### HttpClient request example

Source: https://rosetta-sync-api-docs.up.railway.app/api/fat-cursor-addressable-change-feed

C# implementation for making an authenticated GET request to the change feed.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/api/v1/changes");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Unauthorized request example

Source: https://rosetta-sync-api-docs.up.railway.app/records-api

Example request and response when the authentication token is missing.

```bash
curl "https://sync.example.com/api/v1/records/patient?_limit=2"
```

```json
{ "code": "unauthorized" }
```

--------------------------------

### Poll Change Feed Example

Source: https://rosetta-sync-api-docs.up.railway.app/change-feed

Example request and response for polling the change feed.

```bash
curl -H "Authorization: Bearer $ROSETTA_SYNC_TOKEN" \
  "https://sync.example.com/api/v1/changes?since=0&limit=100"
```

```json
{
  "events": [
    {
      "sequence": 1,
      "resourceType": "patient",
      "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",
      "operation": "create",
      "version": 1,
      "occurredAt": "2026-07-14T04:32:56.082Z",
      "orgSlug": "default",
      "record": {
        "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }],
        "familyName": "Mueller",
        "givenNames": ["Anna"],
        "birthDate": "1980-05-01",
        "gender": "female"
      }
    }
  ],
  "nextSince": 1
}
```

--------------------------------

### C# HttpClient Request Example

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-webhook-subscriptions-never-includes-the-signing-secret

Example implementation using C# HttpClient to perform the GET request with bearer authentication.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/api/v1/subscriptions");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Failed Request Example

Source: https://rosetta-sync-api-docs.up.railway.app/authentication

Example of a request using an invalid token, resulting in a 401 error.

```bash
curl https://sync.example.com/api/v1/changes?since=0 \
  -H "Authorization: Bearer not-a-real-token"
```

```json
{ "code": "unauthorized" }
```

--------------------------------

### Webhook Subscription Schema Example

Source: https://rosetta-sync-api-docs.up.railway.app/api/partially-updates-a-webhook-subscriptions-name-endpoint-filter-payload-mode-or-status

Example JSON structure representing a webhook subscription object.

```json
{
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "name": "string",
  "endpointUrl": "string",
  "filter": {
    "resourceTypes": [
      "patient"
    ],
    "operations": [
      "create"
    ],
    "sourceSystems": [
      "string"
    ],
    "orgSlugs": [
      "string"
    ],
    "excludeSourceSystems": [
      "string"
    ]
  },
  "payloadMode": "full",
  "status": "active",
  "lastDeliveredSequence": 0,
  "createdAt": "2024-07-29T15:51:28.071Z",
  "updatedAt": "2024-07-29T15:51:28.071Z"
}
```

--------------------------------

### Authenticated Request Example

Source: https://rosetta-sync-api-docs.up.railway.app/authentication

Example of using curl to send an authenticated request to the API.

```bash
curl https://sync.example.com/api/v1/changes \
  -H "Authorization: Bearer <SYNC_ENGINE_API_TOKEN>"
```

--------------------------------

### Change feed response schema example

Source: https://rosetta-sync-api-docs.up.railway.app/api/fat-cursor-addressable-change-feed

A generic example of the JSON structure returned by the change feed.

```json
{

  "events": [

    {

      "sequence": 0,

      "resourceType": "patient",

      "canonicalId": "string",

      "operation": "create",

      "version": 0,

      "occurredAt": "2024-07-29T15:51:28.071Z",

      "sourceSystem": "string",

      "record": {}

    }

  ],

  "nextSince": 0

}
```

--------------------------------

### Create Webhook Subscription with HttpClient

Source: https://rosetta-sync-api-docs.up.railway.app/api/registers-a-webhook-subscription-the-201-body-is-the-only-place-the-signing-secret-is-ever-returned

Example of creating a subscription using the C# HttpClient library.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Post, "https://sync.example.com/api/v1/subscriptions");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var content = new StringContent("{\n  \"name\": \"string\",\n  \"endpointUrl\": \"string\",\n  \"filter\": {\n    \"resourceTypes\": [\n      \"patient\"\n    ],\n    \"operations\": [\n      \"create\"\n    ],\n    \"sourceSystems\": [\n      \"string\"\n    ],\n    \"orgSlugs\": [\n      \"string\"\n    ],\n    \"excludeSourceSystems\": [\n      \"string\"\n    ]\n  },\n  \"payloadMode\": \"full\"\n}", null, "application/json");
request.Content = content;
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### C# HttpClient Request

