Step 1:
Login to your Magento backend, and from the left side bar,
go to System > Integrations
 
 
Step 2:
Click “Add new integrations”
 
Step 3:
Fill out the following fields as follows:
General > Name: OneCart
Current User Identity Verification > Password: your login password
 
 
 
Step 4:
Under “API”, under “Resource Access”, select “All”, then save:
 
 
Step 5:
You should see your screen as per image below:
 
We need 2 pieces of information from you.
 
1. Magento shop URL
2. Access Token (as circled above in Step 5)
 
Send an email to hello@lachmann-tech.com with the required information and you're done! :)