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Individual KYC

When submitting KYC data through the Fern API, you must provide the correct nationalIdType for the customer’s nationalIdIssuingCountry. Each country has specific tax identification and national ID number types that are accepted for verification.

Business KYB

When submitting KYB data for businesses, each associated person (beneficial owners, controllers, directors) must provide their nationalIdType matching their nationalIdIssuingCountry using the individual identity types below. Additionally, businesses must provide a businessRegistrationNumber using the business identity types listed in the separate business table.

Individual Identity Types by Country

Business Registration Types by Country

For businesses, use the following registration number types for the businessRegistrationNumber field:

Important Notes

  • Some countries support multiple identity/registration types - all accepted types are listed
  • Identity type codes are case-sensitive - use them exactly as shown
  • For KYB submissions, individuals use the Individual Identity Types table while businesses use the Business Registration Types table