> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## 0.45.0-rc48 **`(feat):`** OAuth Client Credential Auth Scheme now supports the ability to optionally set token header and prefix fields for use with docs playground. **`api.yml`** ```yml api.yml auth-schemes: OAuth: scheme: oauth type: client-credentials token-header: Fern-Authorization token-prefix: Fern-Bearer ... ``` ## 0.45.0-rc47 **`(fix):`** Support SDK generation provided comma-delineated content-type values in OpenAPI specs.