--- title: Precursor --- [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** # Precursor ##### [Get Zone Precursor Config](https://developers.cloudflare.com/api/python/resources/precursor/methods/get) precursor.get(PrecursorGetParams\*\*kwargs) -> [PrecursorConfig]() GET/zones/{zone\_id}/precursor ##### [Update Zone Precursor Config](https://developers.cloudflare.com/api/python/resources/precursor/methods/update) precursor.update(PrecursorUpdateParams\*\*kwargs) -> [PrecursorConfig]() PUT/zones/{zone\_id}/precursor ##### ModelsExpand Collapse
class EnforcementRule: … expression: str The filter expression that determines which requests the rule matches. maxLength4000 Link to this property
mode: Literal\["min-friction", "max-security"] The override mode Precursor applies to requests matching an enforcement rule. Unlike default_mode, this cannot be off. One of the following: "min-friction" Link to this property "max-security" Link to this property
Link to this property id: Optional\[str] The read-only identifier that Cloudflare assigns to the rule. Link to this property description: Optional\[str] An informative description of the rule. Link to this property enabled: Optional\[bool] Whether the rule is active. Link to this property
[Link to this property](<#(resource)%20precursor%20%3E%20(model)%20enforcement_rule%20%3E%20(schema)>)
class PrecursorConfig: …
Deprecateddefault\_mode: Optional\[Literal\["off", "min-friction", "max-security"]] The zone-level Precursor enforcement mode applied to requests that do not match a more specific enforcement rule. One of the following: "off" Link to this property "min-friction" Link to this property "max-security" Link to this property
Link to this property
Deprecatedenforcement\_rules: Optional\[List\[EnforcementRule]] The ordered list of enforcement rules for the zone. expression: str The filter expression that determines which requests the rule matches. maxLength4000 Link to this property
mode: Literal\["min-friction", "max-security"] The override mode Precursor applies to requests matching an enforcement rule. Unlike default_mode, this cannot be off. One of the following: "min-friction" Link to this property "max-security" Link to this property
Link to this property id: Optional\[str] The read-only identifier that Cloudflare assigns to the rule. Link to this property description: Optional\[str] An informative description of the rule. Link to this property enabled: Optional\[bool] Whether the rule is active. Link to this property
Link to this property
[Link to this property](<#(resource)%20precursor%20%3E%20(model)%20precursor_config%20%3E%20(schema)>)