FHIR Client
Category: Healthcare Standards: FHIR R4 · SMART on FHIR · HIPAA · TLS 1.2+
Universal FHIR R4 client with SMART on FHIR authentication
What this node does
- SMART on FHIR OAuth2
- PKCE
- Search/Read/Create/Update/Delete
- Batch operations
- Patient summary
How to use
- In the Hydra Builder, open or create a workflow
- In the node palette on the left, find FHIR Client under the Healthcare category (or use the search bar)
- Drag the node onto the canvas
- Double-click the node to open its configuration dialog
- Fill in the required parameters (see Configuration below)
- Connect the Operation Parameters input port from an upstream node
- Optionally connect the Access Token port if needed
- Connect the FHIR Result and FHIR Bundle and Error output to the next node downstream
Inputs
| Port | Type | Required | Description |
|---|---|---|---|
| Operation Parameters | json | ✓ | JSON data object |
| Access Token | text | Optional | Plain text string |
Outputs
| Port | Type | Description |
|---|---|---|
| FHIR Result | fhir-resource | A single FHIR R4 resource (Patient, Observation, etc.) |
| FHIR Bundle | fhir-bundle | A FHIR R4 Bundle containing one or more resources |
| Error | error | Error information if the operation failed |
Configuration
Open the configuration dialog by double-clicking the FHIR Client node on the canvas.
| Parameter | What to enter |
|---|---|
baseUrl | Base URL of the FHIR server, e.g. https://fhir.example.com/r4 |
authentication (SMART/OAuth2) | Authentication method: SMART on FHIR (recommended) or standard OAuth 2.0 |
operation type | FHIR operation type: read, search, create, update, or delete |
resourceType | The FHIR resource type to operate on, e.g. Patient, Observation |
search parameters | FHIR search parameters as key-value pairs |
batch operations | Enable batch mode to process multiple resources in a single request |
When to use this node
- Connect to any FHIR R4 server
- Patient data retrieval
- Clinical data queries
- Multi-resource batch operations
Need help configuring this node?
Go to Settings → Connectors to set up the connection this node depends on, then reference the connector ID in the node configuration dialog.