Phase 1 — Integration Inventory (Week 1–2)
All current external connections mapped. Risk assessment completed.
Delivery milestone
ERP & Operations
LLA Integration Gateway
API and system integration layer connecting payment, shipping, warehouse, CRM, ERP, invoice, and AI systems.
LLA Integration Gateway provides an API and event integration layer that connects payment providers, shipping carriers, warehouse systems, CRM, ERP, e-invoice, e-contract, AI, and third-party services into a coherent operational network.
LLA Platform Operations
Integration & Event Gateway
48
Active Integrations
2.3M
Events / Month
99.9%
Delivery Rate
<250ms
Median Latency
| Integration | Type | Events Today | Success Rate | Status |
|---|---|---|---|---|
| VNPT e-Invoice API | VAT Invoice | 1,842 | 99.8% | ● Live |
| GHN Shipping | Logistics | 4,201 | 99.6% | ● Live |
| VNPay Gateway | Payment | 892 | 97.2% | Degraded |
| SmartCA Sign | E-Signature | 145 | 100% | ● Live |
Customer Reality
The problem is not software. It is operational order.
01
The Reality
Most businesses accumulate external system connections over time — a payment gateway here, a shipping API there, a VAT invoice provider added when tax regulations changed. Each connection was built separately, by different developers, with different error handling and different logging approaches. When any one of them fails, the operations team has no visibility into why, where, or what data was lost. The integration layer is invisible until it breaks.
02
Why It Matters
Direct integrations work until they do not — and when they fail, the cost is not just technical. A failed payment event means unreconciled revenue. A lost shipping milestone means a customer complaint. A missed VAT invoice means a tax compliance gap. Retry logic, payload logging, health monitoring, and a centralised audit trail for every external system event are not engineering luxuries — they are operational governance requirements.
03
LLA's Insight
LLA treats every external API call as an auditable business event, not a technical transaction. This means every call has a record: what was sent, what was received, when it happened, whether it succeeded, and what was done when it failed. This audit model transforms integration from an invisible plumbing layer into a governed business capability — one that can be monitored, reported, and improved.
Best Fit
Who this is built for
Businesses with multiple external systems that need governed, auditable, and reliable data exchange rather than brittle point-to-point integrations.
Architecture
Modular ASP.NET Core services, PostgreSQL-backed operational records, role-based access, API-first integrations, and audit-ready workflows.
Problems Solved
Pain points LLA designs around
Direct integrations become unmaintainable
External API failures cascade
Data transformation is inconsistent
Audit trail stops at the boundary
Capability Pillars
From real problems to measurable outcomes
Each capability is designed around a specific operational problem - not a generic feature checklist.
API Orchestration Layer
Problem
Each external system connection is a separate, undocumented integration with different error handling and no central visibility.
Outcome
All external API connections route through a single governed layer with standardised request/response logging, error handling, and retry logic.
G
Every API call is recorded in the integration audit log — what was sent, received, and the outcome — regardless of success or failure.
Event Queue and Retry Management
Problem
When an external API fails, data is lost or must be manually re-processed. There is no automatic retry and no queue visibility.
Outcome
Failed events enter a managed retry queue with configurable backoff logic. Operations teams can see the queue, inspect payloads, and manually trigger retries.
G
All retry attempts are logged with outcome, timestamp, and error detail — creating a complete event processing audit trail.
Payload Transformation
Problem
Data formats differ between systems. Transformation logic is embedded in application code, invisible, and difficult to change without developer involvement.
Outcome
Configurable payload transformation rules convert data between system formats in the gateway layer — without changing application code.
G
Transformation rules are versioned. Every transformation applied to a payload is traceable.
Credential Vault
Problem
API keys and credentials are hardcoded in application configuration files, shared in team chats, or stored in uncontrolled spreadsheets.
Outcome
All external system credentials are stored in the credential vault with role-based access, rotation alerts, and no plaintext exposure.
G
Credential access is logged. Rotation history is maintained. No credential is visible in any log or payload.
Health and Latency Monitoring
Problem
Integration health is only discovered when something breaks. There is no proactive monitoring of latency, error rates, or API availability.
Outcome
Real-time dashboards show integration health, latency percentiles, error rates, and queue depths across all connected systems.
G
Health metrics are retained for trend analysis and capacity planning. Threshold breaches trigger automated alerts.
Modules
Functional modules
API orchestration layer
Event queue management
Payload transformation
Credential vault
Health and retry monitoring
Integration audit logs
Workflow control
Configurable operating workflows with status tracking and approval visibility.
Role-based access
Permissions designed for admins, managers, operators, reviewers, and external users.
API integration
Connects to ERP, CRM, payment, invoice, shipping, warehouse, document, and AI systems.
Audit-ready data
Tracks important actions, status changes, and operational records for review and reporting.
Platform Capability
What teams actually see and use
These showcase panels are built from operating screens, workflows, demo data, and control evidence.
API orchestration layer
Event queue management
Payload transformation
Credential vault
Health and retry monitoring
Integration audit logs
Transformation Journey
From current state to controlled operations
LLA does not begin with software configuration. LLA begins with operating model design.
01
01
Integration Inventory
LLA maps all current external system connections — documented and undocumented. Every API endpoint, credential store, and data transformation is identified.
OK Complete integration map with failure risk assessment
02
02
Governance Design
LLA designs the integration governance model: routing rules, retry policies, error handling, alerting thresholds, credential vault structure, and audit requirements.
