Provider Directory

Compare cold email infrastructure tools. Prices change — always confirm on the provider's site. Some links are affiliate links.

Showing 5 of 5 providers

GlockApps

verification service

GlockApps is a comprehensive email deliverability testing and monitoring platform that provides detailed inbox placement reports and authentication checks. It helps senders diagnose delivery issues and maintain a high sender reputation through real-time blacklists and DMARC analysis.

0
Key Features
Inbox placement testing across 90+ providers
Spam filter analysis
Blacklist monitoring

Hunter.io

verification service

Hunter.io is a leading email outreach platform that enables users to find, verify, and connect with professional email addresses associated with specific domain names. It offers an all-in-one suite that combines lead prospecting with cold email campaign management tools.

Starting At
$49
Key Features
Email finder by domain
Email verifier
Bulk email finding

Kickbox

verification service

Kickbox is an email verification and deliverability suite designed to help businesses improve sender reputation by identifying and removing invalid, risky, or disposable email addresses from their lists. It offers a robust API for real-time verification and deep integration tools to monitor inbox placement and blacklist status.

Starting At
$5
Key Features
Sendex quality score (0-100)
Bulk and real-time verification
Disposable email detection

NeverBounce

verification service

NeverBounce is a robust email verification and cleaning service that helps businesses maintain high deliverability by removing invalid and risky email addresses from their lists. It offers both real-time API integration for sign-up forms and bulk list cleaning services.

Starting At
$8
Key Features
Real-time verification API
Bulk list cleaning
250+ integrations

ZeroBounce

Featured
verification service

ZeroBounce is a comprehensive email validation and deliverability platform designed to improve sender reputation by verifying email addresses in real-time. It provides advanced bounce detection, spam trap monitoring, and inbox placement testing tools to optimize marketing campaigns.

Starting At
$16
Key Features
98%+ verification accuracy
Spam trap detection
Abuse email detection