Composition (FHIR R4)
FHIR R4 Composition resource.
This reference is generated from the canonical Huli Public API OpenAPI specification and the server's FHIR R4 CapabilityStatement — do not edit it directly.
FHIR R4 Specification
Official spec: Composition — HL7 FHIR R4
Supported Interactions
- read — Read a single resource by ID (
GET /fhir/R4/{Resource}/{id}) - search-type — Search resources with query parameters (
GET /fhir/R4/{Resource}?...) - create — Create a new resource (
POST /fhir/R4/{Resource}) - update — Update an existing resource (
PUT /fhir/R4/{Resource}/{id})
Scopes
Scopes are shared across FHIR releases — the same system/Composition.* scope grants Composition access on both /fhir/R4 and /fhir/R5.
- system/Composition.rs — see scope reference
- system/Composition.cru — see scope reference
Search Parameters
| Parameter | Type | Notes |
|---|---|---|
_id | token | Exact match. For identifiers use `system |
patient | reference | Resource reference — supply the UUID of the referenced resource. |
type | token | Exact match. For identifiers use `system |
date | date | Supports FHIR date prefixes: eq, ne, gt, ge, lt, le. Format: [prefix]YYYY-MM-DD. |
_count | number | Integer. For _count: default 20, max 100. |
_cursor | string | Case-insensitive partial match. |
Endpoints
Read Composition
Retrieve a single Composition (the clinical-note projection of an encounter) by its ID. The response carries a weak ETag derived from the encounter's last-modified time.
/fhir/R4/Composition/{id}Required scope: system/Composition.rs
Code Samples
TOKEN=$(curl -s -X POST https://api.huli.ai/auth/token \
-d "grant_type=client_credentials" \
-d "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer" \
-d "client_assertion=${CLIENT_ASSERTION}" \
-d "scope=system/Composition.rs" \
| jq -r .access_token)
curl -X GET https://api.huli.ai/fhir/R4/Composition/${RESOURCE_ID} \
-H "Authorization: Bearer ${TOKEN}"
const token = process.env.HULI_ACCESS_TOKEN ?? "";
const response = await fetch(
`https://api.huli.ai/fhir/R4/Composition/${id}`,
{
method: "GET",
headers: {
"Authorization": `Bearer ${token}`,
},
}
);
if (!response.ok) throw new Error(`HTTP ${String(response.status)}`);
const data: unknown = await response.json();
import os
import requests
token = os.environ["HULI_ACCESS_TOKEN"]
headers = {"Authorization": f"Bearer {token}"}
resp = requests.get(
f"https://api.huli.ai/fhir/R4/Composition/{resource_id}",
headers=headers,
)
resp.raise_for_status()
print(resp.json())
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
public class getCompositionExample {
public static void main(String[] args) throws Exception {
String token = System.getenv("HULI_ACCESS_TOKEN");
String resourceId = "RESOURCE_ID";
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://api.huli.ai/fhir/R4/Composition/" + resourceId))
.header("Authorization", "Bearer " + token)
.header("Accept", "application/fhir+json")
.method("GET", HttpRequest.BodyPublishers.noBody())
.build();
HttpResponse<String> response =
client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println("status: " + response.statusCode());
System.out.println(response.body());
}
}
import (
"fmt"
"net/http"
"os"
)
func getCompositionExample() {
token := os.Getenv("HULI_ACCESS_TOKEN")
req, _ := http.NewRequest("GET", "https://api.huli.ai/fhir/R4/Composition/"+resourceID+"", nil)
req.Header.Set("Authorization", "Bearer "+token)
resp, err := http.DefaultClient.Do(req)
if err != nil {
fmt.Println("error:", err)
return
}
defer resp.Body.Close()
fmt.Println("status:", resp.Status)
}
Errors
| Code | Status | Description |
|---|---|---|
| HPB-00106 | 401 | Authentication failed |
| HPB-00104 | 403 | Insufficient scope |
| HPB-00102 | 404 | Resource not found |
| HPB-00105 | 429 | Rate limit exceeded |
Update Composition
Update a Composition's clinical narrative and document status. Supports optimistic concurrency via If-Match against the weak ETag returned on read (a stale ETag yields 409 HPB-00103). Set status: entered-in-error to void the note. The underlying visit envelope (class, period) is preserved.
