---
title: List LLM Observability datasets
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > API Reference > LLM Observability
---

# List LLM Observability datasets{% #list-llm-observability-datasets %}
Copy pageCopied
{% tab title="v2" %}
**Note**: This endpoint is in preview and is subject to change. If you have any feedback, contact [Datadog support](https://docs.datadoghq.com/help/).
| Datadog site      | API endpoint                                                              |
| ----------------- | ------------------------------------------------------------------------- |
| ap1.datadoghq.com | GET https://api.ap1.datadoghq.com/api/v2/llm-obs/v1/{project_id}/datasets |
| ap2.datadoghq.com | GET https://api.ap2.datadoghq.com/api/v2/llm-obs/v1/{project_id}/datasets |
| app.datadoghq.eu  | GET https://api.datadoghq.eu/api/v2/llm-obs/v1/{project_id}/datasets      |
| app.ddog-gov.com  | GET https://api.ddog-gov.com/api/v2/llm-obs/v1/{project_id}/datasets      |
| us2.ddog-gov.com  | GET https://api.us2.ddog-gov.com/api/v2/llm-obs/v1/{project_id}/datasets  |
| app.datadoghq.com | GET https://api.datadoghq.com/api/v2/llm-obs/v1/{project_id}/datasets     |
| us3.datadoghq.com | GET https://api.us3.datadoghq.com/api/v2/llm-obs/v1/{project_id}/datasets |
| us5.datadoghq.com | GET https://api.us5.datadoghq.com/api/v2/llm-obs/v1/{project_id}/datasets |

### Overview

List all LLM Observability datasets for a project, sorted by creation date, newest first.

### Arguments

#### Path Parameters

| Name                         | Type   | Description                              |
| ---------------------------- | ------ | ---------------------------------------- |
| project_id [*required*] | string | The ID of the LLM Observability project. |

#### Query Strings

| Name         | Type    | Description                                                     |
| ------------ | ------- | --------------------------------------------------------------- |
| filter[name] | string  | Filter datasets by name.                                        |
| filter[id]   | string  | Filter datasets by dataset ID.                                  |
| page[cursor] | string  | Use the Pagination cursor to retrieve the next page of results. |
| page[limit]  | integer | Maximum number of results to return per page.                   |

### Response

{% tab title="200" %}
OK
{% tab title="Model" %}
Response containing a list of LLM Observability datasets.

| Parent field | Field                             | Type      | Description                                                                    |
| ------------ | --------------------------------- | --------- | ------------------------------------------------------------------------------ |
|              | data [*required*]            | [object]  | List of datasets.                                                              |
| data         | attributes [*required*]      | object    | Attributes of an LLM Observability dataset.                                    |
| attributes   | created_at [*required*]      | date-time | Timestamp when the dataset was created.                                        |
| attributes   | current_version [*required*] | int64     | Current version number of the dataset.                                         |
| attributes   | description [*required*]     | string    | Description of the dataset.                                                    |
| attributes   | metadata [*required*]        | object    | Arbitrary metadata associated with the dataset.                                |
| attributes   | name [*required*]            | string    | Name of the dataset.                                                           |
| attributes   | updated_at [*required*]      | date-time | Timestamp when the dataset was last updated.                                   |
| data         | id [*required*]              | string    | Unique identifier of the dataset.                                              |
| data         | type [*required*]            | enum      | Resource type of an LLM Observability dataset. Allowed enum values: `datasets` |
|              | meta                              | object    | Pagination cursor metadata.                                                    |
| meta         | after                             | string    | Cursor for the next page of results.                                           |

{% /tab %}

{% tab title="Example" %}

```json
{
  "data": [
    {
      "attributes": {
        "created_at": "2024-01-15T10:30:00Z",
        "current_version": 1,
        "description": "",
        "metadata": {},
        "name": "My LLM Dataset",
        "updated_at": "2024-01-15T10:30:00Z"
      },
      "id": "9f64e5c7-dc5a-45c8-a17c-1b85f0bec97d",
      "type": "datasets"
    }
  ],
  "meta": {
    "after": "string"
  }
}
```

{% /tab %}

{% /tab %}

{% tab title="400" %}
Bad Request
{% tab title="Model" %}
API error response.

| Parent field | Field                    | Type     | Description                                                                     |
| ------------ | ------------------------ | -------- | ------------------------------------------------------------------------------- |
|              | errors [*required*] | [object] | A list of errors.                                                               |
| errors       | detail                   | string   | A human-readable explanation specific to this occurrence of the error.          |
| errors       | meta                     | object   | Non-standard meta-information about the error                                   |
| errors       | source                   | object   | References to the source of the error.                                          |
| source       | header                   | string   | A string indicating the name of a single request header which caused the error. |
| source       | parameter                | string   | A string indicating which URI query parameter caused the error.                 |
| source       | pointer                  | string   | A JSON pointer to the value in the request document that caused the error.      |
| errors       | status                   | string   | Status code of the response.                                                    |
| errors       | title                    | string   | Short human-readable summary of the error.                                      |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    {
      "detail": "Missing required attribute in body",
      "meta": {},
      "source": {
        "header": "Authorization",
        "parameter": "limit",
        "pointer": "/data/attributes/title"
      },
      "status": "400",
      "title": "Bad Request"
    }
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="401" %}
Unauthorized
{% tab title="Model" %}
API error response.

