Contact Us

Get in Touch

We welcome your questions, bug reports, suggestions, and feedback. CreditPayCalc is a small independent project, and user feedback directly shapes our priorities.

Email Us

General questions: 18999737@qq.com

We typically respond within 2 business days.

What to Include

To help us answer faster, please include:

Bug Reports

Found a calculation error? Please email us with the details. We audit our math against the CFPB's guidelines and fix verified bugs within 48 hours.

Official U.S. Consumer Finance Resources

Our calculators use methodologies aligned with official federal guidelines. For authoritative information, consult: