--- title: Create a unit cost description: Datadog, the leading service for cloud-scale monitoring. breadcrumbs: Docs > API Reference > Cloud Cost Management --- > For the complete documentation index, see [llms.txt](https://docs.datadoghq.com/llms.txt). # Create a unit cost{% #create-a-unit-cost %} 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/cost/unit_costs | | ap2.datadoghq.com | POST https://api.ap2.datadoghq.com/api/v2/cost/unit_costs | | app.datadoghq.eu | POST https://api.datadoghq.eu/api/v2/cost/unit_costs | | app.ddog-gov.com | POST https://api.ddog-gov.com/api/v2/cost/unit_costs | | us2.ddog-gov.com | POST https://api.us2.ddog-gov.com/api/v2/cost/unit_costs | | uk1.datadoghq.com | POST https://api.uk1.datadoghq.com/api/v2/cost/unit_costs | | app.datadoghq.com | POST https://api.datadoghq.com/api/v2/cost/unit_costs | | us3.datadoghq.com | POST https://api.us3.datadoghq.com/api/v2/cost/unit_costs | | us5.datadoghq.com | POST https://api.us5.datadoghq.com/api/v2/cost/unit_costs | ### Overview Create an ROI metric (unit cost) using the given numerator and denominator queries. This endpoint requires the `cloud_cost_management_read` permission. ### Request #### Body Data (required) {% tab title="Model" %} | Parent field | Field | Type | Description | | ----------------- | ----------------------------------- | -------- | -------------------------------------------------------------------------------------- | | | data [*required*] | object | The data object of a unit cost create request. | | data | attributes [*required*] | object | The attributes of a unit cost create or replace request. | | attributes | denominator_query [*required*] | object | A timeseries object containing `queries` and `formulas` arrays. | | denominator_query | formulas [*required*] | [object] | The list of formulas applied to the queries for this side of the ratio. | | denominator_query | queries [*required*] | [object] | The list of queries evaluated for this side of the ratio. | | attributes | description | string | An optional description of the unit cost. At most 2000 characters. | | attributes | name [*required*] | string | The name of the unit cost. At most 200 characters. | | attributes | numerator_query [*required*] | object | A timeseries object containing `queries` and `formulas` arrays. | | numerator_query | formulas [*required*] | [object] | The list of formulas applied to the queries for this side of the ratio. | | numerator_query | queries [*required*] | [object] | The list of queries evaluated for this side of the ratio. | | attributes | unit_label [*required*] | string | The label describing the denominator unit, for example `user`. At most 100 characters. | | data | type [*required*] | enum | The JSON:API resource type for a unit cost. Allowed enum values: `unit_cost` | {% /tab %} {% tab title="Example" %} ```json { "data": { "attributes": { "denominator_query": { "formulas": [ [] ], "queries": [ [] ] }, "description": "Amortized cloud spend divided by the number of active users.", "name": "Cloud cost per active user", "numerator_query": { "formulas": [ [] ], "queries": [ [] ] }, "unit_label": "user" }, "type": "unit_cost" } } ``` {% /tab %} ### Response {% tab title="201" %} Created {% tab title="Model" %} A response containing a single unit cost. | Parent field | Field | Type | Description | | ----------------- | ----------------------------------- | --------- | ------------------------------------------------------------------------------------------------------------------------- | | | data [*required*] | object | The data object of a unit cost response. | | data | attributes [*required*] | object | The attributes of a unit cost. | | attributes | created_at [*required*] | date-time | The time the unit cost was created. | | attributes | created_by [*required*] | uuid | The UUID of the user who created the unit cost. | | attributes | denominator_query [*required*] | object | A timeseries object containing `queries` and `formulas` arrays. | | denominator_query | formulas [*required*] | [object] | The list of formulas applied to the queries for this side of the ratio. | | denominator_query | queries [*required*] | [object] | The list of queries evaluated for this side of the ratio. | | attributes | denominator_type [*required*] | string | The data source of the denominator queries, or `multisource` when the denominator queries span more than