cf.llm.prompt.pii_categories

cf.llm.prompt.pii_categories

cf.llm.prompt.pii_categories Array<String>

Array of string values with the personally identifiable information (PII) categories found in the LLM prompt included in the request.

The possible values are the following:

Category	Description
CREDIT_CARD	Credit card number
CRYPTO	Crypto wallet number (currently only Bitcoin address)
DATE_TIME	Absolute or relative dates or periods or times smaller than a day
EMAIL_ADDRESS	Email address
IBAN_CODE	International Bank Account Number (IBAN)
IP_ADDRESS	Internet Protocol (IP) address
NRP	A person's nationality, religious or political group
LOCATION	Name of politically or geographically defined location (cities, provinces, countries, international regions, bodies of water, mountains)
PERSON	Full person name
PHONE_NUMBER	Telephone number
MEDICAL_LICENSE	Common medical license numbers
URL	Uniform Resource Locator (URL), used to locate a resource on the Internet
US_BANK_NUMBER	US bank account number
US_DRIVER_LICENSE	US driver license
US_ITIN	US Individual Taxpayer Identification Number (ITIN)
US_PASSPORT	US passport number
US_SSN	US Social Security Number (SSN)
UK_NHS	UK NHS number
UK_NINO	UK National Insurance Number
ES_NIF	Spanish NIF number (personal tax ID)
ES_NIE	Spanish NIE number (foreigners ID card)
IT_FISCAL_CODE	Italian personal tax ID code
IT_DRIVER_LICENSE	Italian driver license number
IT_VAT_CODE	Italian VAT code number
IT_PASSPORT	Italian passport number
IT_IDENTITY_CARD	Italian identity card number
PL_PESEL	Polish PESEL number
SG_NRIC_FIN	National Registration Identification Card (Singapore)
SG_UEN	Unique Entity Number (for entities registered in Singapore)
AU_ABN	Australian Business Number (ABN)
AU_ACN	Australian Company Number (ACN)
AU_TFN	Australian tax file number (TFN)
AU_MEDICARE	Medicare number (issued by Australian government)
IN_PAN	Indian Permanent Account Number (PAN)
IN_AADHAAR	Individual identity number (issued by Indian government)
IN_VEHICLE_REGISTRATION	Vehicle registration number (issued by Indian government)
IN_VOTER	Numeric voter ID (issued by Indian Election Commission)
IN_PASSPORT	Indian Passport Number
FI_PERSONAL_IDENTITY_CODE	Finnish Personal Identity Code

The categories list is based on the list of PII entities supported by Presidio. Presidio is the data protection and de-identification SDK used in Firewall for AI.

Requires a Cloudflare Enterprise plan. You must also enable Firewall for AI.

Example usage:

# Matches requests where PII categorized as "EMAIL_ADDRESS" or "IBAN_CODE" was detected:
(cf.llm.prompt.pii_detected and any(cf.llm.prompt.pii_categories[*] in {"EMAIL_ADDRESS" "IBAN_CODE"}))

Categories:

• Request