Featured OCLC APIs Troubleshooting articles
Find the most viewed, recently created, and recently updated FAQ and Troubleshooting articles for OCLC APIs.
Most viewed articles
How do I set up MarcEdit OCLC Integration?
How do I request a WSKey?
How do I find a list of my institution's WSKeys?
How can I renew my WSKeys?
How can we integrate the new EBSCO Discovery Service (EDS) with WorldCat?
Is there a limit to the number of API queries that can be made in a day?
Why is the WorldCat Search API not pulling back results for certain OCLC Symbols?
How long does it take for my WSKey to expire?
Query returns a "no Route matched with those values" error
Featured OCLC APIs Troubleshooting articles
I'm getting the error message "There was a problem processing your request" when I try to request a WSKey
Can students, non-library staff and professors use WSKeys?
Why am I getting a 403 Forbidden URL error when making a call on an API?
Is there a different way I should be obtaining a token to make requests to the Search API?
Can OCLC add additional flows to API keys?
Recently created articles
How can I get CONSER authorization for my WSKey to apply to the Metadata API?
( created Mon May 11, 2026 )
When trying to request a WSKey, you receive an error: "Your account name/email information is blank and as a result you are not allowed to perform this action."
( created Thu Apr 30, 2026 )
Can I get another API added to my existing WSKey?
( created Fri Apr 10, 2026 )
Using the WorldCat Metadata API to delete LBD in bulk
( created Tue Dec 23, 2025 )
Why am I getting a 401 UNAUTHORIZED response when I use my Metadata API
( created Fri Aug 08, 2025 )
Why do I get a 500 error when using the Identity Management API?
( created Wed Jul 23, 2025 )
I receive a 'This search returned a failed status code from the server.' using the OCLC API Integration in MarcEdit
( created Wed Jul 02, 2025 )
How can I use OCLC APIs in Postman?
( created Wed May 07, 2025 )
How can I access the user interface for the WorldShare Identity Management Sandbox API?
( created Wed Mar 26, 2025 )
Can I get a full list of all our active ILL requests using the Resource Sharing API?
( created Mon Dec 23, 2024 )
Why am I receiving an "403:unauthorized flow attempt" error?
( created Thu Oct 24, 2024 )
Why am I getting a 403 Forbidden URL error when making a call on an API?
( created Tue Aug 20, 2024 )
Is there an API that can search and retrieve article records?
( created Fri Aug 16, 2024 )
Query returns a "no Route matched with those values" error
( created Mon Aug 05, 2024 )
Is there a maximum number of terms that can be sent in an API query?
( created Thu Jul 11, 2024 )
Recently updated articles
How long does it take for my WSKey to expire?
( updated Thu May 28, 2026 )
How do I set up MarcEdit OCLC Integration?
( updated Thu May 28, 2026 )
How can I get CONSER authorization for my WSKey to apply to the Metadata API?
( updated Mon May 11, 2026 )
When trying to request a WSKey, you receive an error: "Your account name/email information is blank and as a result you are not allowed to perform this action."
( updated Thu Apr 30, 2026 )
Is there a limit to the number of API queries that can be made in a day?
( updated Wed Apr 29, 2026 )
How do I request a WSKey?
( updated Tue Apr 28, 2026 )
Can I get another API added to my existing WSKey?
( updated Fri Apr 10, 2026 )
Why am I getting a 401 UNAUTHORIZED response when I use my Metadata API
( updated Tue Mar 24, 2026 )
Using the WorldCat Metadata API to delete LBD in bulk
( updated Tue Dec 23, 2025 )
Why am I getting a 403 Forbidden URL error when making a call on an API?
( updated Tue Oct 07, 2025 )
Why am I receiving an "403:unauthorized flow attempt" error?
( updated Thu Sep 04, 2025 )
I need to update a key to allow for the clientCredential flow.
( updated Fri Aug 15, 2025 )
Why do I get a 500 error when using the Identity Management API?
( updated Tue Aug 12, 2025 )
I receive a 'This search returned a failed status code from the server.' using the OCLC API Integration in MarcEdit
( updated Wed Jul 02, 2025 )
How can we integrate the new EBSCO Discovery Service (EDS) with WorldCat?
( updated Fri Jun 27, 2025 )