Legal Information

Refund Policy (B2B Fair Guarantee)

We understand that business needs change. We offer a Prorated Refund Policy for all our paid plans:

Calculation: If you cancel your subscription, we will refund the remaining value of your plan. The deduction will be calculated based on the greater of:
- The percentage of the billing cycle that has already elapsed.
- The percentage of the query quota that has already been utilized.
How to Request: Please contact admin@chksms.com with your account email to initiate a cancellation and refund.
Processing: Refunds are processed within 5-7 business days back to your original payment method.

By using ChkSMS, you agree to the following terms:

No Resale: You may not scrape, copy, or resell the data provided by this service to build a competing virtual number detection service.
Usage Limit: You must adhere to the query limits of your subscribed plan.
Fair Use: We reserve the right to terminate accounts that abuse the API or attempt to bypass security measures.
Disclaimer: The data is provided "as is". We do not guarantee 100% accuracy of virtual number detection.

We respect your privacy. Here is how we handle your data:

Data Collection: We collect your email address and profile name via Google OAuth for account management and authentication purposes only.
Usage: Your email is used to identify your account, track API usage quotas, and send service updates.
Sharing: We do not sell or share your personal data with third parties.
Cookies: We use session cookies to maintain your login state.

Last Updated: December 2025