API Reference: AegisBank Platform

1. Authentication

• POST /api/auth/register: Creates new user account.
• POST /api/auth/login: Validates credentials; returns JWT token.
• POST /api/auth/logout: Revokes token and appends to blackList collection.
• POST /api/auth/change-password: Updates password with verification of old credentials.

2. Accounts

• GET /api/accounts: Lists accounts owned by authenticated user.
• POST /api/accounts: Creates a new checking or savings account with initial balance.

3. Transactions

• POST /api/transactions/transfer: Executes double-entry fund transfer.
  • Payload:

{
  "fromAccountId": "651a1b2c3d4e5f6a7b8c9d0e",
  "toAccountId": "651a9f8e7d6c5b4a3b2c1d0f",
  "amount": 250.00,
  "description": "Invoice Payment"
}

• GET /api/transactions/export/csv: Downloads transaction statement CSV.