Best Email Verification and Validation Services (API)

Do you want to run a successful email marketing campaign? First, you should have a valid list of email addresses. A valid email is essential for any business to run email marketing successfully. Email Verification and Validation Services removes all invalid email addresses to prevent bounces. They also provide insight into spam and abuse email addresses.
Benefits of email verification and validation service
- Increase in the delivery rate
- Higher conversion rate
- Cost-saving
- Prevents from getting blacklisted
Zero Bounce | TheChecker | EmailListVerify | |
---|---|---|---|
Free |
Up to 100 email validations per month |
100 emails (One time) |
100 emails (One time) |
Pricing |
$65 for 10k validations |
$19 for 10k validations |
$24 for 10k validations |
Spam Trap Remover | |||
Catch-All Validation | |||
Syntax Validation | |||
Remove invalid email addresses | |||
Email Bounce Detection |
Best Email Verification and Validation Services (API)
1) Zero Bounce

Zero Bounce is an award-winning email validation service with validation accuracy of up to 98%. They provide integration with all the leading bulk email SMTP providers. Zero Bounce also has rest api for single and bulk email verification.
Features:
- Removal of Invalid Email Addresses: Removes email addresses that don't exist. Removes misspelled email addresses.
- Spam Trap and Abuse Email Verifier: Removes known spam and abusive addresses
- A.I. Email Scoring and Catch-All Validation System: An email scoring system that uses artificial intelligence to rate the value of an email address.
2) TheChecker

TheChecker is one of the leading and affordable email validation service provider. Users can validate emails either by upload or using API. TheChecker has rest api for single and bulk email verification. They also provide integration with all the leading bulk email SMTP providers. TheChecker basic plan starts with $19 per 10,000 email verification.
Feature:
- Email Bounce Checker
- Anti-Greylisting Technology
- Accept-all Email Checker: Checks for domains that are catch-all, which return valid for all addresses.
- Misspelled Domain Detection & Syntax Validation
- Spam Trap Remover
- Disposable Email Checker
3) EmailListVerify

EmailListVerify provides a fully-featured email verification service. Get rid of spam traps, hard bounces, disposable, or catch-all emails. EmailListVerify validation costs $24 for 10K emails. They also provide integration with all the leading bulk email SMTP providers and have api for single and bulk email verification.
Features:
- Spam trap checker: Identify spammers and improve your reputation score with spam trap checker.
- Disposable emails cleaner
- Catch-all domains checker
- Misspelled Domain Detection & Syntax Validation
- Hard bounce checker: Detects and verifies all undeliverable messages.