OK Integration governance blueprint
03
03
Gateway Configuration
Each integration is migrated to the gateway layer with standardised error handling, payload logging, retry logic, and health monitoring.
OK All integrations operating through governed gateway
04
04
Alert and Monitor Setup
Health dashboards, failure alerts, latency monitoring, and retry queue dashboards are configured for operations visibility.
OK Operations monitoring layer active
05
05
Continuous Integration Management
New external systems are added through the gateway. Integration health is reviewed on a defined cadence.
OK Governed integration layer with change management process
Story Flow
Sticky product storytelling driven by CMS data
Modules that map to real operating work
API orchestration layer
Event queue management
Payload transformation
Credential vault
Health and retry monitoring
Integration audit logs
Example operating flow
01
Capture
Collect structured data, documents, roles, and required validation at the point work begins.
02
Route
Move requests through role-based workflows, approvals, assignments, and exception handling.
03
Integrate
Synchronize external services, files, payment, invoice, shipping, AI, or storage events through APIs.
04
Report
Provide dashboards, audit trails, exports, and management views that reflect the real operating state.
Use cases
Payment and invoice automation
Shipping milestone updates
Warehouse sync
Integration story
Vietnam payment gateways
VNPT/Viettel e-invoice
Major shipping carriers
Warehouse and 3PL APIs
Security and deployment posture
Security
Role-based permissions, audit logs, validation, secure file handling, approval workflows, and environment-based configuration.
Deployment
Private cloud, VPS, Docker/Coolify, IIS, or hybrid deployment depending on the customer's security and infrastructure requirements.
Integration Ecosystem
Not standalone. Connected.
This platform is designed to connect with the broader LLA ecosystem and third-party systems.
LLA Platform
LLA ERP Core
ERP operational events — orders, approvals, invoices — routed to external systems through the gateway.
LLA Platform
LLA Shipping & Logistics
Carrier API events, shipment milestones, and tracking updates routed through the gateway with retry logic.
Vietnam Integration
VNPT / Viettel e-Invoice
VAT invoice issuance events routed from ERP to certified e-invoice providers with full payload logging.
Vietnam Integration
Vietnam Payment Gateways
Payment event routing with reconciliation support and failure retry management.
Vietnam Integration
Major Shipping Carriers
GHTK, GHN, ViettelPost, and international carrier API integration through the governed gateway layer.
Implementation Roadmap
From signature to live operations - a clear path
Each phase includes clear delivery gates, ownership, and control checkpoints so operations teams can track progress week by week.
Phase 2 — Gateway Migration (Weeks 3–6)
Existing integrations migrated to gateway layer with standardised logging and retry.
Delivery milestonePhase 3 — Monitoring and Alerts (Weeks 7–9)
Health dashboards, latency monitoring, and alert configuration active.
Delivery milestonePhase 4 — Credential Vault and Governance (Weeks 10–12)
All credentials migrated to vault. Access controls enforced. Go-live.
Delivery milestone
Business Outcomes
Specific outcomes by leadership role
Each function gets specific, measurable outcomes - not vague benefits.
CEO / Managing Director
Giám đốc Điều hành
- Integration failures are visible before they become operational incidents.
- External system reliability is measurable — not discovered only when customers complain.
COO / Head of Operations
Giám đốc Vận hành
- Failed events are automatically retried. No manual re-processing of lost data.
- Operations team can see integration health and queue depth in real time.
Compliance / Legal
Tuân thủ & Pháp lý
- Every external system event has a complete audit record — payload, timestamp, outcome.
- Credentials are in a vault. No API key in any log or shared channel.
CTO / Head of IT
Giám đốc Công nghệ
- All integrations through one governed layer — one place to monitor, one place to update credentials.
- New external systems added through the gateway without modifying application code.
Product Detail
API and system integration layer connecting payment, shipping, warehouse, CRM, ERP, invoice, and AI systems.
LLA designs this platform around auditability, role-based access, API integration, operational dashboards, bilingual-ready content, and deployment models that can run in private cloud, Docker/Coolify, IIS, or hybrid enterprise infrastructure.
Governance Profile
Access control, audit, and compliance
LLA Integration Gateway logs every API call with full payload metadata, timestamp, user or system context, response status, and retry history. Credentials are stored in a vault with access controls and rotation management. No API key appears in any log or transmitted payload. Retry queues are inspectable and controllable. Health dashboards are accessible to operations and IT roles. The gateway can be deployed on customer-controlled infrastructure with no external dependency.
Why LLA
What makes LLA's delivery different
01
LLA treats every external API call as an auditable business event — with full payload logging, retry history, and outcome record.
02
LLA migrates existing direct integrations to the gateway layer without requiring application code changes.
03
LLA's credential vault removes API keys from configuration files, chat messages, and shared spreadsheets.
04
LLA's health monitoring surfaces integration problems before they become operational incidents.
05
LLA has built integration layers for Vietnam payment gateways, e-invoice providers, shipping carriers, and warehouse systems.
FAQ
Questions customers usually ask
Can this be customized?
Yes. LLA uses the product foundation as a starting point, then adapts workflows, data fields, roles, integrations, and reports to the customer's operating model.
Can it be deployed privately?
Yes. LLA supports private deployment using Docker/Coolify, IIS, PostgreSQL, object storage, and customer-controlled infrastructure when needed.
Does it support bilingual content?
The architecture supports English and Vietnamese content, including translated entity slugs for public detail pages.
Design the system around your operation
LLA can adapt this platform to your workflows, integrations, compliance model, and deployment environment.
Book a Consultation →