> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 4.57.3 **`(fix):`** Handle optional access tokens in OAuth token provider by raising `RuntimeError` when the token is `None`. Fix wire test setup to use `client_id`/`client_secret` for OAuth client credentials and expect 2 requests when testing the token endpoint. ## 4.57.2 **`(fix):`** Fix path-based pagination to pass the next page path as `path=` instead of `url=` in the generated HTTP client request call.