WorldFirst Enterprise Solution API
The WorldFirst Enterprise Solution (World Account) API — a RESTful, JSON, signed-request interface covering customer onboarding, account and beneficiary management, statements, foreign exchange, transfer, payout, invoicing, and virtual-card (VC) credit for globally based partners and customers. Requests are signed with RSA256/ECC224 and carry an OAuth 2.0 Access-Token; no downloadable OpenAPI is published.