When you first log in to Code Pipes, via the POST Login operation, that operation returns a JWT encrypted token. That token looks something like this:
"token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.lfUebtonQTUyo-5bp7SZkn2ArrEFkzi5UY-MuJcpVJ8",
You need to save this token and use it for header authentication in subsequent CodePipes operations.