one data source. | | attributes | description | string | The description of the unit cost. Omitted when the unit cost has no description. | | attributes | name [*required*] | string | The name of the unit cost. | | attributes | numerator_query [*required*] | object | A timeseries object containing `queries` and `formulas` arrays. | | numerator_query | formulas [*required*] | [object] | The list of formulas applied to the queries for this side of the ratio. | | numerator_query | queries [*required*] | [object] | The list of queries evaluated for this side of the ratio. | | attributes | org_id [*required*] | int64 | The ID of the organization the unit cost belongs to. | | attributes | unit_label [*required*] | string | The label describing the denominator unit. | | attributes | updated_at [*required*] | date-time | The time the unit cost was last updated. | | attributes | updated_by [*required*] | uuid | The UUID of the user who last updated the unit cost. | | data | id [*required*] | uuid | The UUID of the unit cost. | | data | type [*required*] | enum | The JSON:API resource type for a unit cost. Allowed enum values: `unit_cost` | {% /tab %} {% tab title="Example" %} ```json { "data": { "attributes": { "created_at": "2026-09-01T18:46:15.933716Z", "created_by": "36ea1610-8866-4bd3-bb6d-9bb9fc87cad2", "denominator_query": { "formulas": [ [] ], "queries": [ [] ] }, "denominator_type": "metrics", "description": "Amortized cloud spend divided by the number of active users.", "name": "Cloud cost per active user", "numerator_query": { "formulas": [ [] ], "queries": [ [] ] }, "org_id": 321813, "unit_label": "user", "updated_at": "2026-09-01T19:52:08.820536Z", "updated_by": "13cc0adf-2595-479e-b448-5051c180dddb" }, "id": "64aecd58-e355-4f07-9c3a-56ff6bda6cd8", "type": "unit_cost" } } ``` {% /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="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 # \# Use a Personal Access Token or Service Access Token export DD_BEARER_TOKEN="" \# Curl command curl -X POST "https://api.datadoghq.com/api/v2/cost/unit_costs" \ -H "Accept: application/json" \ -H "Content-Type: application/json" \ -H "Authorization: Bearer ${DD_BEARER_TOKEN}" \ -d @- << EOF { "data": { "attributes": { "denominator_query": { "formulas": [ { "formula": "denominator" } ], "queries": [ { "data_source": "metrics", "name": "denominator", "query": "avg:system.cpu.user{*}" } ], "response_format": "timeseries" }, "name": "Cloud cost per active user", "numerator_query": { "formulas": [ { "formula": "numerator" } ], "queries": [ { "data_source": "cloud_cost", "name": "numerator", "query": "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)" } ], "response_format": "timeseries" }, "unit_label": "user" }, "type": "unit_cost" } } EOF ##### ```python """ Create a unit cost returns "Created" response """ from os import environ from datadog_api_client import ApiClient, Configuration from datadog_api_client.v2.api.cloud_cost_management_api import CloudCostManagementApi from datadog_api_client.v2.model.unit_cost_create_request import UnitCostCreateRequest from datadog_api_client.v2.model.unit_cost_create_request_data import UnitCostCreateRequestData from datadog_api_client.v2.model.unit_cost_formula import UnitCostFormula from datadog_api_client.v2.model.unit_cost_query import UnitCostQuery from datadog_api_client.v2.model.unit_cost_query_definition import UnitCostQueryDefinition from datadog_api_client.v2.model.unit_cost_request_attributes import UnitCostRequestAttributes from datadog_api_client.v2.model.unit_cost_type import UnitCostType body = UnitCostCreateRequest( data=UnitCostCreateRequestData( attributes=UnitCostRequestAttributes( denominator_query=UnitCostQueryDefinition( formulas=[ UnitCostFormula([("formula", "numerator")]), ], queries=[ UnitCostQuery( [ ("data_source", "cloud_cost"), ("name", "numerator"), ("query", "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)"), ] ), ], ), description="Amortized cloud spend divided by the number of active users.", name="Cloud cost per active user", numerator_query=UnitCostQueryDefinition( formulas=[ UnitCostFormula([("formula", "numerator")]), ], queries=[ UnitCostQuery( [ ("data_source", "cloud_cost"), ("name", "numerator"), ("query", "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)"), ] ), ], ), unit_label="user", ), type=UnitCostType.UNIT_COST, ), ) configuration = Configuration() configuration.access_token = environ["DD_BEARER_TOKEN"] configuration.unstable_operations["create_unit_cost"] = True with ApiClient(configuration) as api_client: api_instance = CloudCostManagementApi(api_client) response = api_instance.create_unit_cost(body=body) 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_BEARER_TOKEN="" python3 "example.py" ##### ```ruby # Create a unit cost returns "Created" response require "datadog_api_client" DatadogAPIClient.configure do |config| config.access_token = ENV["DD_BEARER_TOKEN"] config.unstable_operations["v2.create_unit_cost".to_sym] = true end api_instance = DatadogAPIClient::V2::CloudCostManagementAPI.new body = DatadogAPIClient::V2::UnitCostCreateRequest.new({ data: DatadogAPIClient::V2::UnitCostCreateRequestData.new({ attributes: DatadogAPIClient::V2::UnitCostRequestAttributes.new({ denominator_query: DatadogAPIClient::V2::UnitCostQueryDefinition.new({ formulas: [ DatadogAPIClient::V2::UnitCostFormula.new({}), ], queries: [ DatadogAPIClient::V2::UnitCostQuery.new({}), ], }), description: "Amortized cloud spend divided by the number of active users.", name: "Cloud cost per active user", numerator_query: DatadogAPIClient::V2::UnitCostQueryDefinition.new({ formulas: [ DatadogAPIClient::V2::UnitCostFormula.new({}), ], queries: [ DatadogAPIClient::V2::UnitCostQuery.new({}), ], }), unit_label: "user", }), type: DatadogAPIClient::V2::UnitCostType::UNIT_COST, }), }) p api_instance.create_unit_cost(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_BEARER_TOKEN="" rb "example.rb" ##### ```go // Create a unit cost returns "Created" 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() { body := datadogV2.UnitCostCreateRequest{ Data: datadogV2.UnitCostCreateRequestData{ Attributes: datadogV2.UnitCostRequestAttributes{ DenominatorQuery: datadogV2.UnitCostQueryDefinition{ Formulas: []map[string]interface{}{ map[string]interface{}{ "formula": "numerator", }, }, Queries: []map[string]interface{}{ map[string]interface{}{ "data_source": "cloud_cost", "name": "numerator", "query": "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", }, }, }, Description: *datadog.NewNullableString(datadog.PtrString("Amortized cloud spend divided by the number of active users.")), Name: "Cloud cost per active user", NumeratorQuery: datadogV2.UnitCostQueryDefinition{ Formulas: []map[string]interface{}{ map[string]interface{}{ "formula": "numerator", }, }, Queries: []map[string]interface{}{ map[string]interface{}{ "data_source": "cloud_cost", "name": "numerator", "query": "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", }, }, }, UnitLabel: "user", }, Type: datadogV2.UNITCOSTTYPE_UNIT_COST, }, } ctx := datadog.NewDefaultContext(context.Background()) ctx = context.WithValue(ctx, datadog.ContextAccessToken, os.Getenv("DD_BEARER_TOKEN")) configuration := datadog.NewConfiguration() configuration.SetUnstableOperationEnabled("v2.CreateUnitCost", true) apiClient := datadog.NewAPIClient(configuration) api := datadogV2.NewCloudCostManagementApi(apiClient) resp, r, err := api.CreateUnitCost(ctx, body) if err != nil { fmt.Fprintf(os.Stderr, "Error when calling `CloudCostManagementApi.CreateUnitCost`: %v\n", err) fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r) } responseContent, _ := json.MarshalIndent(resp, "", " ") fmt.Fprintf(os.Stdout, "Response from `CloudCostManagementApi.CreateUnitCost`:\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_BEARER_TOKEN="" go run "main.go" ##### ```java // Create a unit cost returns "Created" response import com.datadog.api.client.ApiClient; import com.datadog.api.client.ApiException; import com.datadog.api.client.v2.api.CloudCostManagementApi; import com.datadog.api.client.v2.model.UnitCostCreateRequest; import com.datadog.api.client.v2.model.UnitCostCreateRequestData; import com.datadog.api.client.v2.model.UnitCostQueryDefinition; import com.datadog.api.client.v2.model.UnitCostRequestAttributes; import com.datadog.api.client.v2.model.UnitCostResponse; import com.datadog.api.client.v2.model.UnitCostType; import java.util.Collections; import java.util.Map; public class Example { public static void main(String[] args) { ApiClient defaultClient = ApiClient.getDefaultApiClient(); defaultClient.setAccessToken(System.getenv("DD_BEARER_TOKEN")); defaultClient.setUnstableOperationEnabled("v2.createUnitCost", true); CloudCostManagementApi apiInstance = new CloudCostManagementApi(defaultClient); UnitCostCreateRequest