> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://www.comet.com/docs/opik/llms.txt.

# Find dataset items with experiment items

GET http://localhost:5173/api/v1/private/datasets/{id}/items/experiments/items

Find dataset items with experiment items

Reference: https://www.comet.com/docs/opik/reference/rest-api/datasets/find-dataset-items-with-experiment-items

## Servers

- `http://localhost:5173/api` (Local server, default)
- `https://www.comet.com/opik/api` (Opik Cloud)

## Request

### Path parameters

- `id` (string, required)

### Query parameters

- `page` (integer, optional, default: 1)
- `size` (integer, optional, default: 10)
- `experiment_ids` (string, required)
- `filters` (string, optional)
- `sorting` (string, optional)
- `search` (string, optional)
- `truncate` (boolean, optional) — Truncate image included in either input, output or metadata

## Response

### 200

Dataset item resource

- `content` (list of DatasetItem_Compare, optional)
- `page` (integer, optional)
- `size` (integer, optional)
- `total` (long, optional)
- `columns` (list of Column_Compare, optional)
- `sortableBy` (list of string, optional)

## Types

### DatasetItem_Compare

- `source` (enum, required)
  - Allowed values: `manual`, `trace`, `span`, `sdk`
- `data` (JsonNode, required)
- `id` (string, optional) — Stable item identifier. On write, used as the upsert key. If omitted, a new ID is generated. Remains the same across dataset versions
- `dataset_item_id` (string, optional) — Deprecated. Always equals 'id'. Retained for backward compatibility and will be removed in a future version
- `trace_id` (string, optional)
- `span_id` (string, optional)
- `description` (string, optional)
- `tags` (list of string, optional)
- `evaluators` (list of EvaluatorItem_Compare, optional)
- `execution_policy` (ExecutionPolicy_Compare, optional)
- `experiment_items` (list of ExperimentItem_Compare, optional)
- `run_summaries_by_experiment` (map from string to ExperimentRunSummary_Compare, optional)
- `dataset_id` (string, optional)
- `created_at` (datetime, optional)
- `last_updated_at` (datetime, optional)
- `created_by` (string, optional)
- `last_updated_by` (string, optional)

### Column_Compare

- `name` (string, optional)
- `types` (list of enum, optional)
  - Allowed values: `string`, `number`, `object`, `boolean`, `array`, `null`
- `filter_field_prefix` (string, optional)
- `filterField` (string, optional) — The field to use for filtering

### JsonNode

### EvaluatorItem_Compare

- `name` (string, required)
- `type` (enum, required)
  - Allowed values: `llm_judge`, `code_metric`
- `config` (JsonNode_Compare, required)

### ExecutionPolicy_Compare

- `runs_per_item` (integer, optional)
- `pass_threshold` (integer, optional)

### ExperimentItem_Compare

- `experiment_id` (string, required)
- `dataset_item_id` (string, required)
- `trace_id` (string, required)
- `id` (string, optional)
- `project_id` (string, optional)
- `input` (JsonListString_Compare, optional)
- `output` (JsonListString_Compare, optional)
- `trace_metadata` (JsonListString_Compare, optional)
- `feedback_scores` (list of FeedbackScore_Compare, optional)
- `comments` (list of Comment_Compare, optional)
- `total_estimated_cost` (double, optional)
- `duration` (double, optional)
- `usage` (map from string to long, optional)
- `created_at` (datetime, optional)
- `last_updated_at` (datetime, optional)
- `created_by` (string, optional)
- `last_updated_by` (string, optional)
- `trace_visibility_mode` (enum, optional)
  - Allowed values: `default`, `hidden`
- `description` (string, optional)
- `execution_policy` (ExecutionPolicy_Compare, optional)
- `assertion_results` (list of AssertionResult_Compare, optional)
- `status` (enum, optional)
  - Allowed values: `passed`, `failed`

### ExperimentRunSummary_Compare

- `passed_runs` (integer, optional)
- `total_runs` (integer, optional)
- `status` (enum, optional)
  - Allowed values: `passed`, `failed`

