WorldCat Knowledge base API Outage
The WorldCat Knowledge base is currently experiencing issues where all requests to the API are failing. OCLC is investigating the problem and will post update here and on the OCLC Developer Network. We apologize for any inconvenience this outage is causing.
The outage of the WorldCat Knowledge base has been resolved as of 7/26/2016 at 8am Eastern.
Senior Product Analyst