Feature Comparison
FeatureSendSureEmailable
27-Stage Verification
Real-Time API (<3s)
Bulk CSV Upload
Form Validation Widget
AI Catch-All Resolution
CRM/ESP Sync (Mailchimp, HubSpot)
Deliverability Testing
Blacklist Monitoring
Data Export & Deletion
Free Credits on Signup
OpenAPI Documentation
ML Risk Scoring
Why Teams Switch To SendSure
Catch-all resolution
Our 54K+ name AI resolver resolves catch-alls Emailable just marks "accept-all."
Broader feature set
Deliverability testing, blacklist monitoring, and data export/deletion tools Emailable doesn't offer.
Deeper verification pipeline
27 stages incl. engagement history and spam-trap detection vs Emailable's SMTP focus.
Better integrations
Native bidirectional sync with Mailchimp, HubSpot, and SendGrid — no Zapier setup needed.
Frequently Asked Questions
Is Emailable the same as TheChecker?
Yes — Emailable rebranded from TheChecker in 2021; SendSure was built from scratch with deeper verification.
How does accuracy compare?
Our 27-stage engine resolves catch-alls (30–40% of business emails) that Emailable's SMTP approach leaves unresolved.
Can I switch from Emailable to SendSure?
Yes — export your list as CSV to re-verify, or swap our REST API for theirs.