> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://www.comet.com/docs/opik/reference/rest-api/traces/update-thread/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://www.comet.com/_mcp/server. # Update thread PATCH http://localhost:5173/api/v1/private/traces/threads/{threadModelId} Content-Type: application/json Update thread Reference: https://www.comet.com/docs/opik/reference/rest-api/traces/update-thread ## Servers - `http://localhost:5173/api` (Local server, default) - `https://www.comet.com/opik/api` (Opik Cloud) ## Request ### Path parameters - `threadModelId` (string, required) ### Body (application/json) This endpoint expects a TraceThreadUpdate. - `tags` (list of string, optional) - `tags_to_add` (list of string, optional) - `tags_to_remove` (list of string, optional) ## Response ### 204 No Content ## Errors ### 404 Not Found Error Not found - `any` ## Examples **Request** ```json {} ``` **SDK Code** ```python import requests url = "http://localhost:5173/api/v1/private/traces/threads/threadModelId" payload = {} headers = {"Content-Type": "application/json"} response = requests.patch(url, json=payload, headers=headers) print(response.json()) ``` ```javascript const url = 'http://localhost:5173/api/v1/private/traces/threads/threadModelId'; const options = {method: 'PATCH', headers: {'Content-Type': 'application/json'}, body: '{}'}; 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" "strings" "net/http" "io" ) func main() { url := "http://localhost:5173/api/v1/private/traces/threads/threadModelId" payload := strings.NewReader("{}") req, _ := http.NewRequest("PATCH", url, payload) req.Header.Add("Content-Type", "application/json") 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("http://localhost:5173/api/v1/private/traces/threads/threadModelId") http = Net::HTTP.new(url.host, url.port) request = Net::HTTP::Patch.new(url) request["Content-Type"] = 'application/json' request.body = "{}" response = http.request(request) puts response.read_body ``` ```java import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.patch("http://localhost:5173/api/v1/private/traces/threads/threadModelId") .header("Content-Type", "application/json") .body("{}") .asString(); ``` ```php request('PATCH', 'http://localhost:5173/api/v1/private/traces/threads/threadModelId', [ 'body' => '{}', 'headers' => [ 'Content-Type' => 'application/json', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("http://localhost:5173/api/v1/private/traces/threads/threadModelId"); var request = new RestRequest(Method.PATCH); request.AddHeader("Content-Type", "application/json"); request.AddParameter("application/json", "{}", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = ["Content-Type": "application/json"] let parameters = [] as [String : Any] let postData = JSONSerialization.data(withJSONObject: parameters, options: []) let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:5173/api/v1/private/traces/threads/threadModelId")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "PATCH" request.allHTTPHeaderFields = headers request.httpBody = postData as Data 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() ``` > Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.