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-webhook-subscription-by-id-never-includes-the-signing-secret

Example implementation using C# HttpClient to fetch the subscription.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/api/v1/subscriptions/:id");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Example Webhook Delivery Headers

Source: https://rosetta-sync-api-docs.up.railway.app/webhooks

Headers received in a sample signed webhook delivery.

```text
content-type: application/json  

x-rosetta-signature: t=1752469976082,v1=6f2a9c1e4b7d0f3a8c5e2b9d6f1a4c7e0b3d6f9a2c5e8b1d4f7a0c3e6b9d2f5a  

x-rosetta-subscription-id: 8d9e4a9a-9c2b-4a9e-8c9d-4f6b0a2e6f11  

x-rosetta-delivery-id: 1b2c3d4e-5f60-4718-9a2b-3c4d5e6f7a8b  
```

--------------------------------

### Canonical Record JSON Response Example

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-canonical-record-by-resource-type-and-canonical-id

An example of the JSON structure returned by the API for a successful request.

```json
{

  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",

  "resourceType": "patient",

  "version": 0,

  "payload": {

    "identifiers": [

      {

        "system": "string",

        "value": "string"

      }

    ],

    "familyName": "string",

    "givenNames": [

      "string"

    ],

    "birthDate": "2024-07-29",

    "gender": "male",

    "deceased": true

  },

  "updatedAt": "string",

  "identifiers": [

    {

      "system": "string",

      "value": "string"

    }

  ]

}
```

--------------------------------

### Change feed response data example

Source: https://rosetta-sync-api-docs.up.railway.app/api/fat-cursor-addressable-change-feed

A concrete example of a patient resource creation event in the change feed.

```json
{

  "events": [

    {

      "sequence": 1,

      "resourceType": "patient",

      "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",

      "operation": "create",

      "version": 1,

      "occurredAt": "2026-07-14T04:32:56.082Z",

      "record": {

        "identifiers": [

          {

            "system": "urn:michels:pid",

            "value": "1234567"

          }

        ],

        "familyName": "Mueller",

        "givenNames": [

          "Anna"

        ],

        "birthDate": "1980-05-01",

        "gender": "female"

      }

    }

  ],

  "nextSince": 1

}
```

--------------------------------

### Procedure Example Payload

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/procedure

A standard JSON representation of a procedure resource.

```json
{

  "identifiers": [{ "system": "urn:michels:procedure", "value": "PROC-6001" }],

  "patientRef": {

    "sourceSystem": "michels",

    "resourceType": "patient",

    "sourceId": "pat-1"

  },

  "encounterRef": {

    "sourceSystem": "michels",

    "resourceType": "encounter",

    "sourceId": "enc-1"

  },

  "code": {

    "system": "http://fhir.de/CodeSystem/bfarm/icd-10-gm",

    "code": "1-208",

    "display": "Blood pressure measurement"

  },

  "status": "completed",

  "performedAt": "2026-07-05T08:00:00.000Z"

}
```

--------------------------------

### C# HttpClient Request

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-canonical-record-by-resource-type-and-canonical-id

Example implementation using C# HttpClient to fetch a record.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/api/v1/records/:resourceType/:canonicalId");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Liveness Check with HttpClient

Source: https://rosetta-sync-api-docs.up.railway.app/api/liveness-check-unauthenticated

Example implementation of the liveness check using C# HttpClient.

```csharp
var client = new HttpClient();  
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/health");  
request.Headers.Add("Accept", "application/json");  
var response = await client.SendAsync(request);  
response.EnsureSuccessStatusCode();  
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Webhook Subscription Response Schema

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-webhook-subscription-by-id-never-includes-the-signing-secret

Example JSON structure returned by the API.

```json
{

  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",

  "name": "string",

  "endpointUrl": "string",

  "filter": {

    "resourceTypes": [

      "patient"

    ],

    "operations": [

      "create"

    ],

    "sourceSystems": [

      "string"

    ],

    "orgSlugs": [

      "string"

    ],

    "excludeSourceSystems": [

      "string"

    ]

  },

  "payloadMode": "full",

  "status": "active",

  "lastDeliveredSequence": 0,

  "createdAt": "2024-07-29T15:51:28.071Z",

  "updatedAt": "2024-07-29T15:51:28.071Z"

}
```

--------------------------------

### C# HttpClient Request

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-a-webhook-subscriptions-delivery-attempt-log-newest-first

Example implementation using C# HttpClient to fetch delivery logs.

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://sync.example.com/api/v1/subscriptions/:id/deliveries");
request.Headers.Add("Accept", "application/json");
request.Headers.Add("Authorization", "Bearer <token>");
var response = await client.SendAsync(request);
response.EnsureSuccessStatusCode();
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Webhook Subscriptions Response Example

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-webhook-subscriptions-never-includes-the-signing-secret

A sample JSON response body containing an array of subscription objects.

