--- title: Fraud --- [Skip to content](#_top) [API Reference](https://developers.cloudflare.com/api/python) Copy Markdown Open in **Claude**Open in **ChatGPT**Open in **Cursor** --- **Copy Markdown****View as Markdown** # Fraud ##### [Get Fraud Detection Settings](https://developers.cloudflare.com/api/python/resources/fraud/methods/get) fraud.get(FraudGetParams\*\*kwargs) -> [FraudSettings]() GET/zones/{zone\_id}/fraud\_detection/settings ##### [Update Fraud Detection Settings](https://developers.cloudflare.com/api/python/resources/fraud/methods/update) fraud.update(FraudUpdateParams\*\*kwargs) -> [FraudSettings]() PUT/zones/{zone\_id}/fraud\_detection/settings ##### ModelsExpand Collapse
class FraudSettings: …
authentication\_settings: Optional\[AuthenticationSettings] Configuration for classifying login authentication outcomes based on the origin response. Requires user_profiles to be enabled. - Success and failure criteria are independently updatable — sending only success_criteria leaves failure codes untouched, and vice versa. - Omit authentication_settings entirely to leave both unchanged. - Status codes must not overlap between success and failure criteria.
failure\_criteria: Optional\[AuthenticationSettingsFailureCriteria] Criterion for identifying failed login responses. kind: Literal\["status\_code"] The type of criterion. Currently only status_code is supported. Link to this property status\_codes: Optional\[List\[int]] HTTP status codes to match against the origin response. - Maximum of 10 codes per criterion. - Each code must be a valid HTTP status code (100-599). - Codes are deduplicated and sorted on save. - Omit to leave unchanged on update. - Provide an empty array [] to clear codes on update. Link to this property
Link to this property
success\_criteria: Optional\[AuthenticationSettingsSuccessCriteria] Criterion for identifying successful login responses. kind: Literal\["status\_code"] The type of criterion. Currently only status_code is supported. Link to this property status\_codes: Optional\[List\[int]] HTTP status codes to match against the origin response. - Maximum of 10 codes per criterion. - Each code must be a valid HTTP status code (100-599). - Codes are deduplicated and sorted on save. - Omit to leave unchanged on update. - Provide an empty array [] to clear codes on update. Link to this property
Link to this property
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user\_profiles: Optional\[Literal\["enabled", "disabled"]] Whether Fraud User Profiles is enabled for the zone. One of the following: "enabled" Link to this property "disabled" Link to this property
Link to this property username\_expressions: Optional\[List\[str]] List of expressions to detect usernames in write HTTP requests. - Maximum of 10 expressions. - Omit or set to null to leave unchanged on update. - Provide an empty array [] to clear all expressions on update. - Invalid expressions will result in a 10400 Bad Request with details in the messages array. Link to this property
[Link to this property](<#(resource)%20fraud%20%3E%20(model)%20fraud_settings%20%3E%20(schema)>)