Email Risk Radar vs Abstract API
Abstract's Email Validation API documents a broad feature set — deliverability, SMTP verification, MX records, disposable and catch-all detection, quality scoring, risk assessment, domain reputation, typo detection, role-email flagging, and email breach checking. That last one — checking whether an address has appeared in known data breaches — is a genuine capability Email Risk Radar doesn't have. On explainability and context-aware scoring specifically, Abstract API doesn't publicly document either.
What Abstract API does
Abstract is a multi-product API platform (geolocation, phone validation, company enrichment, and more), with email validation as one product line. Their Email Validation API's own page lists email deliverability, SMTP verification, MX records, disposable detection, catch-all detection, quality scoring, risk assessment, breach checking, domain reputation analysis, typo detection, role-email flagging, and bulk operations — a genuinely wide feature set for a single endpoint.
Pricing (last checked 2026-08-18)
| Plan | Price (annual billing) | Requests |
|---|---|---|
| Free | $0/month | 100 requests, 3 req/sec |
| Starter | $17/month | 5,000 requests/month (60,000/year), 3 req/sec |
| Standard | $37/month | 5,000 requests/month (60,000/year), adds sender/domain enrichment |
| Professional (Most Popular) | $39/month | 5,000 requests/month (60,000/year), full feature set incl. risk assessment and breach checks |
| Enterprise | Custom | Flexible request volume/rate, SOC 2 & GDPR, dedicated support |
Feature comparison
| Feature | Email Risk Radar | Abstract API |
|---|---|---|
| Syntax / MX / SMTP checking | Yes | Yes — publicly documented |
| Disposable email detection | Yes | Yes — publicly documented |
| Catch-all detection | Yes | Yes — publicly documented |
| Typo detection | Yes | Yes — publicly documented |
| Role-based address flagging | Yes | Yes — publicly documented |
| Domain reputation analysis | Yes | Yes — publicly documented |
| Quality / risk scoring | Yes — 0–100 with confidence and named signals | Yes — quality scoring and risk assessment, methodology not publicly documented |
| Email breach checking (has this address appeared in a known data breach?) | No — not part of the current pipeline | Yes — publicly documented, on higher tiers |
| Explainable, per-signal breakdown (severity, point impact, description) | Yes | Not publicly documented |
| Context-aware scoring (signup / B2B lead / marketplace / payment) | Yes | Not publicly documented |
| Local-part shape analysis (entropy, keyboard patterns, generated-address detection) | Yes | Not publicly documented |
| Bundled multi-product API platform (geolocation, phone, company data) | No — single-purpose product | Yes — publicly documented |
Where the products actually differ
Email breach checking is the standout gap — Abstract API documents flagging addresses that have appeared in known data breaches, which speaks to account-security risk in a way this product simply doesn't cover. In the other direction, Abstract API's risk assessment and quality scoring aren't broken into named, explainable signals the way Email Risk Radar's are, and there's no public documentation of weighting shifting based on what the check is for.
Who each is a better fit for
- Abstract API: teams already using (or wanting) Abstract's broader multi-product API platform, or who specifically need breach-exposure checking alongside verification
- Email Risk Radar: developers who want a single-purpose, fully explainable, context-aware risk decision without adopting a wider API platform
FAQ
No — this is a comparison based on Abstract's own publicly published pricing and feature pages, not a hands-on test of their service.
It flags whether an email address has appeared in publicly known data-breach dumps — a signal about account-security exposure, distinct from whether the address itself is currently valid or risky to trust for a new signup.
No — that's outside the current scope of this product, which focuses on address validity, deliverability, and behavioral risk signals rather than breach-exposure history.
Requests, per their published plans — each plan includes a monthly request allowance and a requests-per-second rate limit, rather than a purchased-credit model.