```json
{
  "subscriptions": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "name": "string",
      "endpointUrl": "string",
      "filter": {
        "resourceTypes": [
          "patient"
        ],
        "operations": [
          "create"
        ],
        "sourceSystems": [
          "string"
        ],
        "orgSlugs": [
          "string"
        ],
        "excludeSourceSystems": [
          "string"
        ]
      },
      "payloadMode": "full",
      "status": "active",
      "lastDeliveredSequence": 0,
      "createdAt": "2024-07-29T15:51:28.071Z",
      "updatedAt": "2024-07-29T15:51:28.071Z"
    }
  ]
}
```

--------------------------------

### GET /api/v1/subscriptions

Source: https://rosetta-sync-api-docs.up.railway.app/webhooks

Lists all existing webhook subscriptions.

```APIDOC
## GET /api/v1/subscriptions

### Description
Retrieves a list of all webhook subscriptions.

### Method
GET

### Endpoint
/api/v1/subscriptions
```

--------------------------------

### Discharge Change-Feed Event

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/discharge

Example of a discharge resource wrapped in a change-feed event structure.

```json
{

  "sequence": 202,

  "resourceType": "discharge",

  "canonicalId": "3c6d9e1a-5d8f-4b2c-9e3d-6d9c2f5a8b1a",

  "operation": "create",

  "version": 1,

  "occurredAt": "2026-07-14T09:15:05.000Z",

  "orgSlug": "default",

  "record": {

    "identifiers": [{ "system": "urn:rosetta-app:discharge", "value": "dis-7001" }],

    "patientRef": {

      "sourceSystem": "rosetta-app",

      "resourceType": "patient",

      "sourceId": "pat-1"

    },

    "discipline": "occupational-therapy",

    "capturedAt": "2026-07-14T09:00:00.000Z",

    "completedAt": "2026-07-14T09:15:00.000Z",

    "formData": {

      "outcome": "goals-met"

    }

  }

}
```

--------------------------------

### GET https://sync.example.com/health

Source: https://rosetta-sync-api-docs.up.railway.app/api/liveness-check-unauthenticated

Performs an unauthenticated liveness check to verify that the service is operational.

```APIDOC
## GET https://sync.example.com/health

### Description
Performs an unauthenticated liveness check to verify that the service is operational.

### Method
GET

### Endpoint
https://sync.example.com/health

### Response
#### Success Response (200)
- **status** (string) - The status of the service, which is always 'ok'.

#### Response Example
{
  "status": "ok"
}
```

--------------------------------

### Condition Example Payload

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/condition

A standard JSON representation of a condition record.

```json
{

  "identifiers": [{ "system": "urn:michels:condition", "value": "COND-3001" }],

  "patientRef": {

    "sourceSystem": "michels",

    "resourceType": "patient",

    "sourceId": "pat-1"

  },

  "encounterRef": {

    "sourceSystem": "michels",

    "resourceType": "encounter",

    "sourceId": "enc-1"

  },

  "code": {

    "system": "http://hl7.org/fhir/sid/icd-10",

    "code": "I63.9",

    "display": "Cerebral infarction, unspecified"

  },

  "clinicalStatus": "active",

  "recordedAt": "2026-07-10T09:15:00.000Z"

}
```

--------------------------------

### Discharge Resource Payload Example

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/discharge

A standard JSON representation of a discharge report snapshot.

```json
{

  "identifiers": [{ "system": "urn:rosetta-app:discharge", "value": "dis-7001" }],

  "patientRef": {

    "sourceSystem": "rosetta-app",

    "resourceType": "patient",

    "sourceId": "pat-1"

  },

  "discipline": "occupational-therapy",

  "capturedAt": "2026-07-14T09:00:00.000Z",

  "completedAt": "2026-07-14T09:15:00.000Z",

  "formData": {

    "outcome": "goals-met"

  }

}
```

--------------------------------

### GET https://sync.example.com/api/v1/changes

Source: https://rosetta-sync-api-docs.up.railway.app/api/fat-cursor-addressable-change-feed

Retrieves a list of changes from the system. This endpoint supports cursor-based pagination using the sequence field.