body = new UnitCostCreateRequest() .data( new UnitCostCreateRequestData() .attributes( new UnitCostRequestAttributes() .denominatorQuery( new UnitCostQueryDefinition() .formulas( Collections.singletonList( Map.ofEntries(Map.entry("formula", "numerator")))) .queries( Collections.singletonList( Map.ofEntries( Map.entry("data_source", "cloud_cost"), Map.entry("name", "numerator"), Map.entry( "query", "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum," + " daily)"))))) .description( "Amortized cloud spend divided by the number of active users.") .name("Cloud cost per active user") .numeratorQuery( new UnitCostQueryDefinition() .formulas( Collections.singletonList( Map.ofEntries(Map.entry("formula", "numerator")))) .queries( Collections.singletonList( Map.ofEntries( Map.entry("data_source", "cloud_cost"), Map.entry("name", "numerator"), Map.entry( "query", "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum," + " daily)"))))) .unitLabel("user")) .type(UnitCostType.UNIT_COST)); try { UnitCostResponse result = apiInstance.createUnitCost(body); System.out.println(result); } catch (ApiException e) { System.err.println("Exception when calling CloudCostManagementApi#createUnitCost"); 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_BEARER_TOKEN="" java "Example.java" ##### ```rust // Create a unit cost returns "Created" response use datadog_api_client::datadog; use datadog_api_client::datadogV2::api_cloud_cost_management::CloudCostManagementAPI; use datadog_api_client::datadogV2::model::UnitCostCreateRequest; use datadog_api_client::datadogV2::model::UnitCostCreateRequestData; use datadog_api_client::datadogV2::model::UnitCostQueryDefinition; use datadog_api_client::datadogV2::model::UnitCostRequestAttributes; use datadog_api_client::datadogV2::model::UnitCostType; use serde_json::Value; use std::collections::BTreeMap; #[tokio::main] async fn main() { let body = UnitCostCreateRequest::new( UnitCostCreateRequestData::new( UnitCostRequestAttributes::new( UnitCostQueryDefinition::new( vec![BTreeMap::from([("formula".to_string(), Value::from("numerator"))])], vec![ BTreeMap::from( [ ("data_source".to_string(), Value::from("cloud_cost")), ("name".to_string(), Value::from("numerator")), ( "query".to_string(), Value::from( "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", ), ), ], ) ], ), "Cloud cost per active user".to_string(), UnitCostQueryDefinition::new( vec![BTreeMap::from([("formula".to_string(), Value::from("numerator"))])], vec![ BTreeMap::from( [ ("data_source".to_string(), Value::from("cloud_cost")), ("name".to_string(), Value::from("numerator")), ( "query".to_string(), Value::from( "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", ), ), ], ) ], ), "user".to_string(), ).description(Some("Amortized cloud spend divided by the number of active users.".to_string())), UnitCostType::UNIT_COST, ), ); let mut configuration = datadog::Configuration::new(); configuration.set_unstable_operation_enabled("v2.CreateUnitCost", true); let api = CloudCostManagementAPI::with_config(configuration); let resp = api.create_unit_cost(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_APP_KEY="" cargo run ##### ```typescript /** * Create a unit cost returns "Created" response */ import { client, v2 } from "@datadog/datadog-api-client"; const configuration = client.createConfiguration({ authMethods: { AuthZ: { accessToken: process.env.DD_BEARER_TOKEN as string, }, }, }); configuration.unstableOperations["v2.createUnitCost"] = true; const apiInstance = new v2.CloudCostManagementApi(configuration); const params: v2.CloudCostManagementApiCreateUnitCostRequest = { body: { data: { attributes: { denominatorQuery: { formulas: [ { formula: "numerator", }, ], queries: [ { data_source: "cloud_cost", name: "numerator", query: "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", }, ], }, description: "Amortized cloud spend divided by the number of active users.", name: "Cloud cost per active user", numeratorQuery: { formulas: [ { formula: "numerator", }, ], queries: [ { data_source: "cloud_cost", name: "numerator", query: "sum:aws.cost.net.amortized.shared.resources.allocated{*}.rollup(sum, daily)", }, ], }, unitLabel: "user", }, type: "unit_cost", }, }, }; apiInstance .createUnitCost(params) .then((data: v2.UnitCostResponse) => { 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_BEARER_TOKEN="" tsc "example.ts" {% /tab %}