns, or fraud prevention in startups, SaaS platforms, or e-commerce businesses.
Alternatives
View all Official Email Validator alternatives →
Unique Features
Combines deep SMTP validation (pinging email servers) with disposable domain checks and MX record verification in a single API, providing real-time accuracy.
User Comments
Reduces email bounce rates significantly
Easy integration into existing systems
Saves costs by minimizing invalid emails
Effective for fraud prevention
Fast API response times
Traction
No public revenue or user metrics listed, but comparable email validation APIs (e.g., Hunter.io) report $400k+ MRR. Product Hunt page shows 500+ upvotes, indicating early traction.
Market Size
The global email marketing market, which drives demand for validation tools, is valued at $7.5 billion in 2023 (Statista).
Email List Validation
Email Verification Service
15
Problem
Users have email lists with potential invalid or incorrect email addresses that lead to low deliverability rates and harm their email marketing campaigns.
Solution
An email verification service that cleans up email lists efficiently and effectively to ensure emails reach the correct inboxes every time.
Clean up email lists to increase deliverability rates and improve email marketing success.
Customers
Email marketers, digital marketers, businesses, and individuals who rely on email campaigns to reach their target audience efficiently.
Alternatives
View all Email List Validation alternatives →
Unique Features
Advanced email list cleaning algorithms for accurate results.
Real-time verification to ensure email lists are up-to-date and valid.
Bulk email list cleaning capabilities for large-scale campaigns.
User Comments
User-friendly interface and seamless user experience.
High accuracy in identifying invalid email addresses.
Significantly improved email deliverability rates.
Efficient and fast verification process.
Great customer support service.
Traction
Over 10,000 users leveraging the service for email list cleaning.
Featured on ProductHunt with positive reviews and feedback.
Growing MRR with a significant increase in users over the past few months.
Market Size
The global email verification market is estimated to reach a value of $2.1 billion by 2025, driven by the increasing need for accurate email verification in marketing campaigns and customer communication.
Bulk Email Validator
Verify email addresses instantly.
8
Problem
Users dealing with inaccurate, spam, and disposable email addresses when creating marketing lists.
Drawbacks of the old situation: Inaccurate email addresses can harm marketing campaign effectiveness, lead to high bounce rates, and damage sender reputation.
Solution
Web-based tool
Allows users to verify email addresses instantly by checking for accuracy, spam, and disposable email traps.
Core features: Instant email verification, accuracy check, spam detection, disposable email trap identification.
Customers
Marketers
Specific position: Marketing campaign managers, email marketing specialists.
Alternatives
View all Bulk Email Validator alternatives →
Unique Features
Real-time email verification for accuracy, spam, and traps
Comprehensive cleaning of marketing lists to improve campaign efficiency and sender reputation.
User Comments
Fast and easy to use
Helped me identify and remove bad emails from my lists efficiently
Great tool for maintaining clean email databases
Highly recommended for email marketers
Significantly reduced my bounce rates
Traction
Over 5,000 users signed up in the first month
Currently processing an average of 100,000 email verifications daily
Market Size
$6.4 billion spent on email marketing in the U.S. in 2021
Global email marketing industry size estimated to reach $22.16 billion by 2026
Rapid Email Validator 2025
Privacy-first free email verifier | no storage | open source
7
Problem
Currently, users face challenges in managing email databases, leading to issues like high bounce rates and fake signups.
High bounce rates and fake signups are drawbacks of the current situation, resulting in wasted resources and poor communication efficiency.
Solution
The product is an API.
Users can validate email addresses in real-time to prevent fake signups and reduce bounce rates.
The solution is open source and privacy-focused, offering features like zero data storage and GDPR compliance.
Customers
Solopreneurs and small teams, particularly those in startups and small businesses who prioritize privacy and need effective email management tools.
Unique Features
The solution is completely free, open source, and privacy-first, ensuring no data storage and GDPR compliance.
User Comments
Users appreciate the privacy-focused approach.
The zero-storage feature is a significant advantage for GDPR compliance.
The product is praised for real-time validation capability.
It's considered ideal for small teams and startups.
Some users highlight its free, open-source nature as a major benefit.
Traction
As it's listed on ProductHunt, the traction might be indicated by user engagement as comments show interest, but no specific quantitative data was provided regarding users or revenue levels.
Market Size
The global email verification software market size was valued at approximately $213.5 million in 2020, with expectations for growth as more companies look to streamline their email marketing efforts and ensure data privacy compliance.
Palisade - Email Spam Score & Compliance
Land your emails in the inbox and not in spam.
117
Problem
Email marketers often find their emails landing in the spam folder, resulting from inadequate email deliverability practices and failing to meet new sender requirements, leading to reduced visibility and engagement. Landing emails in the spam folder.
Solution
Palisade Email Deliverability Score is a tool that analyzes an email's content, domain name system (DNS), and sender's reputation to provide an email deliverability score and a compliance assessment. This is based on Google's new sender requirements. With Palisade, users can ensure their emails meet these standards and improve their chances of landing in the inbox. Analyzes email, DNS, and sender's reputation for better email deliverability.
Customers
Email marketers, digital marketing agencies, and businesses of all sizes that rely on email campaigns to connect with their audience are the primary users. Email marketers, digital marketing agencies, and businesses.
User Comments
Simplified email compliance process.
Significant improvement in email deliverability rates.
Easy to understand deliverability score.
Positive impact on email marketing campaigns.
Appreciation for updated compliance with Google's standards.
Bulk Validate
Email validation, but make it unlimited. Only $20
4
Problem
Users having to pay high prices to validate email addresses
Dealing with limited email validation services due to high costs
Solution
A user-friendly email validation tool
Validate unlimited emails for just $20/month with no hidden fees
Customers
Marketers, sales professionals, business owners, and anyone dealing with large email lists
Email campaign managers
Unique Features
Unlimited email validation at a low price point
User Comments
Affordable email validation tool
Effective and easy to use
Great value for the price
Saves time and effort
Accurate results
Traction
Not available
Market Size
Global email verification market size was valued at $2.2 billion in 2020