```APIDOC
## GET https://sync.example.com/api/v1/changes

### Description
Retrieves a list of changes from the system. This endpoint supports cursor-based pagination using the sequence field.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/changes

### Response
#### Success Response (200)
- **events** (array) - A list of change events.
- **nextSince** (integer) - The cursor value to use for the next request.

#### Response Example
{
  "events": [
    {
      "sequence": 1,
      "resourceType": "patient",
      "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",
      "operation": "create",
      "version": 1,
      "occurredAt": "2026-07-14T04:32:56.082Z",
      "record": {
        "identifiers": [
          {
            "system": "urn:michels:pid",
            "value": "1234567"
          }
        ],
        "familyName": "Mueller",
        "givenNames": [
          "Anna"
        ],
        "birthDate": "1980-05-01",
        "gender": "female"
      }
    }
  ],
  "nextSince": 1
}
```

--------------------------------

### Records API Condition Retrieval

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/condition

Example of fetching a specific condition record using the Records API.

```bash
curl -H "Authorization: Bearer $ROSETTA_SYNC_TOKEN" \

  "https://sync.example.com/api/v1/records/condition/4a7c1e9b-2d5f-4b8a-9e1c-6f3a8d2b5c7e"
```

```json
{

  "id": "4a7c1e9b-2d5f-4b8a-9e1c-6f3a8d2b5c7e",

  "resourceType": "condition",

  "version": 1,

  "payload": {

    "identifiers": [{ "system": "urn:michels:condition", "value": "COND-3001" }],

    "patientRef": {

      "sourceSystem": "michels",

      "resourceType": "patient",

      "sourceId": "pat-1"

    },

    "encounterRef": {

      "sourceSystem": "michels",

      "resourceType": "encounter",

      "sourceId": "enc-1"

    },

    "code": {

      "system": "http://hl7.org/fhir/sid/icd-10",

      "code": "I63.9",

      "display": "Cerebral infarction, unspecified"

    },

    "clinicalStatus": "active",

    "recordedAt": "2026-07-10T09:15:00.000Z"

  },

  "updatedAt": "2026-07-10T09:15:05.000Z",

  "orgSlug": "default",

  "identifiers": [{ "system": "urn:michels:condition", "value": "COND-3001" }]

}
```

--------------------------------

### GET https://sync.example.com/api/v1/subscriptions

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-webhook-subscriptions-never-includes-the-signing-secret

Retrieves a list of all webhook subscriptions. The response includes details such as subscription ID, name, endpoint URL, filter criteria, payload mode, status, and timestamps.

```APIDOC
## GET https://sync.example.com/api/v1/subscriptions

### Description
Lists all webhook subscriptions. This operation does not include the signing secret in the response.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/subscriptions

### Response
#### Success Response (200)
- **subscriptions** (array) - A list of subscription objects.
  - **id** (string) - The UUID of the subscription.
  - **name** (string) - The name of the subscription.
  - **endpointUrl** (string) - The destination URL for the webhook.
  - **filter** (object) - The filter criteria for the subscription.
  - **payloadMode** (string) - The mode of the payload (full or id-only).
  - **status** (string) - The current status (active, paused, or suspended).
  - **lastDeliveredSequence** (integer) - The sequence number of the last delivered event.
  - **createdAt** (string) - ISO-8601 timestamp of creation.
  - **updatedAt** (string) - ISO-8601 timestamp of last update.

#### Response Example
{
  "subscriptions": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "name": "string",
      "endpointUrl": "string",
      "filter": {
        "resourceTypes": ["patient"],
        "operations": ["create"],
        "sourceSystems": ["string"],
        "orgSlugs": ["string"],
        "excludeSourceSystems": ["string"]
      },
      "payloadMode": "full",
      "status": "active",
      "lastDeliveredSequence": 0,
      "createdAt": "2024-07-29T15:51:28.071Z",
      "updatedAt": "2024-07-29T15:51:28.071Z"
    }
  ]
}
```

--------------------------------

### GET /health

Source: https://rosetta-sync-api-docs.up.railway.app/api/health

Performs an unauthenticated liveness check to verify if the service is running.

```APIDOC
## GET /health

### Description
Liveness check; unauthenticated.

### Method
GET

### Endpoint
/health
```

--------------------------------

### Rosetta-app-origin therapy case payloads

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/encounter

Examples of a physiotherapy case in rosetta-app, showing both the initial admission state and the final discharged state.

