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Capability · Systems Integration

Secure interoperability
across messy enterprise reality.

The cost of disconnected systems compounds. Verne builds the API architectures, middleware, and secure data exchange layers that let modern platforms work alongside legacy core systems, without ripping anything out.

Built For
System-to-System
Posture
Defense-in-Depth
Typing
OpenAPI + Codegen
Latency
Sync + Async
Why This Matters

The hidden cost of
disconnected systems compounds.

Bilateral integrations between agencies, departments, and acquired companies multiply over time. The right architecture turns that growth from O(n²) into O(n).

Engagement Patterns

Six integration patterns
that survive at enterprise scale.

Each addresses a different shape of interoperability problem. We pick the pattern based on coupling tolerance, latency, and governance constraints.

01APIs

Typed API Architecture

OpenAPI/Protobuf-first contracts, generated clients, runtime validation, and versioning policy.

02Middleware

Service Bus / Middleware

Centralized routing for high-fan-out integrations. Event-driven where coupling tolerates it.

03ERP

ERP / CRM Integration

Real-time projection layers over slow systems of record. Eventually-consistent, audit-preserving.

04Public Sector

Government Interoperability

Cross-agency service exchange with identity broker, consent layer, and audit ledger.

05Federation

Identity & Payments Exchange

Federated identity, consent, payments, engineered for jurisdictional and compliance constraints.

06Secure Exchange

Secure Data Workflows

Cross-organization data exchange with consent, encryption-in-transit, and reproducible provenance.

Reference Architecture

An integration architecture
engineered for governance and scale.

Top to bottom: caller experience, the contract layer, the routing layer, the identity and audit boundary, source systems, and operational posture.

L6
Caller Surfaces
Web, mobile, third-party clients, partner integrations
L5
Contract Layer
OpenAPI / Protobuf, generated clients, schemas, versioning
L4
Routing & Middleware
Gateway, service bus, retry/idempotency, transformation
L3
Identity & Audit
OIDC / SAML, consent, audit ledger, rate limiting
L2
Source Systems
ERP, CRM, registries, mainframes, partner systems
L1
Operational Posture
Multi-region, observability, SLOs, runbook automation
Engineering Values

The engineering values that distinguish
integration that scales from integration that breaks.

These are the patterns we apply to every integration engagement. They are the difference between an API surface and a service.

Contracts as Source of Truth

Schemas are versioned, codegen-driven, and runtime-validated. The contract is enforced, not hoped for.

Idempotency Everywhere

Retries, failovers, and duplicate deliveries don’t break invariants. Operations get exactly-once semantics where they need them.

Audit as a Built-In Layer

Every cross-boundary call is logged with consent state, identity, and payload anchors. Reconstructable for years.

Defense in Depth

Identity, rate limiting, validation, payload signing, and runtime policy. Failure of one layer never compromises the system.

AI Systems Readiness Audit

Bring us your
most complex workflow.

In 7–10 working days, Verne maps your workflows, data sources, repetitive decisions, automation opportunities, and AI risk areas. You receive a prioritized roadmap showing what to automate, integrate, avoid, and build first.

Tell us what is broken. We will map the system.