The documentation for the Nektar API can be found at https://api.nektar.io
Getting Authenticated
Within the API documentation there will be various sections indicating different types of operations that can be performed. The first required call, that you will need to get started, will be in the Authentication section
Usage/Setup in postman
Set Postman's request type to use POST method
Click the 'Copy Endpoint' button and paste the result into postman's URL field
Under the Body tab, select the radio button 'x-www-form-urlencoded' (representing content type)
The keys required for the body are: 'username', 'password', and 'grant_type' (where grant_type value is always 'password')
Altogether it should look like the following:
At this point you can click the 'Send' button to retrieve your authentication information. Which should appear in the following way
The 'access_token' value will be used in all future calls to the Nektar API. This can be set in postman by creating a new request and adding the token settings within the 'Authorization' tab
Set Dropdown list to use 'Bearer Token'
Paste the access_token value into token box