Abstract Email Validation API

API

Real-time email validation API for deliverability and spam risk checks

Overview

The Abstract Email Validation API provides a RESTful endpoint to verify email addresses for validity, deliverability, and spam potential. Send a GET request with the target email to receive a JSON response including fields like validity status, deliverability score, domain MX record existence, spam trap detection, disposable email flag, and syntax checks. Ideal use cases include filtering invalid sign-ups during user onboarding, cleaning email lists to boost marketing campaign ROI, and blocking spammy registrations to enhance platform security.

Example Integration (JavaScript)

script.js JS


fetch('https://www.abstractapi.com/email-verification-validation-api')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful interface
JSON response format
Deliverability checks
Spam trap detection
Domain MX verification

Frequently Asked Questions

? Is the Abstract Email Validation API free to use?

Yes, it offers a free tier with 1000 monthly requests. Paid plans are available for higher volume needs.

? Does it require an API Key?

Yes, you need to register on AbstractAPI to get an API key for authenticating all requests.

? What is the response format?

All responses are in JSON format, including details like validity status, deliverability score, spam risk, and domain information.

Top Alternatives

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Tool Info

Pricing Freemium

Category Email

Platform Public API

Pros

⊕ Freemium tier available
⊕ Easy integration
⊕ Detailed validation results
⊕ Real-time responses

Cons

⊖ Rate limits on free tier
⊖ Paid plans for high volume
⊖ No self-hosted option