Citi Onboarding API
The Citi Onboarding API enables digital account opening, document submission, and KYC-driven origination workflows for onboarding new retail customers onto Citi products. It is one of the seven core products in the Citi Developer Hub retail catalog. Access uses OAuth 2.0 and requires partner onboarding for production use. Documentation is HTML-only; no downloadable OpenAPI or SDK is publicly available.