The first step is to create an account or login to your existing myfastway.co.nz account.
Navigate to Administration > API Keys > Create Key.
The Client ID and Secret will be shown on the screen and the customer should give them to their developers along with the link to our technical documentation
Authenticate (retrieve an access token using the OAuth2 method)
Get a Quote (it’s not mandatory but is useful)
Create a consignment
in this call you can use the JSON presented in this section:
Download PDF Labels