Abstract Email Validation API vs Proofy
A factual comparison of features, pricing, and capabilities.
Abstract Email Validation API
Abstract's Email Validation API assesses email deliverability, sender, domain, quality, risk and breach signals for real-time validation and bulk CSV upload. Each Abstract API is priced on its own by monthly request volume, with a free tier.
Proofy
Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Abstract Email Validation API | Proofy |
|---|---|---|
| Email deliverability check | ||
| Email sender and domain enrichment | ||
| Email quality and risk scoring | ||
| Email breach signals | ||
| Bulk CSV upload | ||
| Domain whitelisting | ||
| Rate limits per plan | ||
| Bulk email verification | ||
| Single verification in real time | ||
| Email verifier API | ||
| Duplicate email remover | ||
| ISP detection | ||
| Disposable and temporary detection | ||
| Accept-all detection | ||
| Syntax validation | ||
| SMTP verification | ||
| Mailbox full detection |
Native integrations.
Abstract Email Validation API
Proofy
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.