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

# Delete LLM Observability experiments{% #delete-llm-observability-experiments %}
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 | POST https://api.ap1.datadoghq.com/api/v2/llm-obs/v1/experiments/delete |
| ap2.datadoghq.com | POST https://api.ap2.datadoghq.com/api/v2/llm-obs/v1/experiments/delete |
| app.datadoghq.eu  | POST https://api.datadoghq.eu/api/v2/llm-obs/v1/experiments/delete      |
| app.ddog-gov.com  | POST https://api.ddog-gov.com/api/v2/llm-obs/v1/experiments/delete      |
| us2.ddog-gov.com  | POST https://api.us2.ddog-gov.com/api/v2/llm-obs/v1/experiments/delete  |
| app.datadoghq.com | POST https://api.datadoghq.com/api/v2/llm-obs/v1/experiments/delete     |
| us3.datadoghq.com | POST https://api.us3.datadoghq.com/api/v2/llm-obs/v1/experiments/delete |
| us5.datadoghq.com | POST https://api.us5.datadoghq.com/api/v2/llm-obs/v1/experiments/delete |

### Overview

Delete one or more LLM Observability experiments.

### Request

#### Body Data (required)

Delete experiments payload.

{% tab title="Model" %}

| Parent field | Field                            | Type     | Description                                                                          |
| ------------ | -------------------------------- | -------- | ------------------------------------------------------------------------------------ |
|              | data [*required*]           | object   | Data object for deleting LLM Observability experiments.                              |
| data         | attributes [*required*]     | object   | Attributes for deleting LLM Observability experiments.                               |
| attributes   | experiment_ids [*required*] | [string] | List of experiment IDs to delete.                                                    |
| data         | type [*required*]           | enum     | Resource type of an LLM Observability experiment. Allowed enum values: `experiments` |

{% /tab %}

{% tab title="Example" %}

```json
{
  "data": {
    "attributes": {
      "experiment_ids": [
        "3fd6b5e0-8910-4b1c-a7d0-5b84de329012"
      ]
    },
    "type": "experiments"
  }
}
```

{% /tab %}

### Response

{% tab title="204" %}
No Content
{% /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="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

##### 
                  \## default
# 
 \# Curl command curl -X POST "https://api.datadoghq.com/api/v2/llm-obs/v1/experiments/delete" \
-H "Content-Type: application/json" \
-H "DD-API-KEY: ${DD_API_KEY}" \
-H "DD-APPLICATION-KEY: ${DD_APP_KEY}" \
-d @- << EOF
{
  "data": {
    "attributes": {
      "experiment_ids": [
        "3fd6b5e0-8910-4b1c-a7d0-5b84de329012"
      ]
    },
    "type": "experiments"
  }
}
EOF 
                
##### 

```python
"""
Delete LLM Observability experiments returns "No Content" response
"""

from datadog_api_client import ApiClient, Configuration
from datadog_api_client.v2.api.llm_observability_api import LLMObservabilityApi
from datadog_api_client.v2.model.llm_obs_delete_experiments_data_attributes_request import (
    LLMObsDeleteExperimentsDataAttributesRequest,
)
from datadog_api_client.v2.model.llm_obs_delete_experiments_data_request import LLMObsDeleteExperimentsDataRequest
from datadog_api_client.v2.model.llm_obs_delete_experiments_request import LLMObsDeleteExperimentsRequest
from datadog_api_client.v2.model.llm_obs_experiment_type import LLMObsExperimentType

body = LLMObsDeleteExperimentsRequest(
    data=LLMObsDeleteExperimentsDataRequest(
        attributes=LLMObsDeleteExperimentsDataAttributesRequest(
            experiment_ids=[
                "3fd6b5e0-8910-4b1c-a7d0-5b84de329012",
            ],
        ),
        type=LLMObsExperimentType.EXPERIMENTS,
    ),
)

configuration = Configuration()
configuration.unstable_operations["delete_llm_obs_experiments"] = True
with ApiClient(configuration) as api_client:
    api_instance = LLMObservabilityApi(api_client)
    api_instance.delete_llm_obs_experiments(body=body)
```

