Shiphero has transitioned from a rest api to graphql. As a part of graphql, it is self documenting as you explore the API. It makes it easier and more flexible to make custom queries.
Altair can be installed from the Altair Website
In order to access the graphql api, you must handle authentication. Your initial log in will be handled with your username and password. Subsequent reauthorizations are handle by the renewal token. The script is located in the config.js file. Copy and paste this into the into the pre-request script section and replace the username and password
Make sure that you select to enable the script
Setup the auth headers to use the token set in the script. Under the headers sections add a new header with the Header Key Authorization and the Header value as Bearer {{access_token}}. Case sensitive
In the url bar at the top, set it to the shiphero graphql endpoint https://public-api.shiphero.com/graphql and make sure it is set as GET
Now hit the Docs button and explore the all the data