Resource One Credit Union API Integration (OpenBanking / OpenFinance)

Balance & Spending Sync

Retrieve up-to-the-minute balances for Daily, Prime, and Direct Spending Accounts. This real-time data flow allows Personal Finance Management (PFM) applications to build unified wealth dashboards and monitor cash liquidity accurately.

Comprehensive Transaction History

Access structured transaction records covering everything from automated bill payments to mobile check deposits. Financial reconciliation platforms use this API to eliminate manual ledger entry and categorize expenses automatically.

P2P Transfer Monitoring

Extract data on internal account transfers and Person-to-Person (P2P) payments. Corporate treasury systems rely on this capability to audit fund movements and ensure compliance across multi-account structures.

Loan Status & Underwriting Data

In 2024, R1CU integrated Scienaptic's AI-based credit decisioning. Our API can retrieve these automated loan approval statuses and credit score updates, providing wealth advisors with a complete picture of a member's debt profile.

Instant-Issue Card Tracking

Monitor the issuance and activation status of debit/credit cards, including instant digital wallet provisioning (Apple Pay, Google Pay). This is highly valuable for fraud management and customer service platforms.

Geospatial Branch & ATM Locator

Synchronize R1CU's branch and ATM location data, specifically covering the Dallas and Northwest Harris counties. Concierge apps and specialized map services integrate this data to guide users to the nearest in-network physical service points.

1. Automated PFM (Personal Finance) Dashboards

Context: End-users managing personal wealth want all their bank accounts aggregated in one application like Buxfer or Plaid-connected apps.
Data Involved: Checking/savings balances, transaction history.
OpenFinance Mapping: Utilizes secure token-based access to fetch R1CU member data automatically, providing a holistic view of personal liquidity and spending habits without manual CSV uploads.

2. B2B Accounting Software Reconciliation

Context: Small to medium businesses operating in Texas need daily updates for their corporate ledgers to maintain accurate cash flow statements.
Data Involved: Bill pay history, check deposits, large P2P transfers.
OpenFinance Mapping: B2B data export pipelines automate bookkeeping, extracting structured JSON/Excel feeds from R1CU accounts to drastically reduce manual data entry errors in platforms like QuickBooks or Xero.

3. Credit & Wealth Advisory Platforms

Context: Independent financial advisors require up-to-date insight into their clients' debt obligations and credit health.
Data Involved: Credit score monitoring data, AI-approved loan balances, and spending tiers (Daily/Prime/Direct).
OpenFinance Mapping: Leveraging OpenData protocols to retrieve loan summaries, allowing advisors to provide highly personalized debt consolidation strategies or investment advice based on real-time liabilities.

4. Corporate Treasury & Fraud Monitoring

Context: Enterprises managing multiple regional accounts must monitor liquidity and detect unauthorized digital wallet provisions.
Data Involved: Multi-account balance aggregation, instant-issue card statuses.
OpenFinance Mapping: A secure API bridge connects R1CU's infrastructure with enterprise ERPs, providing alerting mechanisms for large outgoing transfers or new device bindings.

OAuth Token Generation & Refresh

Simulates the app's secure login flow to obtain and maintain session tokens for continuous data access.

POST /api/v1/r1cu/auth/token
Content-Type: application/json

{
  "username": "user_id",
  "device_fingerprint": "xyz123...",
  "grant_type": "password"
}

// Returns:
{
  "access_token": "eyJhbG...",
  "expires_in": 3600,
  "refresh_token": "def456..."
}

Fetch Transaction History

Retrieves a paginated list of checking and savings transactions, filtered by date and transaction type.

GET /api/v1/r1cu/transactions?account_id=102938&from=2025-09-01&to=2025-09-30
Authorization: Bearer eyJhbG...

// Returns:
{
  "transactions": [
    {
      "tx_id": "TX99823",
      "date": "2025-09-15T10:30:00Z",
      "amount": -50.00,
      "type": "P2P_TRANSFER",
      "description": "Send money to John"
    }
  ],
  "pagination": { "next_cursor": "page2" }
}

Initiate / Verify P2P Transfer

Pre-validates and initiates an internal P2P transfer, ensuring sufficient funds and correct recipient details.

POST /api/v1/r1cu/transfers/p2p
Authorization: Bearer eyJhbG...

{
  "source_account": "102938",
  "recipient_id": "friend@email.com",
  "amount": 100.00,
  "memo": "Dinner split"
}

// Returns:
{
  "status": "PENDING_VERIFICATION",
  "verification_method": "SMS_OTP",
  "transfer_reference": "REF8821"
}