"Check365 helped us clean a large contact list before a campaign launch. The validation results were accurate and easy to review."
Michael Carter
Email Marketing Manager
Email Verification and List Cleaning for Better Campaign Performance
Verify every address before campaigns and clean your lists continuously to reduce bounce rates, protect sender reputation, and improve deliverability and engagement across your email programs.
Trusted by 6,000+ businesses protecting list quality, sender reputation, and inbox placement
"The platform is straightforward and reliable. We use it regularly to verify contacts before sending email campaigns."
Priya Patel
Growth Marketing Manager
"We validated thousands of records in a short time. The process was fast and the reporting was clear and useful."
Li Wei
CRM Manager
EU GDPR Compliant
CCPA Compliant
SOC 2 CompliantCore Framework
The Four Pillars of Email Performance
Every successful email program depends on four fundamentals: accurate contacts, audience insight, clean data, and deliverability confidence. Check365 helps you strengthen each pillar before every campaign.
01 Validate Contacts
Real-time Email Validation
Verify email addresses before they enter your CRM, applications, or workflows. Reduce wasted outreach and maintain higher-quality customer data from the start.
- Detect invalid and risky addresses
- Identify disposable emails instantly
- Validate through dashboard or API
Invalid email
Trusted Email Checker and Verification Platform
Advantages of Using Check365 For Email Validation
Improved Deliverability
By removing the wrong and spammy email addresses, your campaign will be delivered to the right customer and will increase the open rate
Maintaining Good Sender Reputation
As you are not sending to any non-existence email address, your sender reputation will be preserved and will reduce the chance of getting into spam box.
Cost Minimizing
Your investment will not be wasted as you are eliminating the invalid email addresses before sending emails which will increase your ROI.
Advanced Insights
Our dashboard will show you some advanced insights about your email campaign and how many emails are valid, invalid, and risky.
Meeting Compliance For Better Privacy
We ensure all data are handled safely with top-notch security to meet the compliance and data safety
Easy API Integration
Plug Check365 into your existing workflows with simple, reliable API calls.
Validate individual email addresses or entire lists with fast, reliable API responses built for applications, integrations, and automated workflows. Detect email providers, identify personal and professional accounts, and verify addresses before they impact your campaigns, CRM, or business processes.
- Single and list validation
- Reliable results for automation and CRM integrations
- Simple REST API with JSON responses
cURL
JavaScript
Node.js
Python
PHP
Go
Java
C#Trusted by teams building applications on:
Integrates With
Works with the platforms your team already uses
Connect Check365 to your marketing stack and keep your data pipeline clean from list import to campaign send.
Mailchimp
HubSpot
Klaviyo
Brevo
ActiveCampaign
OmnisendFlexible Pricing Plans to Fit Your Needs
It doesn’t matter what size your business is, our tool will work well for you. Credits pricing are based on the number of email validations you need. and you can buy more credits as you go. the higher the number of credits you buy, the lower the cost per credit.
- Get 100 credits on sign up
- Pay as you go pricing model
- Email validation cost 1 credit
- Starting from $0.0025 per credit
Popular credit packages
Buy Credits
Allowed Email Validation
Cost per credit
Total Amount (USD)
Credits
10,000
2000 (Minimum)500000 (Maximum)
Enterprise
For businesses that need a more robust solution, and validation at scale.
- Unlimited email validations
- Custom Data Integration Support
- Dedicated Account Manager
- Custom Pricing
Save Time and Effort with our secure email validity checker
Check365 works with all types of email systems. Check the validity of emails like Microsoft 365, Gmail, Yahoo!, AOL, etc. and can bring success to your email marketing campaign.
24/7
Customer Support
99%
Percent Accuracy
10M+
Emails Scanned Daily
Frequently Asked Questions
Have a question? We have the answer. Browse our frequently asked questions to get quick information on our email validation services.
What is email validation?
Email validation is the process of verifying that an email address is valid and deliverable. It is an essential step in maintaining a clean and up-to-date email list, reducing bounce rates, and protecting your sender reputation.
Why is email validation important?
Email validation is important because it ensures that your emails reach the right inbox. By verifying email addresses, you can reduce bounce rates, improve deliverability, and protect your sender reputation.
How does email validation work?
Email validation works by checking the syntax, domain, and mailbox of an email address to ensure it is valid and deliverable. It uses a combination of algorithms and databases to verify the accuracy of an email address.
What are the benefits of email validation?
The benefits of email validation include reduced bounce rates, improved deliverability, and enhanced sender reputation. By verifying email addresses, you can ensure that your emails reach the right inbox and are not marked as spam.
Is the API easy to integrate?
Yes, our API is easy to integrate into your software. We provide comprehensive documentation and support to help you get started quickly and easily.
Latest News And Information
.webp)
Grow faster with cleaner customer data.
Get Started Today