---
title: Get a span-based metric
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > API Reference > Spans Metrics
---

# Get a span-based metric{% #get-a-span-based-metric %}
Copy pageCopied
{% tab title="v2" %}

| Datadog site      | API endpoint                                                            |
| ----------------- | ----------------------------------------------------------------------- |
| ap1.datadoghq.com | GET https://api.ap1.datadoghq.com/api/v2/apm/config/metrics/{metric_id} |
| ap2.datadoghq.com | GET https://api.ap2.datadoghq.com/api/v2/apm/config/metrics/{metric_id} |
| app.datadoghq.eu  | GET https://api.datadoghq.eu/api/v2/apm/config/metrics/{metric_id}      |
| app.ddog-gov.com  | GET https://api.ddog-gov.com/api/v2/apm/config/metrics/{metric_id}      |
| us2.ddog-gov.com  | GET https://api.us2.ddog-gov.com/api/v2/apm/config/metrics/{metric_id}  |
| app.datadoghq.com | GET https://api.datadoghq.com/api/v2/apm/config/metrics/{metric_id}     |
| us3.datadoghq.com | GET https://api.us3.datadoghq.com/api/v2/apm/config/metrics/{metric_id} |
| us5.datadoghq.com | GET https://api.us5.datadoghq.com/api/v2/apm/config/metrics/{metric_id} |

### Overview

Get a specific span-based metric from your organization. This endpoint requires the `apm_read` permission.

### Arguments

#### Path Parameters

| Name                        | Type   | Description                        |
| --------------------------- | ------ | ---------------------------------- |
| metric_id [*required*] | string | The name of the span-based metric. |

### Response

{% tab title="200" %}
OK
{% tab title="Model" %}
The span-based metric object.

| Parent field | Field               | Type     | Description                                                                                                                                |
| ------------ | ------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
|              | data                | object   | The span-based metric properties.                                                                                                          |
| data         | attributes          | object   | The object describing a Datadog span-based metric.                                                                                         |
| attributes   | compute             | object   | The compute rule to compute the span-based metric.                                                                                         |
| compute      | aggregation_type    | enum     | The type of aggregation to use. Allowed enum values: `count,distribution`                                                                  |
| compute      | include_percentiles | boolean  | Toggle to include or exclude percentile aggregations for distribution metrics. Only present when the `aggregation_type` is `distribution`. |
| compute      | path                | string   | The path to the value the span-based metric will aggregate on (only used if the aggregation type is a "distribution").                     |
| attributes   | filter              | object   | The span-based metric filter. Spans matching this filter will be aggregated in this metric.                                                |
| filter       | query               | string   | The search query - following the span search syntax.                                                                                       |
| attributes   | group_by            | [object] | The rules for the group by.                                                                                                                |
| group_by     | path                | string   | The path to the value the span-based metric will be aggregated over.                                                                       |
| group_by     | tag_name            | string   | Eventual name of the tag that gets created. By default, the path attribute is used as the tag name.                                        |
| data         | id                  | string   | The name of the span-based metric.                                                                                                         |
| data         | type                | enum     | The type of resource. The value should always be spans_metrics. Allowed enum values: `spans_metrics`                                       |

{% /tab %}

{% tab title="Example" %}

```json
{
  "data": {
    "attributes": {
      "compute": {
        "aggregation_type": "distribution",
        "include_percentiles": false,
        "path": "@duration"
      },
      "filter": {
        "query": "@http.status_code:200 service:my-service"
      },
      "group_by": [
        {
          "path": "resource_name",
          "tag_name": "resource_name"
        }
      ]
    },
    "id": "my.metric",
    "type": "spans_metrics"
  }
}
```

{% /tab %}

{% /tab %}

{% tab title="403" %}
Not Authorized
{% 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 %}

{% tab title="404" %}
Not Found
{% 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 %}

{% 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 metric_id="CHANGE_ME" \# Curl command curl -X GET "https://api.datadoghq.com/api/v2/apm/config/metrics/${metric_id}" \
-H "Accept: application/json" \
-H "DD-API-KEY: ${DD_API_KEY}" \
-H "DD-APPLICATION-KEY: ${DD_APP_KEY}" 
                
