> For the complete documentation index, see [llms.txt](https://docs.defguard.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.defguard.net/for-developers/rest-api/core/oauth2/list-oauth2-openid-client-applications.md).

# List OAuth2/OpenID client applications

```json
{"openapi":"3.1.0","info":{"title":"defguard Core API","version":"2.0.3"},"tags":[{"name":"OAuth2","description":"defguard acting as an OAuth2 / OpenID Connect provider for other applications."}],"security":[{"cookie":[]},{"api_token":[]}],"components":{"securitySchemes":{"cookie":{"type":"apiKey","in":"cookie","name":"defguard_session"},"api_token":{"type":"http","scheme":"bearer"}},"schemas":{"ApiErrorResponse":{"type":"object","description":"Body returned with error responses.","required":["msg"],"properties":{"code":{"type":["string","null"],"description":"Machine-readable error code, returned for selected errors."},"msg":{"type":"string","description":"Human-readable error message."}}}}},"paths":{"/api/v1/oauth/":{"get":{"tags":["OAuth2"],"summary":"List OAuth2/OpenID client applications","operationId":"list_openid_clients","parameters":[{"name":"page","in":"query","description":"Page number. Defaults to 1.","required":false,"schema":{"type":"integer","format":"int32","minimum":0}},{"name":"per_page","in":"query","description":"Number of items per page, from 1 to 100. Defaults to 50.","required":false,"schema":{"type":"integer","format":"int32","minimum":0}}],"responses":{"200":{"description":"Paginated list of OAuth2 clients.","content":{"application/json":{"schema":{"type":"object"}}}},"401":{"description":"Session is missing or invalid.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"403":{"description":"Requires admin privileges.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"500":{"description":"Unable to list OAuth2 clients.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}}}}}}}
```