Help center
Pick a topic or email help@mismatch.dev.
Getting started
Sign up → connect eBay → first listing
Connecting eBay
Step-by-step OAuth + business policies setup
Install the extension
How to load Mismatch Bridge in Chrome / Edge
Shipping labels
Configure ship-from address, get rates, print labels
Billing & plans
Free vs Pro, upgrading, canceling
Troubleshooting
Common errors and fixes