Step-by-step guide

1. Contact Centra support to get the following details: API Token, API URL, and Merchant Timezone.
2. Log in to Extensiv. 
3. Open Integration Management.
4. Go to Carts > + New Setup.
   
5. Select Centra from the list.
   
6. Enter the token and URL in the API Information section.
   
7. Set up the Merchant Timezone in the Centra Carts Setup section. 
   
   Centra's system timezone is user defined. This field must match the user defined time zone in Centra. Entering a different time zone from what has been defined in Centra can lead to Orders and Shipment notifications being sent with incorrect date time formats.
   
8. Click Test to confirm connection.
9. Click OK to save.