| Parent field | Field                    | Type     | Description                                                                     |
| ------------ | ------------------------ | -------- | ------------------------------------------------------------------------------- |
|              | errors [*required*] | [object] | A list of errors.                                                               |
| errors       | detail                   | string   | A human-readable explanation specific to this occurrence of the error.          |
| errors       | meta                     | object   | Non-standard meta-information about the error                                   |
| errors       | source                   | object   | References to the source of the error.                                          |
| source       | header                   | string   | A string indicating the name of a single request header which caused the error. |
| source       | parameter                | string   | A string indicating which URI query parameter caused the error.                 |
| source       | pointer                  | string   | A JSON pointer to the value in the request document that caused the error.      |
| errors       | status                   | string   | Status code of the response.                                                    |
| errors       | title                    | string   | Short human-readable summary of the error.                                      |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    {
      "detail": "Missing required attribute in body",
      "meta": {},
      "source": {
        "header": "Authorization",
        "parameter": "limit",
        "pointer": "/data/attributes/title"
      },
      "status": "400",
      "title": "Bad Request"
    }
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="403" %}
Forbidden
{% tab title="Model" %}
API error response.

| Parent field | Field                    | Type     | Description                                                                     |
| ------------ | ------------------------ | -------- | ------------------------------------------------------------------------------- |
|              | errors [*required*] | [object] | A list of errors.                                                               |
| errors       | detail                   | string   | A human-readable explanation specific to this occurrence of the error.          |
| errors       | meta                     | object   | Non-standard meta-information about the error                                   |
| errors       | source                   | object   | References to the source of the error.                                          |
| source       | header                   | string   | A string indicating the name of a single request header which caused the error. |
| source       | parameter                | string   | A string indicating which URI query parameter caused the error.                 |
| source       | pointer                  | string   | A JSON pointer to the value in the request document that caused the error.      |
| errors       | status                   | string   | Status code of the response.                                                    |
| errors       | title                    | string   | Short human-readable summary of the error.                                      |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    {
      "detail": "Missing required attribute in body",
      "meta": {},
      "source": {
        "header": "Authorization",
        "parameter": "limit",
        "pointer": "/data/attributes/title"
      },
      "status": "400",
      "title": "Bad Request"
    }
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="404" %}
Not Found
{% tab title="Model" %}
API error response.

| Parent field | Field                    | Type     | Description                                                                     |
| ------------ | ------------------------ | -------- | ------------------------------------------------------------------------------- |
|              | errors [*required*] | [object] | A list of errors.                                                               |
| errors       | detail                   | string   | A human-readable explanation specific to this occurrence of the error.          |
| errors       | meta                     | object   | Non-standard meta-information about the error                                   |
| errors       | source                   | object   | References to the source of the error.                                          |
| source       | header                   | string   | A string indicating the name of a single request header which caused the error. |
| source       | parameter                | string   | A string indicating which URI query parameter caused the error.                 |
| source       | pointer                  | string   | A JSON pointer to the value in the request document that caused the error.      |
| errors       | status                   | string   | Status code of the response.                                                    |
| errors       | title                    | string   | Short human-readable summary of the error.                                      |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    {
      "detail": "Missing required attribute in body",
      "meta": {},
      "source": {
        "header": "Authorization",
        "parameter": "limit",
        "pointer": "/data/attributes/title"
      },
      "status": "400",
      "title": "Bad Request"
    }
  ]
}
```

{% /tab %}

{% /tab %}

{% tab title="429" %}
Too many requests
{% tab title="Model" %}
API error response.

| Field                    | Type     | Description       |
| ------------------------ | -------- | ----------------- |
| errors [*required*] | [string] | A list of errors. |

{% /tab %}

{% tab title="Example" %}

```json
{
  "errors": [
    "Bad Request"
  ]
}
```

{% /tab %}

{% /tab %}

### Code Example

##### 
                  \# Path parameters export project_id="a33671aa-24fd-4dcd-9b33-a8ec7dde7751" \# Curl command curl -X GET "https://api.datadoghq.com/api/v2/llm-obs/v1/${project_id}/datasets" \
-H "Accept: application/json" \
-H "DD-API-KEY: ${DD_API_KEY}" \
-H "DD-APPLICATION-KEY: ${DD_APP_KEY}" 
                
##### 