```json
{

  "identifiers": [

    { "system": "urn:rosetta-app:therapy-case", "value": "pat-42:physiotherapy" }

  ],

  "patientRef": {

    "sourceSystem": "rosetta-app",

    "resourceType": "patient",

    "sourceId": "pat-42"

  },

  "status": "in-progress",

  "periodStart": "2026-07-01T00:00:00.000Z"

}
```

```json
{

  "identifiers": [

    { "system": "urn:rosetta-app:therapy-case", "value": "pat-42:physiotherapy" }

  ],

  "patientRef": {

    "sourceSystem": "rosetta-app",

    "resourceType": "patient",

    "sourceId": "pat-42"

  },

  "status": "finished",

  "periodStart": "2026-07-01T00:00:00.000Z",

  "periodEnd": "2026-07-10T00:00:00.000Z"

}
```

--------------------------------

### GET https://sync.example.com/api/v1/subscriptions/:id/deliveries

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-a-webhook-subscriptions-delivery-attempt-log-newest-first

Retrieves the delivery attempt log for a webhook subscription, newest first.

```APIDOC
## GET https://sync.example.com/api/v1/subscriptions/:id/deliveries

### Description
Lists a webhook subscription's delivery attempt log, newest first.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/subscriptions/:id/deliveries

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the webhook subscription.

### Response
#### Success Response (200)
- **deliveries** (array) - A list of delivery attempt objects.
  - **id** (string) - Unique identifier of the delivery attempt.
  - **subscriptionId** (string) - The ID of the subscription.
  - **sequenceFrom** (integer) - Start of the sequence range.
  - **sequenceTo** (integer) - End of the sequence range.
  - **attempt** (integer) - The attempt number.
  - **status** (string) - The status of the delivery (e.g., 'delivered', 'failed').
  - **httpStatus** (integer|null) - The HTTP status code returned by the endpoint.
  - **error** (string|null) - Error message if the delivery failed.
  - **attemptedAt** (string) - Timestamp of the delivery attempt.

#### Response Example
{
  "deliveries": [
    {
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "subscriptionId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "sequenceFrom": 0,
      "sequenceTo": 0,
      "attempt": 0,
      "status": "delivered",
      "httpStatus": 0,
      "error": "string",
      "attemptedAt": "string"
    }
  ]
}
```

--------------------------------

### GET https://sync.example.com/api/v1/subscriptions/:id

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-webhook-subscription-by-id-never-includes-the-signing-secret

Fetches one webhook subscription by id (never includes the signing secret).

```APIDOC
## GET https://sync.example.com/api/v1/subscriptions/:id

### Description
Fetches one webhook subscription by id (never includes the signing secret).

### Method
GET

### Endpoint
https://sync.example.com/api/v1/subscriptions/:id

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the subscription.

### Response
#### Success Response (200)
- **id** (string) - The unique identifier of the subscription.
- **name** (string) - The name of the subscription.
- **endpointUrl** (string) - The destination URL for the webhook.
- **filter** (object) - A webhook subscription filter.
- **payloadMode** (string) - The payload mode (full or id-only).
- **status** (string) - The status of the subscription (active, paused, or suspended).
- **lastDeliveredSequence** (integer) - The last delivered sequence number.
- **createdAt** (string) - The creation timestamp.
- **updatedAt** (string) - The last update timestamp.

#### Response Example
{
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "name": "string",
  "endpointUrl": "string",
  "filter": {
    "resourceTypes": ["patient"],
    "operations": ["create"],
    "sourceSystems": ["string"],
    "orgSlugs": ["string"],
    "excludeSourceSystems": ["string"]
  },
  "payloadMode": "full",
  "status": "active",
  "lastDeliveredSequence": 0,
  "createdAt": "2024-07-29T15:51:28.071Z",
  "updatedAt": "2024-07-29T15:51:28.071Z"
}
```

--------------------------------

### Retrieve Webhook Subscriptions Endpoint

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-webhook-subscriptions-never-includes-the-signing-secret

The GET request path for fetching all webhook subscriptions.

```http
GET 
## https://sync.example.com/api/v1/subscriptions
```

--------------------------------

### Example Webhook Delivery Body

Source: https://rosetta-sync-api-docs.up.railway.app/webhooks

The JSON payload body for a signed webhook delivery with full payload mode.

