CleanSignUps
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TL;DR
CleanSignUps is an email verification and fraud prevention platform that blocks fake signups and disposable emails to improve deliverability and keep marketing databases clean.
Key Facts
Free version: Free plan available with limited single email verifications for testing.
Pricing
Starting at From $7.99/mo
Starter
- Single email verification, disposable email detection, API access
Growth
- Bulk verification, CRM integrations, advanced spam detection
Business
- Unlimited verifications, priority support, custom integrations
Additional Pricing Information
Paid plans from $7.99/mo. Free trial available. Also available through Earlybird.so marketplace with lifetime deal pricing.
Details
What is CleanSignUps?
CleanSignUps is a relatively new email verification platform that focuses on blocking fake signups and disposable email addresses at the point of registration. The real-time API analyzes email syntax, domain reputation, disposable email databases, and SMTP responses to assign quality scores. It integrates with 13 third-party tools including Mailchimp, ActiveCampaign, HubSpot, and Zapier. The pricing starts at $7.99/mo, which is competitive with established alternatives. However, CleanSignUps is competing in a crowded market against ZeroBounce (99% accuracy, SOC 2 certified), Bouncer (4.9/5 Capterra), and NeverBounce (100K+ companies). With no TrustRadius listing, minimal G2 reviews, and limited brand recognition, CleanSignUps is an unproven player in a space where accuracy and reliability are critical. If you are a small business with basic email verification needs and want to save money, it is worth testing with the free plan. For anything mission-critical, the established alternatives offer more proven track records.
Key Features
- Real-Time Email Verification — validate emails instantly at signup
- Disposable Email Detection — block temporary and fake email domains
- Catch-All Server Detection — identify risky email configurations
- Spam Trap Detection — protect sender reputation from known traps
- Bulk Email Verification — clean entire mailing lists at once
- RESTful API — developer-friendly integration with webhooks
- 13 Integrations — Mailchimp, HubSpot, ActiveCampaign, Zapier, and more
- Domain Reputation Analysis — assess email domain trustworthiness
Who is it for?
- Small to mid-sized businesses wanting affordable email list cleaning
- SaaS companies needing to block fake signups at registration
- Marketing teams managing email campaigns who need better deliverability
- Developers looking for a simple email verification API to integrate
Who is it NOT for?
- Enterprise teams needing SOC 2 compliance and enterprise SLAs
- Anyone who needs proven accuracy with thousands of verified reviews
- High-volume senders who need the cheapest per-email verification
- Users who need advanced data verification or recipient validation
The Bottom Line
CleanSignUps is a functional email verification tool at an affordable price point. The free plan lets you test the basics risk-free. But in a market dominated by ZeroBounce, Bouncer, and NeverBounce, CleanSignUps lacks the proven track record and independent validation that mission-critical email operations demand. Try the free plan, but verify accuracy with your own test lists before committing.
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