Contact Us

Have questions? We'd love to hear from you.

Support

For technical support, product questions, or validation service issues:

Product Questions

Ask us about collecting StampCats, marking your creations with OnceMark, or using TamperKit when you sell and ship collectibles.

Email
hello@nfcmint.com

What to Include

When contacting us, please include:

• A clear description of your question or issue

• Your order number (if applicable)

• Tag UID or validation URL (for support requests)

• Screenshots or error messages (if relevant)

Response Time

We typically respond to all inquiries within 1-2 business days. For urgent technical issues affecting validation services, we aim to respond within 24 hours.

Other Resources

Before reaching out, you may find these resources helpful:

Result Help
What every validation result means

Service Status
Check validation service uptime