```json
{
  "deliveryId": "1b2c3d4e-5f60-4718-9a2b-3c4d5e6f7a8b",
  "subscriptionId": "8d9e4a9a-9c2b-4a9e-8c9d-4f6b0a2e6f11",
  "attempt": 1,
  "events": [
    {
      "sequence": 1,
      "resourceType": "patient",
      "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",
      "operation": "create",
      "version": 1,
      "occurredAt": "2026-07-14T04:32:56.082Z",
      "orgSlug": "default",
      "record": {
        "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }],
        "familyName": "Mueller",
        "givenNames": ["Anna"],
        "birthDate": "1980-05-01",
        "gender": "female"
      }
    }
  ]
}
```

--------------------------------

### GET /api/v1/records/care-plan/{id}

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/care-plan

Retrieves a specific care plan record by its canonical ID.

```APIDOC
## GET /api/v1/records/care-plan/{id}

### Description
Retrieves the details of a specific care plan record using its unique canonical ID.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/records/care-plan/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The canonical ID of the care plan record.

### Response
#### Success Response (200)
- **id** (string) - The unique identifier of the record.
- **resourceType** (string) - The type of resource, which is 'care-plan'.
- **version** (integer) - The version of the record.
- **payload** (object) - The care plan data including identifiers, patient reference, discipline, status, and activities.
- **updatedAt** (string) - The timestamp when the record was last updated.
- **orgSlug** (string) - The organization slug.
- **identifiers** (array) - List of identifiers associated with the record.

### Response Example
{
  "id": "3d6c9e1a-5f8b-4d2a-9c6e-1b4f7a0d3c8e",
  "resourceType": "care-plan",
  "version": 1,
  "payload": {
    "identifiers": [{ "system": "urn:michels:care-plan", "value": "CP-8001" }],
    "patientRef": {
      "sourceSystem": "michels",
      "resourceType": "patient",
      "sourceId": "pat-1"
    },
    "discipline": "physiotherapy",
    "status": "active",
    "activities": [
      { "description": "Daily grip-strength exercises", "kind": "care-plan-item", "location": "Ward 3B" },
      { "description": "Barthel Index re-assessment", "kind": "planned-assessment", "scheduledStart": "2026-07-21" },
      { "description": "Physiotherapy session", "kind": "schedule-entry", "scheduledStart": "2026-07-15 09:00", "scheduledEnd": "2026-07-15 09:30", "location": "Therapy room 2" }
    ]
  },
  "updatedAt": "2026-07-14T11:00:00.000Z",
  "orgSlug": "default",
  "identifiers": [{ "system": "urn:michels:care-plan", "value": "CP-8001" }]
}
```

--------------------------------

### Delete Webhook Subscription with HttpClient

Source: https://rosetta-sync-api-docs.up.railway.app/api/deletes-a-webhook-subscription-and-cascades-its-delivery-log

Example implementation using C# HttpClient to perform the DELETE request.

```csharp
var client = new HttpClient();  
var request = new HttpRequestMessage(HttpMethod.Delete, "https://sync.example.com/api/v1/subscriptions/:id");  
request.Headers.Add("Authorization", "Bearer <token>");  
var response = await client.SendAsync(request);  
response.EnsureSuccessStatusCode();  
Console.WriteLine(await response.Content.ReadAsStringAsync());
```

--------------------------------

### Delivery Attempt Response Schema

Source: https://rosetta-sync-api-docs.up.railway.app/api/lists-a-webhook-subscriptions-delivery-attempt-log-newest-first

Example JSON response structure for a successful delivery attempt log retrieval.

```json
{

  "deliveries": [

    {

      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",

      "subscriptionId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",

      "sequenceFrom": 0,

      "sequenceTo": 0,

      "attempt": 0,

      "status": "delivered",

      "httpStatus": 0,

      "error": "string",

      "attemptedAt": "string"

    }

  ]

}
```

--------------------------------

### Patient Payload Envelopes

Source: https://rosetta-sync-api-docs.up.railway.app/data-types

Examples of a patient resource payload delivered through different API mechanisms.

