API Usage The following FAQs relate to your access and usage of the Linescape API. ArticlesHow would I use your API? How are API calls charged? Do you have detailed documentation explaining how to call API end-points? Why do I sometimes get a 403 Error? How do I use Postman to test the API? What is the latest end date that can send in each call? What is the maximum number of origin and destination ports that I can send in each API call? Doc navigation← Schedule DataBulk Data Feeds → How can we help? Name Email Subject Message