post
https://api.sandbox.com/v1/beneficiaries//pay-in-accounts/individual
Establishes complete personal information for an individual beneficiary's pay-in account. This includes identity verification data (name, date of birth, government ID numbers), contact details (email, phone), residential address, and other KYC information. Use this when onboarding a new individual user who will receive funds into their account. This is required before the individual can access payment features.