#### 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
# Delete LLM Observability experiments returns "No Content" response

require "datadog_api_client"
DatadogAPIClient.configure do |config|
  config.unstable_operations["v2.delete_llm_obs_experiments".to_sym] = true
end
api_instance = DatadogAPIClient::V2::LLMObservabilityAPI.new

body = DatadogAPIClient::V2::LLMObsDeleteExperimentsRequest.new({
  data: DatadogAPIClient::V2::LLMObsDeleteExperimentsDataRequest.new({
    attributes: DatadogAPIClient::V2::LLMObsDeleteExperimentsDataAttributesRequest.new({
      experiment_ids: [
        "3fd6b5e0-8910-4b1c-a7d0-5b84de329012",
      ],
    }),
    type: DatadogAPIClient::V2::LLMObsExperimentType::EXPERIMENTS,
  }),
})
api_instance.delete_llm_obs_experiments(body)
```

#### 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
// Delete LLM Observability experiments returns "No Content" response

package main

import (
	"context"
	"fmt"
	"os"

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

func main() {
	body := datadogV2.LLMObsDeleteExperimentsRequest{
		Data: datadogV2.LLMObsDeleteExperimentsDataRequest{
			Attributes: datadogV2.LLMObsDeleteExperimentsDataAttributesRequest{
				ExperimentIds: []string{
					"3fd6b5e0-8910-4b1c-a7d0-5b84de329012",
				},
			},
			Type: datadogV2.LLMOBSEXPERIMENTTYPE_EXPERIMENTS,
		},
	}
	ctx := datadog.NewDefaultContext(context.Background())
	configuration := datadog.NewConfiguration()
	configuration.SetUnstableOperationEnabled("v2.DeleteLLMObsExperiments", true)
	apiClient := datadog.NewAPIClient(configuration)
	api := datadogV2.NewLLMObservabilityApi(apiClient)
	r, err := api.DeleteLLMObsExperiments(ctx, body)

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

#### 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
// Delete LLM Observability experiments returns "No Content" 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.LLMObsDeleteExperimentsDataAttributesRequest;
import com.datadog.api.client.v2.model.LLMObsDeleteExperimentsDataRequest;
import com.datadog.api.client.v2.model.LLMObsDeleteExperimentsRequest;
import com.datadog.api.client.v2.model.LLMObsExperimentType;
import java.util.Collections;

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

    LLMObsDeleteExperimentsRequest body =
        new LLMObsDeleteExperimentsRequest()
            .data(
                new LLMObsDeleteExperimentsDataRequest()
                    .attributes(
                        new LLMObsDeleteExperimentsDataAttributesRequest()
                            .experimentIds(
                                Collections.singletonList("3fd6b5e0-8910-4b1c-a7d0-5b84de329012")))
                    .type(LLMObsExperimentType.EXPERIMENTS));

    try {
      apiInstance.deleteLLMObsExperiments(body);
    } catch (ApiException e) {
      System.err.println("Exception when calling LlmObservabilityApi#deleteLLMObsExperiments");
      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
// Delete LLM Observability experiments returns "No Content" response
use datadog_api_client::datadog;
use datadog_api_client::datadogV2::api_llm_observability::LLMObservabilityAPI;
use datadog_api_client::datadogV2::model::LLMObsDeleteExperimentsDataAttributesRequest;
use datadog_api_client::datadogV2::model::LLMObsDeleteExperimentsDataRequest;
use datadog_api_client::datadogV2::model::LLMObsDeleteExperimentsRequest;
use datadog_api_client::datadogV2::model::LLMObsExperimentType;

#[tokio::main]
async fn main() {
    let body = LLMObsDeleteExperimentsRequest::new(LLMObsDeleteExperimentsDataRequest::new(
        LLMObsDeleteExperimentsDataAttributesRequest::new(vec![
            "3fd6b5e0-8910-4b1c-a7d0-5b84de329012".to_string(),
        ]),
        LLMObsExperimentType::EXPERIMENTS,
    ));
    let mut configuration = datadog::Configuration::new();
    configuration.set_unstable_operation_enabled("v2.DeleteLLMObsExperiments", true);
    let api = LLMObservabilityAPI::with_config(configuration);
    let resp = api.delete_llm_obs_experiments(body).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
/**
 * Delete LLM Observability experiments returns "No Content" response
 */

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

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

const params: v2.LLMObservabilityApiDeleteLLMObsExperimentsRequest = {
  body: {
    data: {
      attributes: {
        experimentIds: ["3fd6b5e0-8910-4b1c-a7d0-5b84de329012"],
      },
      type: "experiments",
    },
  },
};

apiInstance
  .deleteLLMObsExperiments(params)
  .then((data: any) => {
    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 %}