Buy USPS postage with Apple Pay, Google Pay, or Bitcoin super-fast!
Buy USPS postage with Apple Pay, Google Pay, or Bitcoin super-fast!

Ship from your home office

Buy and print discounted USPS postage.
No post office visit. No monthly fees.

New USPS Rates as of Oct 5, 2025

Starting on October 5th 2025, USPS rolled out new holiday-season pricing for most service levels.

We're committed to keeping your shipping costs down & you can continue to enjoy great savings on all flat-rate packages, despite the price changes. Stay savvy and keep shipping smart with Stampnik!

Buy a new shipping label

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Priority Express Ground Advantage Media Mail
Flat-rate My Own Packaging
Box
Small
✓
Box
Medium
✓
Box
Large
✓
Envelope
Letter
✓
Envelope
Legal
✓
Envelope
Padded
✓
Envelope
Small
✓
Envelope
Window
✓
Envelope
Gift-card
✓
Express Envelope
Letter
✓
Express Envelope
Legal
✓
Express Envelope
Padded
✓
Flat-rate packages require Priority or Express service.
Flat-rate Weight Limit
box - 70 pounds | envelope - 4 pounds
lbs oz
in × in × in
Must use own packaging. Using a USPS flat-rate box or envelope will result in a surcharge.
- view details in cart
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and no waiting at the Post Office
* not able to offer savings for this label

Fast Delivery

USPS Priority Mail with tracking
Expected in 3 days or less

Secure Payment

Pay securely with Apple Pay, Google Pay, Credit Card, and Bitcoin. No monthly fees!

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Print & Track From One Place

We'll help you keep track of your shipments, send a new package, and support multiple printing formats.
View a sample label page