Intro to Use Cases

This section contains practical ORCA implementation scenarios that walk through real-world integrations end-to-end. Each use case targets a specific banking domain and demonstrates how to compose ORCA's normalized REST API to accomplish common fintech workflows against any supported Core.

Every use case page includes:

  • The business context and why the workflow matters
  • A scoped definition of what is (and isn't) covered
  • An architecture diagram showing the Fintech ↔ ORCA ↔ Core interaction
  • Step-by-step implementation with request/response examples
  • Endpoint tables, common headers, and field references
  • Error handling, edge cases, and integration caveats

Use cases

  • Account Opening — Onboarding customers and opening deposit accounts, including party search/creation, ownership configuration, initial funding, and post-creation servicing.
  • Cards — Managing the credit and debit card lifecycle: issuance, activation, status management (lock/unlock), limit changes, and transaction retrieval.
  • Customer Service — Contact-center operations including customer lookups, balance and transaction inquiries, intra-bank internal transfers, deposits, withdrawals, and holds.
  • Loan Boarding — Originating loans through ORCA with borrower onboarding, inline collateral for secured loans, escrow account linkage, and loan documentation upload.
  • Payments Processing — Initiating credit transfers across payment rails (RTP, FedNow, ACH, Wire) with recipient identification, account validation, and payment lifecycle tracking.