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You may paste the text string directly into the x-okapi-token header field, as above, or you can define a variable to hold the text.
The token Tokens on Snapshot changes daily. change when the site is rebuilt, which happens daily. It can also change if someone logs in as diku_admin and then logs out. So if you are working with API calls on Snapshot, you will need to update the Okapi token each day.
If you choose to use the variable, you will then only need to update it in one place rather than in each request you define. You will find your variables in 'Environments' on the left of the Postman screen:
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