/fhir/R4/Composition/{id}Required scope: system/Composition.u
Code Samples
TOKEN=$(curl -s -X POST https://api.huli.ai/auth/token \
-d "grant_type=client_credentials" \
-d "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer" \
-d "client_assertion=${CLIENT_ASSERTION}" \
-d "scope=system/Composition.u" \
| jq -r .access_token)
curl -X PUT https://api.huli.ai/fhir/R4/Composition/${RESOURCE_ID} \
-H "Authorization: Bearer ${TOKEN}" \
-H "Content-Type: application/fhir+json" \
-d @resource.json
const token = process.env.HULI_ACCESS_TOKEN ?? "";
const response = await fetch(
`https://api.huli.ai/fhir/R4/Composition/${id}`,
{
method: "PUT",
headers: {
"Authorization": `Bearer ${token}`,
"Content-Type": "application/fhir+json",
},
body: JSON.stringify(payload),
}
);
if (!response.ok) throw new Error(`HTTP ${String(response.status)}`);
const data: unknown = await response.json();
import os
import requests
token = os.environ["HULI_ACCESS_TOKEN"]
headers = {"Authorization": f"Bearer {token}", "Content-Type": "application/fhir+json"}
resp = requests.put(
f"https://api.huli.ai/fhir/R4/Composition/{resource_id}",
headers=headers,
json=payload,
)
resp.raise_for_status()
print(resp.json())
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
public class updateCompositionExample {
public static void main(String[] args) throws Exception {
String token = System.getenv("HULI_ACCESS_TOKEN");
String resourceId = "RESOURCE_ID";
String payload = "{}"; // your serialized FHIR resource
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://api.huli.ai/fhir/R4/Composition/" + resourceId))
.header("Authorization", "Bearer " + token)
.header("Accept", "application/fhir+json")
.header("Content-Type", "application/fhir+json")
.method("PUT", HttpRequest.BodyPublishers.ofString(payload))
.build();
HttpResponse<String> response =
client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println("status: " + response.statusCode());
System.out.println(response.body());
}
}
import (
"fmt"
"net/http"
"os"
)
func updateCompositionExample() {
token := os.Getenv("HULI_ACCESS_TOKEN")
req, _ := http.NewRequest("PUT", "https://api.huli.ai/fhir/R4/Composition/"+resourceID+"", body)
req.Header.Set("Authorization", "Bearer "+token)
req.Header.Set("Content-Type", "application/fhir+json")
// set req.Body to your serialized resource
resp, err := http.DefaultClient.Do(req)
if err != nil {
fmt.Println("error:", err)
return
}
defer resp.Body.Close()
fmt.Println("status:", resp.Status)
}
Errors
| Code | Status | Description |
|---|---|---|
| HPB-00101 | 400 | Validation error |
| HPB-00106 | 401 | Authentication failed |
| HPB-00104 | 403 | Insufficient scope |
| HPB-00102 | 404 | Resource not found |
| HPB-00103 | 409 | Version conflict |
| HPB-00101 | 422 | Unprocessable entity |
| HPB-00105 | 429 | Rate limit exceeded |
Search Compositions
Search Compositions by patient, date, and type. Paginated with _count and _cursor.
/fhir/R4/CompositionRequired scope: system/Composition.rs
Query Parameters
| name | type | required | description |
|---|---|---|---|
| _id | string | optional | Composition logical id (UUID) — exact match. |
| patient | string | optional | Patient reference (UUID). |
| date | string | optional | Visit date (FHIR date, prefix-aware). |
| type | string | optional | Composition type token (LOINC consultation-note code). |
| _count | integer | optional | Number of results per page (default: 20, max: 100). |
| _cursor | string | optional | Opaque pagination cursor from the `next` link of a previous search result. |
Code Samples
TOKEN=$(curl -s -X POST https://api.huli.ai/auth/token \
-d "grant_type=client_credentials" \
-d "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer" \
-d "client_assertion=${CLIENT_ASSERTION}" \
-d "scope=system/Composition.rs" \
| jq -r .access_token)
curl -X GET https://api.huli.ai/fhir/R4/Composition \
-H "Authorization: Bearer ${TOKEN}"
const token = process.env.HULI_ACCESS_TOKEN ?? "";
const response = await fetch(
`https://api.huli.ai/fhir/R4/Composition`,
{
method: "GET",
headers: {
"Authorization": `Bearer ${token}`,
},
}
);
if (!response.ok) throw new Error(`HTTP ${String(response.status)}`);
const data: unknown = await response.json();
import os
import requests
token = os.environ["HULI_ACCESS_TOKEN"]
