What is Debounce?
Debounce checks every address on your list against SMTP servers and known threat patterns. It removes disposable inboxes, spam traps, and syntax errors before you send. The result is a cleaner list and fewer bounces.
Debounce is a bulk email verification tool designed to keep contact databases accurate and safe for outreach. It connects to mail servers to confirm whether an inbox exists and can accept messages. The platform flags catch-all domains, detects spam traps, and filters out temporary or disposable addresses. Syntax validation catches formatting mistakes before they cause delivery failures. Teams can upload CSV or TXT files for batch processing or connect via API for real-time checks at signup forms. Credits never expire and every tier includes the full feature set with no recurring contracts.
Ideal Customer Profile
Marketing and sales teams at startups and mid-market companies who rely on cold email and need to protect their sender reputation.
Key Features
- SMTP-level inbox verification
- Disposable email address detection
- Catch-all domain identification
- Invalid syntax filtering
- Spam trap detection and removal
- Real-time API for form integrations
- Free deduplication on every upload
- Credits that never expire
- GDPR compliant data handling
- Pay-as-you-go pricing with no contracts
How to use Debounce
Upload a CSV or TXT file containing the addresses you plan to contact. The platform runs each entry through syntax checks, SMTP validation, and trap detection, then returns a cleaned list ready for export. Teams can also integrate the API to verify addresses at the point of collection on web forms.
Pricing
Pay-as-you-go starting at $10 for 5,000 verifications, with 100 free credits on signup.
Frequently Asked Questions
How do I verify a list with Debounce?
Upload your contacts as a CSV or TXT file and the platform checks each address. It returns a cleaned file with invalid, disposable, and trap addresses removed.
What does Debounce cost?
Pricing is pay-as-you-go, starting at $10 for 5,000 verifications. Credits never expire and volume discounts reach $0.0003 per check at the highest tier.
Why should I pick Debounce over alternatives?
The platform delivers above 97.5 percent accuracy and includes deduplication at no extra charge. Every tier unlocks all features with no contracts and full GDPR compliance.
What technology does Debounce use to validate addresses?
It combines SMTP checks, spam-trap databases, catch-all detection, and anti-greylisting methods. These layers work together to confirm whether an inbox is real and safe to mail.
Is there a free plan or trial?
New accounts receive 100 free verification credits. No credit card is required to start testing the service.
Does Debounce have an affiliate or partner program?
Yes, the company runs an affiliate program. Partners earn commissions by referring new users to the verification service.