##### 

```python
"""
Get a span-based metric returns "OK" response
"""

from os import environ
from datadog_api_client import ApiClient, Configuration
from datadog_api_client.v2.api.spans_metrics_api import SpansMetricsApi

# there is a valid "spans_metric" in the system
SPANS_METRIC_DATA_ID = environ["SPANS_METRIC_DATA_ID"]

configuration = Configuration()
with ApiClient(configuration) as api_client:
    api_instance = SpansMetricsApi(api_client)
    response = api_instance.get_spans_metric(
        metric_id=SPANS_METRIC_DATA_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="<API-KEY>" DD_APP_KEY="<APP-KEY>" python3 "example.py"
##### 

```ruby
# Get a span-based metric returns "OK" response

require "datadog_api_client"
api_instance = DatadogAPIClient::V2::SpansMetricsAPI.new

# there is a valid "spans_metric" in the system
SPANS_METRIC_DATA_ID = ENV["SPANS_METRIC_DATA_ID"]
p api_instance.get_spans_metric(SPANS_METRIC_DATA_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="<API-KEY>" DD_APP_KEY="<APP-KEY>" rb "example.rb"
##### 

```go
// Get a span-based metric 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() {
	// there is a valid "spans_metric" in the system
	SpansMetricDataID := os.Getenv("SPANS_METRIC_DATA_ID")

	ctx := datadog.NewDefaultContext(context.Background())
	configuration := datadog.NewConfiguration()
	apiClient := datadog.NewAPIClient(configuration)
	api := datadogV2.NewSpansMetricsApi(apiClient)
	resp, r, err := api.GetSpansMetric(ctx, SpansMetricDataID)

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

	responseContent, _ := json.MarshalIndent(resp, "", "  ")
	fmt.Fprintf(os.Stdout, "Response from `SpansMetricsApi.GetSpansMetric`:\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="<API-KEY>" DD_APP_KEY="<APP-KEY>" go run "main.go"
##### 

```java
// Get a span-based metric returns "OK" response

import com.datadog.api.client.ApiClient;
import com.datadog.api.client.ApiException;
import com.datadog.api.client.v2.api.SpansMetricsApi;
import com.datadog.api.client.v2.model.SpansMetricResponse;

public class Example {
  public static void main(String[] args) {
    ApiClient defaultClient = ApiClient.getDefaultApiClient();
    SpansMetricsApi apiInstance = new SpansMetricsApi(defaultClient);

    // there is a valid "spans_metric" in the system
    String SPANS_METRIC_DATA_ID = System.getenv("SPANS_METRIC_DATA_ID");

    try {
      SpansMetricResponse result = apiInstance.getSpansMetric(SPANS_METRIC_DATA_ID);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling SpansMetricsApi#getSpansMetric");
      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="<API-KEY>" DD_APP_KEY="<APP-KEY>" java "Example.java"
##### 

```rust
// Get a span-based metric returns "OK" response
use datadog_api_client::datadog;
use datadog_api_client::datadogV2::api_spans_metrics::SpansMetricsAPI;

#[tokio::main]
async fn main() {
    // there is a valid "spans_metric" in the system
    let spans_metric_data_id = std::env::var("SPANS_METRIC_DATA_ID").unwrap();
    let configuration = datadog::Configuration::new();
    let api = SpansMetricsAPI::with_config(configuration);
    let resp = api.get_spans_metric(spans_metric_data_id.clone()).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="<API-KEY>" DD_APP_KEY="<APP-KEY>" cargo run
##### 

```typescript
/**
 * Get a span-based metric returns "OK" response
 */

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

const configuration = client.createConfiguration();
const apiInstance = new v2.SpansMetricsApi(configuration);

// there is a valid "spans_metric" in the system
const SPANS_METRIC_DATA_ID = process.env.SPANS_METRIC_DATA_ID as string;

const params: v2.SpansMetricsApiGetSpansMetricRequest = {
  metricId: SPANS_METRIC_DATA_ID,
};

apiInstance
  .getSpansMetric(params)
  .then((data: v2.SpansMetricResponse) => {
    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="<API-KEY>" DD_APP_KEY="<APP-KEY>" tsc "example.ts"
{% /tab %}