> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cynopsis.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Error Codes

| Status Code | Category              | Sample HTTP Response                                                                          | Description                                                                                                          |
| ----------- | --------------------- | --------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------- |
| 400         | Bad Request           | `{ "list_name": "Subject must be registered either under [HIGH RISK] or [RESTRICTED] list" }` | Validation Error. User passed wrong input request parameters.  <br /> Transaction not uploaded due to invalid input. |
| 401         | Unauthorized          | `{ "detail": "Custom bearer token is not valid" }`                                            | Authorization Token is invalid.  <br /> Token expired and a new one is required.                                     |
| 403         | Forbidden             | `{ "detail": "Authentication credentials were not provided." }`                               | Authorization token missing or invalid.                                                                              |
| 404         | Not Found             | `{ "detail": "Not found." }`                                                                  | Identifier has no matching resource.  <br /> Case/transaction/subject not found.                                     |
| 405         | Method Not Allowed    | `{ "detail": "Method \"DELETE\" not allowed." }`                                              | HTTP method not supported.                                                                                           |
| 500         | Internal Server Error | `{ "detail": "Unexpected Error." }`                                                           | Uncaught server-side exception.                                                                                      |