Tool comparison · Head to headUpdated 9/4/2026
Bulk Email Checker vs Closely
A factual comparison of features, pricing, and capabilities.
01The contenders
Bulk Email Checker
Bulk Email Checker is an email verification service that cleans lists uploaded as CSV or text files and validates addresses in real time through a REST API. Credits are pay as you go with no monthly fees and never expire; an unlimited flat-rate API is sold separately.
Starting atCustom0
02Line by line
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
03Capabilities
Feature comparison.
| Feature | Bulk Email Checker | Closely |
|---|---|---|
| Email checker for single addresses | ||
| Bulk email verification from CSV or text uploads | ||
| Real-time email verification API | ||
| Unlimited email verification API with flat-rate threads | ||
| Duplicate email remover | ||
| Syntax validator | ||
| Blacklist integration | ||
| Auto-reload of credits | ||
| Multichannel campaigns across LinkedIn and email | ||
| Conditional sequence builder | ||
| Smart Inbox unifying LinkedIn and email replies | ||
| LinkedIn account warmup | ||
| Dedicated residential IP for each LinkedIn account | ||
| OAuth Gmail and Outlook connection plus custom SMTP | ||
| Email finder with a multi-step fallback process | ||
| Phone number finder | ||
| AI lead scoring and personalization agents | ||
| Export from Sales Navigator, LinkedIn posts and events |
Available
Partial/Limited
Not Available
04Ecosystem
Native integrations.
Bulk Email Checker
Closely
SalesforcePipedriveHubSpotGoHighLevelGmailMicrosoft OutlookSMTPWebhooks
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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.