```json
{

  "id": "f3024f2e-0583-4759-a9b8-c534e6763391",

  "resourceType": "patient",

  "version": 1,

  "payload": {

    "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }],

    "familyName": "Mueller",

    "givenNames": ["Anna"],

    "birthDate": "1980-05-01",

    "gender": "female"

  },

  "updatedAt": "2026-07-14T04:32:56.082Z",

  "orgSlug": "default",

  "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }]

}
```

```json
{

  "sequence": 1,

  "resourceType": "patient",

  "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",

  "operation": "create",

  "version": 1,

  "occurredAt": "2026-07-14T04:32:56.082Z",

  "orgSlug": "default",

  "record": {

    "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }],

    "familyName": "Mueller",

    "givenNames": ["Anna"],

    "birthDate": "1980-05-01",

    "gender": "female"

  }

}
```

```json
{

  "deliveryId": "1b2c3d4e-5f60-4718-9a2b-3c4d5e6f7a8b",

  "subscriptionId": "8d9e4a9a-9c2b-4a9e-8c9d-4f6b0a2e6f11",

  "attempt": 1,

  "events": [

    {

      "sequence": 1,

      "resourceType": "patient",

      "canonicalId": "f3024f2e-0583-4759-a9b8-c534e6763391",

      "operation": "create",

      "version": 1,

      "occurredAt": "2026-07-14T04:32:56.082Z",

      "orgSlug": "default",

      "record": {

        "identifiers": [{ "system": "urn:michels:pid", "value": "1234567" }],

        "familyName": "Mueller",

        "givenNames": ["Anna"],

        "birthDate": "1980-05-01",

        "gender": "female"

      }

    }

  ]

}
```

--------------------------------

### GET https://sync.example.com/api/v1/records/:resourceType/:canonicalId

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-canonical-record-by-resource-type-and-canonical-id

Fetches one canonical record by resource type and canonical id.

```APIDOC
## GET https://sync.example.com/api/v1/records/:resourceType/:canonicalId

### Description
Fetches one canonical record by resource type and canonical id.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/records/:resourceType/:canonicalId

### Parameters
#### Path Parameters
- **resourceType** (string) - Required - The type of the resource (e.g., patient, encounter, condition, coverage, procedure, observation, assessment, care-plan).
- **canonicalId** (string) - Required - The unique canonical identifier of the record.

### Response
#### Success Response (200)
- **id** (string) - The unique UUID of the record.
- **resourceType** (string) - The type of the resource.
- **version** (integer) - The version number of the record.
- **payload** (object) - The core demographic or resource-specific data.
- **identifiers** (object[]) - Array of system and value identifiers.
- **updatedAt** (string) - The timestamp of the last update.

#### Response Example
{
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "resourceType": "patient",
  "version": 0,
  "payload": {
    "identifiers": [
      {
        "system": "string",
        "value": "string"
      }
    ],
    "familyName": "string",
    "givenNames": ["string"],
    "birthDate": "2024-07-29",
    "gender": "male",
    "deceased": true
  },
  "updatedAt": "string",
  "identifiers": [
    {
      "system": "string",
      "value": "string"
    }
  ]
}
```

--------------------------------

### GET Request Endpoint

Source: https://rosetta-sync-api-docs.up.railway.app/api/fetches-one-canonical-record-by-resource-type-and-canonical-id

The base URL and path structure for the canonical record retrieval endpoint.

```http
GET 
## https://sync.example.com/api/v1/records/:resourceType/:canonicalId
```

--------------------------------

### Care Plan JSON Payload

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/care-plan

Example of a complete care-plan object including identifiers, patient reference, and a list of activities.

```json
{

  "identifiers": [{ "system": "urn:michels:care-plan", "value": "CP-8001" }],

  "patientRef": {

    "sourceSystem": "michels",

    "resourceType": "patient",

    "sourceId": "pat-1"

  },

  "discipline": "physiotherapy",

  "status": "active",

  "activities": [

    {

      "description": "Daily grip-strength exercises",

      "kind": "care-plan-item",

      "location": "Ward 3B"

    },

    {

      "description": "Barthel Index re-assessment",

      "kind": "planned-assessment",

      "scheduledStart": "2026-07-21"

    },

    {

      "description": "Physiotherapy session",

      "kind": "schedule-entry",

      "scheduledStart": "2026-07-15 09:00",

      "scheduledEnd": "2026-07-15 09:30",

      "location": "Therapy room 2"

    }

  ]

}
```

--------------------------------

### GET /api/v1/subscriptions/:id

Source: https://rosetta-sync-api-docs.up.railway.app/webhooks

Fetches details for a specific webhook subscription.

