Cost Estimation API

The Cost Estimation API provides customer-specific estimates that include your discounts, such as those negotiated as part of a contract and those based on committed usage. These cost estimates can help you make more informed business decisions. For information on constructing your API request, and example cost estimates, see Get cost estimates for your workloads.


To call this service, we recommend that you use the Google-provided client libraries. If your application needs to use your own libraries to call this service, use the following information when you make the API requests.

Discovery document

A Discovery Document is a machine-readable specification for describing and consuming REST APIs. It is used to build client libraries, IDE plugins, and other tools that interact with Google APIs. One service may provide multiple discovery documents. This service provides the following discovery document:

Service endpoint

A service endpoint is a base URL that specifies the network address of an API service. One service might have multiple service endpoints. This service has the following service endpoint and all URIs below are relative to this service endpoint:


REST Resource: v1beta

estimateCostScenario POST /v1beta:estimateCostScenario
Estimate list prices using a CostScenario without a defined billingAccount.

REST Resource: v1beta.billingAccounts

estimateCostScenario POST /v1beta/{billingAccount=billingAccounts/*}:estimateCostScenario
Use custom pricing in the estimate, using a CostScenario with a defined billingAccount.