Skip to main content

Rust SDK

The Haste Health Rust SDK provides type-safe, high-performance libraries for building FHIR applications in Rust. Our crates are published on the crates.io registry.

Visit rust.haste.health for technical documentation.

Core Crates​

haste-fhir-client​

FHIR client for making API requests to Haste Health servers.

[dependencies]
haste-fhir-client = "0.*"

Features:

  • Type-safe FHIR operations (create, read, update, delete, search)
  • Middleware support for request/response customization
  • HTTP and Axum integration
  • Operation execution support

View API documentation →

haste-fhir-model​

Complete FHIR R4 resource type definitions with serialization support.

[dependencies]
haste-fhir-model = "0.*"

Features:

  • All FHIR R4 resource types
  • Serde JSON serialization/deserialization
  • Optional SQLx integration for database storage
  • Custom Haste Health resource types (AccessPolicyV2, User, Project, Membership, IdentityProvider)

View API documentation →

haste-fhirpath​

FHIRPath expression evaluation engine.

[dependencies]
haste-fhirpath = "0.*"

Features:

  • FHIRPath specification support
  • Expression parsing and evaluation

View API documentation →

haste-jwt​

JWT Claims and token handling for OAuth 2.0 authentication.

[dependencies]
haste-jwt = "0.*"

Features:

  • SMART on FHIR scope support
  • Custom Haste Health claims
  • Token validation and parsing

View API documentation →

Additional Crates​

  • haste-fhir-terminology: Terminology services (CodeSystem, ValueSet validation)
  • haste-fhir-operation-error: FHIR OperationOutcome error handling
  • haste-hl7v2: HL7 v2 message parsing and conversion
  • haste-config: Configuration management

Complete Documentation​

Full API reference for all crates is available at rust.haste.health.

Example Usage​

use haste_fhir_client::{FHIRClient, http::FHIRHttpClient};
use haste_fhir_model::r4::generated::resources::{Patient, ResourceType, Resource};

#[tokio::main]
async fn main() {
    let fhir_client = /* initialize client */;
    
    // Create a patient
    let patient = Resource::Patient(Patient {
        // ... patient fields
    });

    let result = fhir_client.create((), ResourceType::Patient, patient).await?;
}

Installation​

Add dependencies to your Cargo.toml:

[dependencies]
haste-fhir-client = "0.*"
haste-fhir-model = "0.*"
haste-jwt = "0.*"

Source Code​

All crates are open source and available in the HasteHealth/HasteHealth repository.