headers = {"Authorization": f"Bearer {token}"}
resp = requests.get(
f"https://api.huli.ai/fhir/R4/Composition",
headers=headers,
)
resp.raise_for_status()
print(resp.json())
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
public class searchCompositionsExample {
public static void main(String[] args) throws Exception {
String token = System.getenv("HULI_ACCESS_TOKEN");
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://api.huli.ai/fhir/R4/Composition"))
.header("Authorization", "Bearer " + token)
.header("Accept", "application/fhir+json")
.method("GET", HttpRequest.BodyPublishers.noBody())
.build();
HttpResponse<String> response =
client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println("status: " + response.statusCode());
System.out.println(response.body());
}
}
import (
"fmt"
"net/http"
"os"
)
func searchCompositionsExample() {
token := os.Getenv("HULI_ACCESS_TOKEN")
req, _ := http.NewRequest("GET", "https://api.huli.ai/fhir/R4/Composition", nil)
req.Header.Set("Authorization", "Bearer "+token)
resp, err := http.DefaultClient.Do(req)
if err != nil {
fmt.Println("error:", err)
return
}
defer resp.Body.Close()
fmt.Println("status:", resp.Status)
}
Errors
| Code | Status | Description |
|---|---|---|
| HPB-00101 | 400 | Validation error |
| HPB-00106 | 401 | Authentication failed |
| HPB-00104 | 403 | Insufficient scope |
| HPB-00105 | 429 | Rate limit exceeded |
Create Composition
Create a Composition. Because a Composition is a projection of an encounter, this creates a new encounter carrying the clinical narrative (subject + author are required). The server assigns the resource ID.
/fhir/R4/CompositionRequired scope: system/Composition.c
Code Samples
TOKEN=$(curl -s -X POST https://api.huli.ai/auth/token \
-d "grant_type=client_credentials" \
-d "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer" \
-d "client_assertion=${CLIENT_ASSERTION}" \
-d "scope=system/Composition.c" \
| jq -r .access_token)
curl -X POST https://api.huli.ai/fhir/R4/Composition \
-H "Authorization: Bearer ${TOKEN}" \
-H "Content-Type: application/fhir+json" \
-d @composition.json
const token = process.env.HULI_ACCESS_TOKEN ?? "";
const response = await fetch(
`https://api.huli.ai/fhir/R4/Composition`,
{
method: "POST",
headers: {
"Authorization": `Bearer ${token}`,
"Content-Type": "application/fhir+json",
},
body: JSON.stringify(payload),
}
);
if (!response.ok) throw new Error(`HTTP ${String(response.status)}`);
const data: unknown = await response.json();
import os
import requests
token = os.environ["HULI_ACCESS_TOKEN"]
headers = {"Authorization": f"Bearer {token}", "Content-Type": "application/fhir+json"}
resp = requests.post(
f"https://api.huli.ai/fhir/R4/Composition",
headers=headers,
json=payload,
)
resp.raise_for_status()
print(resp.json())
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
public class createCompositionExample {
public static void main(String[] args) throws Exception {
String token = System.getenv("HULI_ACCESS_TOKEN");
String payload = "{}"; // your serialized FHIR resource
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://api.huli.ai/fhir/R4/Composition"))
.header("Authorization", "Bearer " + token)
.header("Accept", "application/fhir+json")
.header("Content-Type", "application/fhir+json")
.method("POST", HttpRequest.BodyPublishers.ofString(payload))
.build();
HttpResponse<String> response =
client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println("status: " + response.statusCode());
System.out.println(response.body());
}
}
import (
"fmt"
"net/http"
"os"
)
func createCompositionExample() {
token := os.Getenv("HULI_ACCESS_TOKEN")
req, _ := http.NewRequest("POST", "https://api.huli.ai/fhir/R4/Composition", body)
req.Header.Set("Authorization", "Bearer "+token)
req.Header.Set("Content-Type", "application/fhir+json")
// set req.Body to your serialized resource
resp, err := http.DefaultClient.Do(req)
if err != nil {
fmt.Println("error:", err)
return
}
defer resp.Body.Close()
fmt.Println("status:", resp.Status)
}
Errors
| Code | Status | Description |
|---|---|---|
| HPB-00101 | 400 | Validation error |
| HPB-00106 | 401 | Authentication failed |
| HPB-00104 | 403 | Insufficient scope |
| HPB-00101 | 422 | Unprocessable entity |
| HPB-00105 | 429 | Rate limit exceeded |