```python
"""
List LLM Observability datasets returns "OK" response
"""

from datadog_api_client import ApiClient, Configuration
from datadog_api_client.v2.api.llm_observability_api import LLMObservabilityApi

configuration = Configuration()
configuration.unstable_operations["list_llm_obs_datasets"] = True
with ApiClient(configuration) as api_client:
    api_instance = LLMObservabilityApi(api_client)
    response = api_instance.list_llm_obs_datasets(
        project_id="project_id",
    )

    print(response)
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=python) and then save the example to `example.py` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" python3 "example.py"
##### 

```ruby
# List LLM Observability datasets returns "OK" response

require "datadog_api_client"
DatadogAPIClient.configure do |config|
  config.unstable_operations["v2.list_llm_obs_datasets".to_sym] = true
end
api_instance = DatadogAPIClient::V2::LLMObservabilityAPI.new
p api_instance.list_llm_obs_datasets("project_id")
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=ruby) and then save the example to `example.rb` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" rb "example.rb"
##### 

```go
// List LLM Observability datasets returns "OK" response

package main

import (
	"context"
	"encoding/json"
	"fmt"
	"os"

	"github.com/DataDog/datadog-api-client-go/v2/api/datadog"
	"github.com/DataDog/datadog-api-client-go/v2/api/datadogV2"
)

func main() {
	ctx := datadog.NewDefaultContext(context.Background())
	configuration := datadog.NewConfiguration()
	configuration.SetUnstableOperationEnabled("v2.ListLLMObsDatasets", true)
	apiClient := datadog.NewAPIClient(configuration)
	api := datadogV2.NewLLMObservabilityApi(apiClient)
	resp, r, err := api.ListLLMObsDatasets(ctx, "project_id", *datadogV2.NewListLLMObsDatasetsOptionalParameters())

	if err != nil {
		fmt.Fprintf(os.Stderr, "Error when calling `LLMObservabilityApi.ListLLMObsDatasets`: %v\n", err)
		fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r)
	}

	responseContent, _ := json.MarshalIndent(resp, "", "  ")
	fmt.Fprintf(os.Stdout, "Response from `LLMObservabilityApi.ListLLMObsDatasets`:\n%s\n", responseContent)
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=go) and then save the example to `main.go` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" go run "main.go"
##### 

```java
// List LLM Observability datasets returns "OK" response

import com.datadog.api.client.ApiClient;
import com.datadog.api.client.ApiException;
import com.datadog.api.client.v2.api.LlmObservabilityApi;
import com.datadog.api.client.v2.model.LLMObsDatasetsResponse;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = ApiClient.getDefaultApiClient();
    defaultClient.setUnstableOperationEnabled("v2.listLLMObsDatasets", true);
    LlmObservabilityApi apiInstance = new LlmObservabilityApi(defaultClient);

    try {
      LLMObsDatasetsResponse result =
          apiInstance.listLLMObsDatasets("a33671aa-24fd-4dcd-9b33-a8ec7dde7751");
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling LlmObservabilityApi#listLLMObsDatasets");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=java) and then save the example to `Example.java` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" java "Example.java"
##### 

```rust
// List LLM Observability datasets returns "OK" response
use datadog_api_client::datadog;
use datadog_api_client::datadogV2::api_llm_observability::LLMObservabilityAPI;
use datadog_api_client::datadogV2::api_llm_observability::ListLLMObsDatasetsOptionalParams;

#[tokio::main]
async fn main() {
    let mut configuration = datadog::Configuration::new();
    configuration.set_unstable_operation_enabled("v2.ListLLMObsDatasets", true);
    let api = LLMObservabilityAPI::with_config(configuration);
    let resp = api
        .list_llm_obs_datasets(
            "project_id".to_string(),
            ListLLMObsDatasetsOptionalParams::default(),
        )
        .await;
    if let Ok(value) = resp {
        println!("{:#?}", value);
    } else {
        println!("{:#?}", resp.unwrap_err());
    }
}
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=rust) and then save the example to `src/main.rs` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" cargo run
##### 

```typescript
/**
 * List LLM Observability datasets returns "OK" response
 */

import { client, v2 } from "@datadog/datadog-api-client";

const configuration = client.createConfiguration();
configuration.unstableOperations["v2.listLLMObsDatasets"] = true;
const apiInstance = new v2.LLMObservabilityApi(configuration);

const params: v2.LLMObservabilityApiListLLMObsDatasetsRequest = {
  projectId: "project_id",
};

apiInstance
  .listLLMObsDatasets(params)
  .then((data: v2.LLMObsDatasetsResponse) => {
    console.log(
      "API called successfully. Returned data: " + JSON.stringify(data)
    );
  })
  .catch((error: any) => console.error(error));
```

#### Instructions

First [install the library and its dependencies](https://docs.datadoghq.com/api/latest.md?code-lang=typescript) and then save the example to `example.ts` and run following commands:
    DD_SITE="datadoghq.com" DD_API_KEY="<DD_API_KEY>" DD_APP_KEY="<DD_APP_KEY>" tsc "example.ts"
{% /tab %}