Follow the steps below to connect / configure Flash Express:


Step 1: Go to “Integration” module from the primary navigation bar.




Step 2: Select “Shipping Carrier Management” from the left panel.



Step 3: Select the 'SelluSeller Integrated 3PL' tab and click on 'Add 3PL Partner'.




Step 4: Search for FlashExpress, select & click on 'Start integration'. 




Step 5: Now fill the mandatory fields and click on 'Connect'.




Please note: 

  • Short name is the personalize name that you can assign to the connecting carrier. This will help you to identify if you have more than one account with same carrier.
  • Merchant ID and Key you can get from Flash Express team.
  • Input '1' in 'Is Insured' field to apply for insurance for all orders processed through this carrier. Input '0' if you do not wish to apply for insurance.

Hope this answers your question.

If you need further assistance, fire up the live chat or write to us at and we would be happy to help.