Python SDK

from langgraph_sdk import get_client

client = get_client(url="", api_key="")

thread = await client.threads.create()
thread_id = thread["thread_id"]

feedback_urls = {}

async for event in client.runs.stream(
    thread_id,
    "agent",
    input={
        "messages": [
            {"role": "user", "content": "Tell me a joke about databases."}
        ]
    },
    stream_mode="updates",
    feedback_keys=["user_liked", "user_disliked"],
):
    if event.event == "feedback":
        # Example: {"user_liked": ".../feedback/tokens/<id>", "user_disliked": "..."}
        feedback_urls = event.data
        print("Feedback URLs:", feedback_urls)
    elif event.event == "updates":
        print(event.data)

JavaScript SDK

const client = new Client({ apiUrl: "", apiKey: "" });

const thread = await client.threads.create();
const threadId = thread.thread_id;

let feedbackUrls = {};

const streamResponse = client.runs.stream(threadId, "agent", {
  input: {
    messages: [{ role: "user", content: "Tell me a joke about databases." }],
  },
  streamMode: "updates",
  feedbackKeys: ["user_liked", "user_disliked"],
});

for await (const event of streamResponse) {
  if (event.event === "feedback") {
    // Example: { user_liked: ".../feedback/tokens/<id>", user_disliked: "..." }
    feedbackUrls = event.data;
    console.log("Feedback URLs:", feedbackUrls);
  } else if (event.event === "updates") {
    console.log(event.data);
  }
}

cURL

curl --request POST \
  --url "/threads//runs/stream" \
  --header "Content-Type: application/json" \
  --header "x-api-key: " \
  --data '{
    "assistant_id": "agent",
    "input": {
      "messages": [
        {
          "role": "user",
          "content": "Tell me a joke about databases."
        }
      ]
    },
    "stream_mode": "updates",
    "feedback_keys": ["user_liked", "user_disliked"]
  }'

POST

curl --request POST \
  --url "https://api.smith.langchain.com/api/v1/feedback/tokens/e952734e-c0a0-417b-a04d-fc2209691ed5" \
  --header "Content-Type: application/json" \
  --data '{
    "score": 1,
    "value": 0,
    "comment": "I didn't like this joke because it didn't make me laugh.",
    "correction": {},
    "metadata": {}
  }'

GET

metadata 不支持与 GET.

curl --request GET \
  --url "https://api.smith.langchain.com/api/v1/feedback/tokens/e952734e-c0a0-417b-a04d-fc2209691ed5?score=1&value=0&comment=I%20didn%27t%20like%20this%20joke%20because%20it%20didn%27t%20make%20me%20laugh.&correction=%7B%7D"