4. GET Request: User Level Authentication

WorldCat Metadata API - read a bib record

Request URL:

https://worldcat.org/bib/data/{oclcNumber}

HTTP Authorization Header

Contains:

• Access Token
• User-level credentials

Authorization: Bearer tk_OYjTRZi6ApHE7FWXo7XtYkWeDLvprIMDTu0O,

`principalID="{built-in-principal-id}",`

`principalIDNS="urn:oclc:wms:da"`