> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.agenttrunk.ai/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.agenttrunk.ai/_mcp/server.

# History

GET https://api.agenttrunk.ai/v1/trunks/{trunkId}/contexts/{contextKey}/history

Follows immutable parent revisions, authorizing every revision. Historic IDs require staging read or shared-context-item read access.

Reference: https://docs.agenttrunk.ai/api-reference/contexts/history

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `trunkId` (string, required)
- `contextKey` (string, required)

### Query parameters

- `from` (string, optional, default: latest)
- `limit` (integer, optional, default: 50)

## Response

### 200

A data array of revisions and a nullable next revision ID. Pass next as from for the next page.

- `data` (list of Revision, required)
- `next` (string, optional, nullable)

## Errors

### 404 Not Found Error

Resource is unavailable to this principal.

- `error` (ErrorError, required)

## Types

### Revision

- `id` (string, required)
- `contextId` (string, required)
- `packageDigest` (string, required)
- `files` (list of FileRecord, required)
- `createdAt` (datetime, required)
- `parentRevisionId` (string, optional, nullable)

### ErrorError

- `code` (string, required)
- `message` (string, required)
- `requestId` (string, required)

### FileRecord

- `path` (string, required)
- `size` (integer, required)
- `sha256` (string, required)

## Examples

**Response**

```json
{
  "data": [
    {
      "id": "string",
      "contextId": "string",
      "packageDigest": "string",
      "files": [
        {
          "path": "string",
          "size": 1,
          "sha256": "string"
        }
      ],
      "createdAt": "2024-01-15T09:30:00Z",
      "parentRevisionId": "string"
    }
  ],
  "next": "string"
}
```

**SDK Code**

```python
import requests

url = "https://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history"

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

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

print(response.json())
```

```javascript
const url = 'https://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history';
const options = {method: 'GET', headers: {Authorization: 'Bearer <accessToken>'}};

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://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history"

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

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

	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://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history")

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

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

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://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history")
  .header("Authorization", "Bearer <accessToken>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history', [
  'headers' => [
    'Authorization' => 'Bearer <accessToken>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <accessToken>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.agenttrunk.ai/v1/trunks/trunkId/contexts/contextKey/history")! 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()
```