LNB Paris API & Open Banking Integration

Protocol analysis and Open Data integration for Liberty National Bank mobile banking: transaction export, statement API, balance sync—compliant delivery

From $300
OpenData · OpenFinance · OpenBanking · Protocol analysis

Connect LNB Paris account and transaction data to your systems

LNB Paris is the personal financial app from Liberty National Bank in Paris, Texas. It gives customers 24/7 access to accounts with transaction tagging, notes, receipt and check photos, balance alerts, payments, transfers, mobile check deposit, debit card controls, and monthly statements. In 2024 the app was released (package com.lnbparis.grip) and has received regular updates—Android 3.22.0 and iOS 3.19.0 as of 2025—with high store ratings. We deliver protocol analysis and usable API implementations so you can integrate balances, transaction history, statements, and payment flows in line with OpenBanking and US consumer data rights, with user consent and compliance.

  • Transaction history and metadata — Tagged transactions, notes, and receipt/check images for reconciliation and expense reporting.
  • Balances and statements — Account balances and monthly statement data for dashboards and compliance.
  • Payments and deposits — Payment and transfer flows plus mobile deposit status for audit and accounting integration.
Transaction history API — Retrieve transaction lists with date range and account filters; support tags, notes, and receipt references. Use for reconciliation with QuickBooks, Xero, or internal ledgers. Fields include amount, date, description, running balance, and user-added metadata.
Balance sync — Real-time or cached balance endpoints per account for cash-flow dashboards and multi-account aggregation in line with OpenBanking data portability.
Statement export — Monthly statement view and save; we can expose statement data via API for period-based reporting and compliance archives.
Balance alerts — Alert thresholds and delivery preferences for compliance logging and notification management.
Payments and transfers — Metadata for payments to companies or friends and transfers between accounts; supports audit trails and payment reconciliation.
Mobile check deposit and card controls — Deposit status and card on/off state for audit and security workflows.

Screenshots

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LNB Paris screenshot 1 LNB Paris screenshot 2 LNB Paris screenshot 3 LNB Paris screenshot 4 LNB Paris screenshot 5 LNB Paris screenshot 6 LNB Paris screenshot 7 LNB Paris screenshot 8 LNB Paris screenshot 9 LNB Paris screenshot 10

Data available for integration

From protocol analysis and authorized data flows, the following data types can be exposed via APIs we deliver. Granularity and use cases are indicative; actual scope depends on app capabilities and client consent.

Data typeSource (screen / feature)GranularityTypical use
Account balancesAccount summary, dashboardPer account, per refreshCash-flow dashboards, aggregation, OpenBanking
Transaction historyTransaction list, tags, notes, receiptsPer transaction, date rangeReconciliation, accounting sync, compliance
Statement dataView and save monthly statementsPer account, per monthReporting, compliance, audit
Balance alertsAlerts managementPer alert, per userCompliance, notification preferences
Payment and transfer metadataPayments, transfers between accountsPer payment/transferAudit, payment reconciliation
Mobile deposit statusCheck deposit (front/back photo)Per deposit, statusAudit trail, deposit reconciliation
Card stateDebit card on/offPer cardSecurity and fraud workflows
Branch/ATM locationsFind branches and ATMsPer locationLocation services, routing

Typical integration scenarios

Accounting and reconciliation

A small business or accountant needs to sync LNB Paris checking and savings transactions into QuickBooks, Xero, or an internal ledger. Our delivered API provides transaction-history endpoints with date range and account filters, including tags and notes. Data maps to OpenBanking: structured transaction records (amount, date, description, balance, user metadata). Flow: LNB Paris app or authorized client → auth → API → export to accounting software; duplicate detection and categorization can be applied downstream.

Personal finance aggregation

A user wants to see LNB Paris accounts alongside other banks in one dashboard. We deliver a consent-based API that returns balances and transaction lists. This fits OpenBanking and CFPB Section 1033–style data portability: multiple sources in one view. Fields: accounts[], balances[], transactions[] with standard identifiers. In the US community bank space, tools like Plaid and Yodlee often connect to such institutions; our protocol implementation can complement or bypass aggregator dependency where appropriate.

Compliance and audit

An auditor or compliance team needs exportable transaction and deposit records for a given period. Our implementation can expose statement and deposit-status endpoints with filters (date range, account). Response includes amounts, dates, and status—aligned with GLBA and CFPB expectations for consumer data handling and audit trails.

Expense and receipt tracking

LNB Paris allows tags, notes, and photos of receipts and checks. We can design an API that surfaces this metadata (and optionally receipt image references) for expense management and reimbursement workflows. Use: categorized spending reports, audit-ready receipt linkage, and integration with expense tools.

Cash-flow and reporting dashboards

A treasurer or finance team aggregates balances and transaction summaries from LNB Paris for cash-flow visibility. Data flow: authorized API → ingestion layer → storage → dashboard; compliant with consent and minimal data retention. Supports CSV/JSON export for internal reporting.

