MailboxValidator
APIFree Email Validation API to Boost Deliverability
Overview
MailboxValidator provides RESTful endpoints for email validation, including single address checks. Responses are JSON-formatted, delivering insights like deliverability status, domain validity, MX record presence, spam trap detection, and disposable email identification. Ideal use cases include cleaning email lists to reduce bounce rates, verifying user sign-up emails to prevent fake accounts, improving email campaign ROI, and ensuring compliance with anti-spam policies. The free tier caters to basic validation needs, while paid plans offer batch processing, higher rate limits, and advanced data points.
Example Integration (JavaScript)
fetch('https://www.mailboxvalidator.com/api-email-free')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful API
- JSON Response Format
- Free Tier Available
- Spam Trap Detection
- Domain Validity Check
- MX Record Verification
Frequently Asked Questions
? Is MailboxValidator free to use?
Yes, it offers a free tier with limited monthly requests; paid plans are available for higher volume and advanced features like batch validation.
? Does it require an API Key?
Yes, you need to sign up for a free or paid account to obtain an API key for authenticating requests.
? What is the response format?
All responses are in JSON format, providing detailed data points such as email validity, deliverability status, and domain-related checks.
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People Also Ask about MailboxValidator
Tool Info
Pros
- ⊕ Easy to Integrate
- ⊕ Actionable Validation Insights
- ⊕ Reduces Email Bounce Rates
- ⊕ Freemium Model (Free Basic Access)
Cons
- ⊖ Free Tier Has Rate Limits
- ⊖ Advanced Features Locked Behind Paid Plans
- ⊖ Batch Validation Only In Paid Tiers