How to locate your Meter Number
1. Go to the FedEx Developer Center for FedEx Web Services.
2. Click Move to Production. FedEx offers both Test and Production modes for your shipments. Select Get Production Key.
3. Click on "Get Production Key."
4. On the Application Profile step, enter the options as you see in the screenshot below. Make sure to choose Corporate Developer as your role. Click Continue.
5. Accept the License Agreement and click Continue.
6. On the Contact Info step, enter your FedEx account number and confirm your contact info. Click Continue.
7. On the Developer Info step, decide if you want to update your contact info. Click Continue.
8. After submitting this data, you will receive your FedEx Meter Number.
9. Go back to your Sellbrite account, then go to the Shipping Carriers page. Select FedEx and enter both your account number and your meter number.