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# Get Harbor Context Version

GET https://app.polytomic.com/api/harbors/{harbor_id}/contexts/{context_id}/versions/{version_id}

Returns one immutable published version of a Harbor context document.

The response includes the complete title, description, and plain-text
`content` captured when the version was published.

Published versions cannot be changed or deleted. System publications have
`published_by_type: "system"` and a null `published_by`.

Reference: https://apidocs.polytomic.com/api-reference/harbors/get-context-version

## Authentication

- `Authorization` header (bearer token, required) — Bearer user API key
- `Authorization` header (basic auth, required) — Basic organization-scoped API key

## Request

### Path parameters

- `harbor_id` (string, required) — Unique identifier of the Harbor.
- `context_id` (string, required) — Unique identifier of the context document.
- `version_id` (string, required) — Unique identifier of the published context version.

### Headers

- `X-Polytomic-Harbor-Session` (string, optional)
- `X-Polytomic-Activity-Request-ID` (string, optional)

## Response

### 200

OK

- `data` (HarborContextVersionResponse, optional)

## Errors

### 403 Forbidden Error

Forbidden

- `key` (string, optional)
- `message` (string, optional)
- `metadata` (map from string to any, optional)
- `status` (integer, optional)

### 404 Not Found Error

Not Found

- `key` (string, optional)
- `message` (string, optional)
- `metadata` (map from string to any, optional)
- `status` (integer, optional)

### 500 Internal Server Error

Internal Server Error

- `key` (string, optional)
- `message` (string, optional)
- `metadata` (map from string to any, optional)
- `status` (integer, optional)

## Types

### HarborContextVersionResponse

- `change_note` (string, optional, nullable) — Optional note supplied when this version was published.
- `content` (string, optional) — Complete plain-text content captured in this version.
- `description` (string, optional) — Description captured in this version.
- `id` (string, optional) — Unique identifier of this published version.
- `published_at` (datetime, optional) — When this version was published.
- `published_by` (string, optional, nullable) — Actor that published this version. Null for system publications.
- `published_by_type` (string, optional) — Type of actor that published this version.
- `title` (string, optional) — Title captured in this version.
- `version` (integer, optional) — Monotonic version number within the context document.

## Examples

**Response**

```json
{
  "data": {
    "change_note": "string",
    "content": "string",
    "description": "string",
    "id": "248df4b7-aa70-47b8-a036-33ac447e668d",
    "published_at": "2024-01-15T09:30:00Z",
    "published_by": "248df4b7-aa70-47b8-a036-33ac447e668d",
    "published_by_type": "string",
    "title": "string",
    "version": 1
  }
}
```

**SDK Code**

```python
import requests

url = "https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d")
  .header("Authorization", "Bearer <token>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://app.polytomic.com/api/harbors/248df4b7-aa70-47b8-a036-33ac447e668d/contexts/248df4b7-aa70-47b8-a036-33ac447e668d/versions/248df4b7-aa70-47b8-a036-33ac447e668d")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```