Terms of Service

Last updated: January 26, 2026

Welcome to BounceShift. By using our email validation service, you agree to these terms. Please read them carefully.

1. Service Description

BounceShift provides email validation services including:

  • Real-time single email validation via API
  • Batch email list validation via CSV upload
  • ESP webhook integrations for bounce and complaint tracking
  • Dashboard access for managing validations and team members

2. Account Terms

2.1 Account Creation

  • You must provide accurate and complete information when creating an account
  • You are responsible for maintaining the security of your account credentials
  • You must be at least 18 years old to use this service
  • One person or legal entity may not maintain more than one free account

2.2 Team Accounts

  • The account owner is responsible for all activity under their team account
  • You may invite team members who will be bound by these terms
  • You are responsible for ensuring team members comply with these terms

3. Acceptable Use

3.1 You May

  • Use the service to validate email addresses you have legitimate access to
  • Integrate our API into your applications
  • Connect your ESP webhooks to track reputation data

3.2 You May Not

  • Use the service for any illegal purpose
  • Validate email addresses obtained through illegal means
  • Attempt to reverse-engineer, decompile, or hack our systems
  • Resell or redistribute our service without authorization
  • Use the service to facilitate spam or unsolicited bulk email
  • Exceed rate limits or attempt to circumvent usage restrictions
  • Share API keys or account credentials with unauthorized parties

4. Credits and Payments

4.1 Credit System

  • Our service operates on a credit-based system
  • 1 credit = 1 email validation
  • Credits are non-refundable once purchased
  • Credits never expire
  • Cached validations (within 24 hours) do not consume additional credits

4.2 Pricing

  • Current pricing is available on our website
  • We reserve the right to change pricing with 30 days notice
  • Price changes do not affect credits already purchased

4.3 Free Credits

  • New accounts receive 100 free credits
  • Free credits are subject to fair use policies
  • We reserve the right to limit free credit abuse

5. API Usage

5.1 Rate Limits

  • API requests are subject to rate limits
  • Current limits are documented in our API documentation
  • Exceeding limits may result in temporary throttling

5.2 API Keys

  • API keys are confidential and should be kept secure
  • You are responsible for all activity using your API keys
  • Compromised keys should be regenerated immediately

6. Data and Privacy

6.1 Email Data

  • We process email addresses solely to provide validation results
  • We do not sell email addresses to third parties
  • Validation results are cached for 24 hours to improve performance
  • See our Privacy Policy for complete data handling details

6.2 Data Retention

  • Validation history is retained for your reference
  • You may request deletion of your data at any time
  • Account deletion removes all associated data within 30 days

7. Service Availability

7.1 Uptime

  • We target 99.9% uptime for our API
  • Scheduled maintenance will be announced in advance when possible
  • We are not liable for downtime caused by factors outside our control

7.2 Support

  • Support is available via email
  • Response times vary based on issue severity and plan

8. Intellectual Property

  • BounceShift and its logo are trademarks of BounceShift
  • You retain ownership of data you submit to the service
  • We retain ownership of validation algorithms, systems, and processes

9. Limitation of Liability

9.1 Service Provided "As Is"

  • The service is provided without warranties of any kind
  • We do not guarantee 100% accuracy of validation results
  • Email deliverability depends on many factors beyond our control

9.2 Liability Cap

  • Our liability is limited to the amount you paid in the 12 months prior
  • We are not liable for indirect, incidental, or consequential damages
  • We are not responsible for actions you take based on validation results

10. Indemnification

You agree to indemnify and hold BounceShift harmless from any claims, damages, or expenses arising from:

  • Your use of the service
  • Your violation of these terms
  • Your violation of any third-party rights

11. Termination

11.1 By You

  • You may cancel your account at any time
  • Unused credits are not refunded upon cancellation

11.2 By Us

  • We may suspend or terminate accounts that violate these terms
  • We may terminate the service with 30 days notice
  • Upon termination, your right to use the service ends immediately

12. Changes to Terms

  • We may update these terms from time to time
  • Material changes will be communicated via email or dashboard notice
  • Continued use after changes constitutes acceptance

13. Governing Law

These terms are governed by applicable law. Any disputes shall be resolved through appropriate legal channels.

14. Contact

For questions about these terms, contact us at:


By using BounceShift, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.