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Tech riderRev. 28 Sept 2026

Abstract Email Validation API

Ch 057.0of 27 Phone Number Validation Software
  1. 1Runs onAPI, Web
  2. 2CostsFree plan · paid from $17/mo
  3. 3Real-time APIYes
  4. 4Batch verificationYes
  5. 5Disposable detectionYes
  6. 6Role account detectionYes
  7. 7Catch-all detectionYes
  8. 8SMTP mailbox checkYes
8 lines stated Written from the maker's own pages: abstractapi.com
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The Abstract Email Validation API homepage

Overview

Abstract Email Validation API is ranked #5 of 27 in phone number validation software on Specifiction. It runs on API, Web. There is a free plan. Paid plans start at $17/mo.

Abstract Email Validation API plans and pricing

All plans
Starter $17/mo Paid annually · $17 / month 60,000 requests / year · 3 requests / second · Domain whitelisting · Bulk CSV upload abstractapi.com · 28 Sept 2026
Standard $37/mo Paid annually · $37 / month 60,000 requests / year · 3 requests / second · Domain whitelisting · Bulk CSV upload abstractapi.com · 28 Sept 2026
Professional $39/mo Paid annually · $39 / month 60,000 requests / year · 3 requests / second · Domain whitelisting · Bulk CSV upload abstractapi.com · 28 Sept 2026
Free Not published $0 / month 100 requests · 3 requests / second abstractapi.com · 28 Sept 2026
Enterprise Not published Contact sales Flexible requests / month · Flexible requests / second · Domain whitelisting · Bulk CSV upload · Commercial license · SOC 2 & GDPR · Enhanced SLA & support · Dedicated account manager abstractapi.com · 28 Sept 2026

Compared on phone number validation software

Free plan
Yesabstractapi.com
Paid from
$17/moabstractapi.com
Real-time API
Yesabstractapi.com
Batch verification
Yesabstractapi.com
Disposable detection
Yesabstractapi.com
Role account detection
Yesabstractapi.com
Catch-all detection
Yesabstractapi.com
SMTP mailbox check
Yesabstractapi.com

Facts

Purpose
The API checks whether an email address is real and can receive mail when a user submits it.abstractapi.com · 28 Sept 2026
Validation checks
One call checks address format, domain MX records, live SMTP without sending a message, and disposable or catch-all addresses.abstractapi.com · 28 Sept 2026
Signup and lead use
Abstract says developers use the API to reduce bounce rates, clean signup forms, and verify B2B leads without being locked to an email provider.abstractapi.com · 28 Sept 2026
Response
The API returns structured JSON with deliverability, quality score, SMTP check, and MX validation.abstractapi.com · 28 Sept 2026
Speed
The product page says a full validation response for real-time signup flows is returned in under 300ms.abstractapi.com · 28 Sept 2026
Bulk validation
The API supports bulk email validation and CSV upload is included on paid plans listed on the page.abstractapi.com · 28 Sept 2026
Integrations
The maker lists integrations including HubSpot, AWS, Salesforce, Zapier, Snowflake, Shopify, Make, Mailchimp, and Azure.abstractapi.com · 28 Sept 2026
Privacy and compliance
The product page describes the service as GDPR and CCPA privacy friendly and states SOC 2 Type II and GDPR readiness.abstractapi.com · 28 Sept 2026
Uptime
The product page lists a 99.99% uptime SLA.abstractapi.com · 28 Sept 2026
Support
The product page says questions are usually answered by a real person within a few hours via email or [email protected].abstractapi.com · 28 Sept 2026
Rate limit
The Free plan includes 100 requests and allows 3 requests per second.abstractapi.com · 28 Sept 2026
Audience
Abstract says its products serve teams in over 100 countries, from startups and side projects to public companies and critical infrastructure.abstractapi.com · 28 Sept 2026

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Where it ranks on Specifiction

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