> This page is for version 0.5.1.
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> - 0.6.0: https://docs.nvidia.com/nemo-helix/v0.6.0/llms.txt
> - 0.5.1: https://docs.nvidia.com/nemo-helix/v0.5.1/llms.txt
> - 0.5.0: https://docs.nvidia.com/nemo-helix/v0.5.0/llms.txt
> - 0.4.0: https://docs.nvidia.com/nemo-helix/v0.4.0/llms.txt
> - 0.3.0: https://docs.nvidia.com/nemo-helix/v0.3.0/llms.txt
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# Get Trace

GET /apis/intake/v2/workspaces/{workspace}/traces/{id}

Reference: https://docs.nvidia.com/nemo-helix/v0.5.1/documentation/reference/api-reference/traces/get-trace-apis-intake-v-2-workspaces-workspace-traces-id-get

## Request

### Path parameters

- `workspace` (string, required)
- `id` (string, required)

### Query parameters

- `mode` (enum, optional, default: detailed) — Response mode. summary returns root-span fields without payloads or rollups; preview adds token, cost, and span-count rollups plus 300-character input/output previews; detailed returns rollups and full payloads.
  - Allowed values: `summary`, `preview`, `detailed`

## Response

### 200

Successful Response

- `id` (string, required)
- `session_id` (string, required)
- `workspace` (string, required)
- `started_at` (datetime, required)
- `status` (enum, required)
  - Allowed values: `success`, `error`, `cancelled`, `unknown`
- `root_span_id` (string, optional)
- `name` (string, optional)
- `input` (string, optional) — Root-span input text. Omitted in summary mode and truncated to 300 characters in preview mode.
- `output` (string, optional) — Root-span output text. Omitted in summary mode and truncated to 300 characters in preview mode.
- `evaluation_context` (EvaluationContext, optional) — Identifies the Evaluation and optional test case associated with ingested telemetry.
- `agent_name` (string, optional)
- `agent_version` (string, optional)
- `ended_at` (datetime, optional)
- `duration_ms` (double, optional)
- `input_tokens` (integer, optional)
- `output_tokens` (integer, optional)
- `cached_tokens` (integer, optional)
- `total_tokens` (integer, optional)
- `cost_usd` (double, optional)
- `cost_input_usd` (double, optional)
- `cost_output_usd` (double, optional)
- `models` (list of string, optional) — Distinct models used across the trace's spans. Omitted in summary mode.
- `providers` (list of string, optional) — Distinct inference providers used across the trace's spans. Omitted in summary mode.
- `span_count` (integer, optional)
- `error_count` (integer, optional)

## Errors

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

## Types

### EvaluationContext

Identifies the Evaluation and optional test case associated with ingested telemetry.

- `evaluation_name` (string, optional) — Name of an existing Evaluation.
- `test_case_name` (string, optional) — Optional producer-supplied test case name.
- `evaluation_id` (string, optional, deprecated) — Deprecated alias for evaluation_name. Use evaluation_name instead.
- `test_case_id` (string, optional, deprecated) — Deprecated alias for test_case_name. Use test_case_name instead.

### ValidationError

- `loc` (list of ValidationErrorLocItems, required)
- `msg` (string, required)
- `type` (string, required)
- `input` (any, optional)
- `ctx` (map from string to any, optional)

### ValidationErrorLocItems

## Examples

**Response**

```json
{
  "id": "string",
  "session_id": "string",
  "workspace": "string",
  "started_at": "2024-01-15T09:30:00Z",
  "status": "success",
  "root_span_id": "string",
  "name": "string",
  "input": "string",
  "output": "string",
  "evaluation_context": {
    "evaluation_name": "string",
    "test_case_name": "string",
    "evaluation_id": "string",
    "test_case_id": "string"
  },
  "agent_name": "string",
  "agent_version": "string",
  "ended_at": "2024-01-15T09:30:00Z",
  "duration_ms": 1.1,
  "input_tokens": 1,
  "output_tokens": 1,
  "cached_tokens": 1,
  "total_tokens": 1,
  "cost_usd": 1.1,
  "cost_input_usd": 1.1,
  "cost_output_usd": 1.1,
  "models": [
    "string"
  ],
  "providers": [
    "string"
  ],
  "span_count": 1,
  "error_count": 1
}
```

**SDK Code**

```python
import requests

url = "https://api.example.com/apis/intake/v2/workspaces/workspace/traces/id"

response = requests.get(url)

print(response.json())
```

```javascript
const url = 'https://api.example.com/apis/intake/v2/workspaces/workspace/traces/id';
const options = {method: 'GET'};

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.example.com/apis/intake/v2/workspaces/workspace/traces/id"

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

	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.example.com/apis/intake/v2/workspaces/workspace/traces/id")

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

request = Net::HTTP::Get.new(url)

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.example.com/apis/intake/v2/workspaces/workspace/traces/id")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.example.com/apis/intake/v2/workspaces/workspace/traces/id');

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

```csharp
using RestSharp;

var client = new RestClient("https://api.example.com/apis/intake/v2/workspaces/workspace/traces/id");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "https://api.example.com/apis/intake/v2/workspaces/workspace/traces/id")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"

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()
```