What we deliver

Deliverables

  • API specification (OpenAPI / Swagger)
  • Protocol and auth flow analysis (login, token, session)
  • Runnable API source code (Python / Node.js) for balances, transactions, statements
  • Test scripts and interface documentation
  • Compliance notes (GLBA, CFPB 1033, consent, retention)

Example: transaction history (pseudo)

// Example: fetch transaction statement (pseudo)
GET /api/v1/lnbparis/transactions
Authorization: Bearer <ACCESS_TOKEN>

Query: account_id, from_date, to_date, limit, offset

Response: {
  "transactions": [
    { "id": "tx1", "date": "2025-03-10", "amount": -50.00,
      "description": "POS DEBIT", "tags": ["office"],
      "balance": 1250.00 }
  ],
  "total_count": 42
}

Example: account balances (pseudo)

// Example: list accounts and balances (pseudo)
GET /api/v1/lnbparis/accounts
Authorization: Bearer <ACCESS_TOKEN>

Response: {
  "accounts": [
    { "id": "chk1", "type": "checking", "name": "Primary",
      "balance": 1250.00, "currency": "USD" }
  ]
}

Example: auth and error handling (pseudo)

// Login / token refresh (pseudo)
POST /api/v1/auth/refresh
Content-Type: application/json
{ "refresh_token": "<REFRESH_TOKEN>" }

Response 200: { "access_token": "...", "expires_in": 3600 }
Response 401: { "error": "invalid_grant", "message": "Token expired" }
Response 429: { "error": "rate_limit", "retry_after": 60 }

Compliance & privacy

We work from client authorization or public/authorized APIs and follow privacy and local regulations. For US community bank mobile banking such as LNB Paris (Liberty National Bank), we align with the Gramm–Leach–Bliley Act (GLBA) for financial privacy and safeguarding, and the Consumer Financial Protection Bureau (CFPB) Personal Financial Data Rights rule (Section 1033, finalized October 2024), which promotes secure, standardized API-based data access for consumers and authorized third parties. All implementations we deliver can support consent records, minimal data retention, and secure transmission. US banks are not subject to European PSD2; GLBA and CFPB form the primary US framework.

Data flow / architecture

A typical pipeline we design: (1) Client app (LNB Paris or your front-end) — user consents and triggers requests. (2) Ingestion / API layer — our delivered service authenticates (e.g. token or session), validates scope, and queries the data source. (3) Storage or cache (optional) — for aggregation or reporting. (4) Output — JSON/API to your accounting software, dashboard, or analytics. Logs and consent are retained for audit.

Market positioning & user profile

LNB Paris targets B2C customers of Liberty National Bank in Paris, Texas (Lamar Avenue and North Collegiate branch). The app serves individuals and small businesses in the region with 24/7 mobile banking. It is available on Android (com.lnbparis.grip) and iOS, with high store ratings (e.g. 4.9 on Android). The app is built on a Grip-style mobile banking platform common among community banks. In the same ecosystem, Plaid, Yodlee, and Banno (Grip) provide aggregation and PFM capabilities; our protocol analysis and API delivery can complement these or enable direct integration where aggregator coverage is limited.

About us

We are a technical studio focused on app interface and authorized API integration. We deliver protocol analysis, Open Data integration, third-party integration, and automated scripting plus API documentation. Services start at $300; we can deliver first and you pay when satisfied.

  • Experience in fintech and mobile apps
  • Android and iOS; ready-to-use API source and docs
  • Transparent pricing; result-first option

Contact

For inquiries, quotes, or to send your target app and requirements:

Contact us

Process

  1. Confirm needs: app name (LNB Paris) and integration scope (balances, transactions, statements, alerts).
  2. Protocol analysis and API design (2–5 days, depending on scope).
  3. Development and validation (3–8 days).
  4. Delivery of docs, samples, and tests (1–2 days).
  5. Typical first delivery: 5–15 business days.

FAQ

What do I need to provide?

Target app name (LNB Paris), concrete needs (e.g. transaction export, balance sync, statement API), and whether you have test credentials or environment.

How long until delivery?

Usually 5–12 business days for first API and docs; community bank app protocol analysis may extend for complex auth or multi-account flows.

Compliance and privacy?

We use authorized or public interfaces and recommend logging, consent records, and minimal retention; NDA available. We align with GLBA and CFPB 1033 where applicable.
LNB Paris official app overview (appendix)

LNB Paris is your personal financial advocate from Liberty National Bank. It is fast, secure and makes life easier by empowering you with the tools you need to manage your finances.

Here’s what you can do with LNB Paris: Keep your transactions organized by allowing you to add tags, notes and photos of receipts and checks. Set up alerts so you know when your balance drops below a certain amount. Make payments, whether you’re paying a company or a friend. Transfer money between your accounts. Deposit checks in a snap by taking a picture of the front and back. Turn off your debit card if you’ve misplaced it. View and save your monthly statements. Find branches and ATMs near you.

  • Transaction tags, notes, receipt and check photos
  • Balance alerts, payments, transfers, mobile check deposit
  • Debit card controls, monthly statements, branch/ATM locator
  • Android: com.lnbparis.grip; iOS: LNB Paris. Released January 2024; regular updates (e.g. 3.22.0 Android, 3.19.0 iOS in 2025).