

Abstract - Email Verification API is a tool designed to identify whether an email address is valid and assess its potential risk. It uses SMTP checks, MX record validation, and machine learning to filter out invalid or risky addresses before they enter a database.
The service is built for developers and enterprises who need to integrate validation into signup forms or CRM workflows. It can identify specific email types, such as role-based addresses, free providers, and disposable emails, and provides a quality score for each entry.
For businesses focusing on deliverability, the API may help detect recently registered domains or typos to help reduce the number of emails that bounce. The platform is SOC 2 and GDPR compliant.
Buyers should confirm if they have the technical resources to implement a REST API, although the service supports bulk CSV uploads for those who prefer not to use code.
Checks the email domain's MX records and performs SMTP verification to confirm the address may receive mail.
Identifies addresses from disposable email services to help prevent fake account creation.
Uses regex and ML to find syntax errors and common typos in email addresses.
Flags addresses such as sales@ or info@ to help users identify contact types.
Provides a numerical quality score and risk status for each email address.
Identifies recently registered domains that may indicate fraudulent or spammy activity.
Validating existing databases to remove invalid addresses and potentially improve delivery rates.
Integrating the API into registration forms to block disposable emails in real time.
Filtering out malformed or non-existent emails before sending marketing campaigns.
Plans start with a free tier (100 requests). Paid tiers include Starter at $17/month, Standard at $37/month, and Professional at $39/month, with custom pricing for Enterprise.
Yes, there is a free tier that allows for 100 requests to help users test the API quality.
While it is primarily an API, Abstract supports bulk CSV uploads for users who cannot implement a programmatic integration.
The tiers scale based on request limits and data depth, with the Professional plan providing additional insights into email risk and breaches.
Source category: Data & Analytics
Source subcategory: Email API
Abstract - Email Verification API is a developer-focused tool that validates email addresses using SMTP checks and machine learning. It is designed for businesses wanting to reduce bounce rates and block disposable emails. Buyers should note that while CSV uploads are available, the tool is primarily a REST API requiring technical setup.