### JsonNode_Compare

### JsonListString_Compare

### FeedbackScore_Compare

- `name` (string, required)
- `value` (double, required)
- `source` (enum, required)
  - Allowed values: `ui`, `sdk`, `online_scoring`
- `category_name` (string, optional)
- `reason` (string, optional)
- `source_queue_id` (string, optional)
- `created_at` (datetime, optional)
- `last_updated_at` (datetime, optional)
- `created_by` (string, optional)
- `last_updated_by` (string, optional)
- `value_by_author` (map from string to ValueEntry_Compare, optional)

### Comment_Compare

- `text` (string, required)
- `id` (string, optional)
- `source_queue_id` (string, optional)
- `created_at` (datetime, optional)
- `last_updated_at` (datetime, optional)
- `created_by` (string, optional)
- `last_updated_by` (string, optional)

### AssertionResult_Compare

- `value` (string, optional)
- `passed` (boolean, optional)
- `reason` (string, optional)

### ValueEntry_Compare

- `value` (double, optional)
- `reason` (string, optional)
- `category_name` (string, optional)
- `source` (enum, optional)
  - Allowed values: `ui`, `sdk`, `online_scoring`
- `last_updated_at` (datetime, optional)
- `span_type` (string, optional)
- `span_id` (string, optional)
- `source_queue_id` (string, optional)
- `author` (string, optional)

## Examples

**Response**

```json
{
  "content": [
    {
      "source": "manual",
      "data": {},
      "id": "string",
      "dataset_item_id": "string",
      "trace_id": "string",
      "span_id": "string",
      "description": "string",
      "tags": [
        "string"
      ],
      "evaluators": [
        {
          "name": "string",
          "type": "llm_judge",
          "config": {}
        }
      ],
      "execution_policy": {
        "runs_per_item": 1,
        "pass_threshold": 1
      },
      "experiment_items": [
        {
          "experiment_id": "string",
          "dataset_item_id": "string",
          "trace_id": "string",
          "id": "string",
          "project_id": "string",
          "input": {},
          "output": {},
          "trace_metadata": {},
          "feedback_scores": [
            {
              "name": "string",
              "value": 1.1,
              "source": "ui",
              "category_name": "string",
              "reason": "string",
              "source_queue_id": "string",
              "created_at": "2024-01-15T09:30:00Z",
              "last_updated_at": "2024-01-15T09:30:00Z",
              "created_by": "string",
              "last_updated_by": "string",
              "value_by_author": {}
            }
          ],
          "comments": [
            {
              "text": "string",
              "id": "string",
              "source_queue_id": "string",
              "created_at": "2024-01-15T09:30:00Z",
              "last_updated_at": "2024-01-15T09:30:00Z",
              "created_by": "string",
              "last_updated_by": "string"
            }
          ],
          "total_estimated_cost": 1.1,
          "duration": 1.1,
          "usage": {},
          "created_at": "2024-01-15T09:30:00Z",
          "last_updated_at": "2024-01-15T09:30:00Z",
          "created_by": "string",
          "last_updated_by": "string",
          "trace_visibility_mode": "default",
          "description": "string",
          "execution_policy": {
            "runs_per_item": 1,
            "pass_threshold": 1
          },
          "assertion_results": [
            {
              "value": "string",
              "passed": true,
              "reason": "string"
            }
          ],
          "status": "passed"
        }
      ],
      "run_summaries_by_experiment": {},
      "dataset_id": "string",
      "created_at": "2024-01-15T09:30:00Z",
      "last_updated_at": "2024-01-15T09:30:00Z",
      "created_by": "string",
      "last_updated_by": "string"
    }
  ],
  "page": 1,
  "size": 1,
  "total": 1,
  "columns": [
    {
      "name": "string",
      "types": [
        "string"
      ],
      "filter_field_prefix": "string",
      "filterField": "string"
    }
  ],
  "sortableBy": [
    "string"
  ]
}
```

**SDK Code**

```python
import requests

url = "http://localhost:5173/api/v1/private/datasets/id/items/experiments/items"

querystring = {"experiment_ids":"experiment_ids"}

response = requests.get(url, params=querystring)

print(response.json())
```

```javascript
const url = 'http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids';
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 := "http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids"

	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("http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids")

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

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("http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids');

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

```csharp
using RestSharp;

var client = new RestClient("http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:5173/api/v1/private/datasets/id/items/experiments/items?experiment_ids=experiment_ids")! 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()
```