POST /partner/files, and include the KYC data in the cardholder creation request.
Flow
- Upload documents via
POST /partner/files - Call
POST /partner/cardholderswithkycSource: "api"(or omitkycSourcefor backward compatibility) - KYC data is stored and a backing Sumsub applicant is created automatically
Create a cardholder with API KYC
The
kycSource field can be omitted — it defaults to "api" for backward compatibility. Existing integrations continue to work without changes.Required fields
See Cardholders for the full field reference forcustomerKycLevel1, customerKycLevel2, and customerKycLevel3.