The secure API gateway for Karisma, built for modern healthcare integrations.
A unique credential for every integration, centralised authentication, and complete visibility over every call into your RIS.
K-Link is Kestral’s new API gateway for Karisma. It replaces shared API tokens with a unique credential for every integration, enforces centralised authentication, and gives you complete visibility over every call into your RIS.
Built on a modern containerised architecture, K-Link strengthens security, protects performance under load, and lays the foundation for the next wave of healthcare interoperability — including provider directory integration, FHIR eRequesting, and ecosystem connections.
A unique credential for every integration, centralised OAuth 2.0 authentication, and role-based access control across every connection.
Decide exactly which API calls each integration can make. Limit scope, revoke access cleanly, and keep every connection in its own lane.
Throttle controls and intelligent load management prevent any single integration from affecting Karisma’s performance for your team.
A real-time analytics dashboard shows every call, every integration, every day, so you can spot issues early and plan with confidence.
A containerised foundation for provider directory integration, FHIR eRequesting, and the next generation of connected healthcare services.
Every external system connecting to Karisma passes through K-Link first. Nothing reaches your RIS until it has been authenticated, authorised, and logged.
Each integration holds its own unique credential. K-Link verifies every request using OAuth 2.0 before it reaches Karisma.
Role-based access control defines what each integration can do. Unneeded calls are blocked at the gateway, not the database.
Approved calls are routed to the right Karisma service — with throttling and orchestration handled at the edge.
Every request is logged, analysed, and surfaced in the K-Link analytics dashboard in real time.
K-Link is engineered for the demands of healthcare environments that need to stay online, stay secure, and keep evolving — with components that scale independently and updates that roll out without Karisma downtime.
Industry-standard OAuth 2.0 replaces static API keys, role-based access control limits each integration to only what it needs, and workflow orchestration lets multi-step calls happen in a single round trip.
Developed by the team behind Karisma, K-Link is designed specifically for the integration realities of radiology and pathology practices. We understand the workflows, the compliance pressures, and the vendor ecosystems — because we have spent three decades building alongside them.
For existing customers on the Advanced API, K-Link is a free upgrade that recognises your prior investment. For customers on the Basic API, it is a modest step up that unlocks per-integration control and a cleaner path forward — your transition coordinated by the same Kestral team that supports Karisma every day.
K-Link is Kestral’s API integration gateway for Karisma, designed for radiology practices across Australia and New Zealand that need to connect Karisma with third-party systems. K-Link governs how external applications connect to Karisma, managing security controls, access permissions and data flow between Karisma and the broader technology environment a practice operates in. It sits alongside the Karisma API to give practices and developers a structured, manageable integration layer.
The Karisma API enables direct, structured data exchange between Karisma and external systems. K-Link is the gateway layer that governs how those connections operate. Where the API defines what data can be exchanged, K-Link controls who can access it, under what conditions and with what security parameters. Together they give practices a complete integration architecture that is both functional and manageable as the technology environment grows.
K-Link can connect Karisma with booking platforms, patient management systems, specialist clinical applications, billing platforms and other third-party tools used in Australian and New Zealand radiology and healthcare environments. K-Link includes tools to connect with new systems as they are introduced, so the integration architecture can expand alongside the practice’s technology environment without requiring a rebuild of existing connections.
K-Link applies security controls, access permissions and throttle management to all connections between Karisma and external systems. Each integration is governed by defined access rules that determine what data is shared, with which system, and under what conditions. This keeps patient data and clinical information protected across all third-party connections while maintaining the performance and stability practices depend on.
K-Link can be used by radiology practices, hospital networks and third-party developers who need to integrate Karisma with other systems in the clinical or administrative technology environment. Practices with complex multi-system environments across Australia and New Zealand use K-Link to manage connections centrally rather than maintaining separate point-to-point integrations that become difficult to govern as the environment grows.
K-Link supports the integration standards used in Australian and New Zealand healthcare, including HL7 messaging and FHIR eRequesting. For practices implementing FHIR eRequesting, K-Link provides the gateway infrastructure that manages the connection between Karisma and the FHIR-compliant referral systems used by referring clinicians. This makes K-Link a key part of the interoperability architecture for practices moving toward fully electronic referral and ordering workflows.
Talk to our team about how K-Link can protect your Karisma environment and prepare your practice for the next wave of healthcare interoperability.