```APIDOC
## GET /api/v1/subscriptions/:id

### Description
Retrieves details for a specific subscription by ID.

### Method
GET

### Endpoint
/api/v1/subscriptions/:id

### Parameters
#### Path Parameters
- **id** (string) - Required - The subscription ID
```

--------------------------------

### Environment Variable Provisioning

Source: https://rosetta-sync-api-docs.up.railway.app/authentication

Store the provided token as an environment variable to avoid hardcoding it.

```bash
export ROSETTA_SYNC_TOKEN="<token from your operator>"
```

--------------------------------

### POST https://sync.example.com/api/v1/subscriptions

Source: https://rosetta-sync-api-docs.up.railway.app/api/registers-a-webhook-subscription-the-201-body-is-the-only-place-the-signing-secret-is-ever-returned

Registers a new webhook subscription. The signing secret is returned only in the 201 response body.

```APIDOC
## POST https://sync.example.com/api/v1/subscriptions

### Description
Registers a webhook subscription. The 201 body is the only place the signing secret is ever returned.

### Method
POST

### Endpoint
https://sync.example.com/api/v1/subscriptions

### Request Body
- **name** (string) - Required - A non-empty name for the subscription.
- **endpointUrl** (string) - Required - The URI for the webhook endpoint.
- **filter** (object) - Optional - A webhook subscription filter.
  - **resourceTypes** (string[]) - Optional - Allowed values: patient, encounter, condition, coverage, procedure, observation, assessment, care-plan.
  - **operations** (string[]) - Optional - Allowed values: create, update.
  - **sourceSystems** (string[]) - Optional - A non-empty list of source systems.
  - **orgSlugs** (string[]) - Optional - A non-empty list of org slugs (max 64 chars, regex: ^[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$).
  - **excludeSourceSystems** (string[]) - Optional - A non-empty list of source systems to exclude.
- **payloadMode** (string) - Optional - Default: "full". Allowed values: full, id-only.

### Request Example
{
  "name": "string",
  "endpointUrl": "string",
  "filter": {
    "resourceTypes": ["patient"],
    "operations": ["create"],
    "sourceSystems": ["string"],
    "orgSlugs": ["string"],
    "excludeSourceSystems": ["string"]
  },
  "payloadMode": "full"
}
```

--------------------------------

### Provider-origin encounter payload

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/encounter

Example of an outpatient visit reported by a FHIR provider.

```json
{

  "identifiers": [{ "system": "urn:michels:encounter", "value": "ENC-2001" }],

  "patientRef": {

    "sourceSystem": "michels",

    "resourceType": "patient",

    "sourceId": "pat-1"

  },

  "status": "finished",

  "classCode": "IMP",

  "periodStart": "2026-07-10T08:30:00.000Z",

  "periodEnd": "2026-07-12T11:00:00.000Z"

}
```

--------------------------------

### GET /api/v1/records/encounter/{id}

Source: https://rosetta-sync-api-docs.up.railway.app/data-types/encounter

Retrieves a specific encounter record by its canonical ID.

```APIDOC
## GET /api/v1/records/encounter/{id}

### Description
Retrieves the details of a specific encounter record using its unique canonical ID.

### Method
GET

### Endpoint
https://sync.example.com/api/v1/records/encounter/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The canonical ID of the encounter record.

### Response
#### Success Response (200)
- **id** (string) - The canonical ID of the record.
- **resourceType** (string) - The type of resource, which is 'encounter'.
- **version** (integer) - The version number of the record.
- **payload** (object) - The encounter data including identifiers, patient reference, status, and period.
- **updatedAt** (string) - The timestamp when the record was last updated.
- **orgSlug** (string) - The organization slug.
- **identifiers** (array) - List of identifiers associated with the encounter.

#### Response Example
{
  "id": "6a1e4c8d-2b5f-4a9c-8d1e-4c8b2f5a9d1e",
  "resourceType": "encounter",
  "version": 2,
  "payload": {
    "identifiers": [
      { "system": "urn:rosetta-app:therapy-case", "value": "pat-42:physiotherapy" }
    ],
    "patientRef": {
      "sourceSystem": "rosetta-app",
      "resourceType": "patient",
      "sourceId": "pat-42"
    },
    "status": "finished",
    "periodStart": "2026-07-01T00:00:00.000Z",
    "periodEnd": "2026-07-10T00:00:00.000Z"
  },
  "updatedAt": "2026-07-10T00:00:05.000Z",
  "orgSlug": "default",
  "identifiers": [
    { "system": "urn:rosetta-app:therapy-case", "value": "pat-42:physiotherapy" }
  ]
}
```