--- title: "Cost and Usage概要" slug: "platform-costandusage" updated: 2026-09-17T09:57:14Z published: 2026-09-17T09:57:14Z canonical: "api.ncloud-docs.com/platform-costandusage" --- > ## Documentation Index > Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # Cost and Usage概要 **当該コンテンツは、ローカリゼーションサービスを準備しております。早急にローカライズサービスをご提供できるよう、努めております。** ## Overview API that inquires usage / amount of contract used by Naver Cloud platform. Billing API is provided in RESTful form. It is made by calling the HTTP-style GET/POST method. ## Common Settings ### API URL ``` GET or POST https://billingapi.apigw.ntruss.com/billing/v1/ ``` ### Request headers | Header | Description | | --- | --- | | x-ncp-apigw-timestamp | It shows the time elapsed since January 1, 1970 00:00:00 UTC in millisecond. If the time differs from that of the API Gateway server by 5 minutes or more, then the request is considered invalid. | | x-ncp-iam-access-key | API Key issued by Naver Cloud Platform or AccessKey issued by IAM. | | x-ncp-apigw-signature-v2 | Signature used to encrypt the body of the example above with SecretKey that maps with AccessKey. The HMAC encryption algorithm is HmacSHA256. | ## Operations ### Common | API name | Description | | --- | --- | | [getContractSummaryList](/docs/ja/platform-costandusage-getcontractsummarylist) | Look up the user contract summary list. | | [getCostRelationCodeList](/docs/ja/platform-costandusage-getcostrelationcodelist) | Check the list of cost-related codes. | | [getContractUsageList](/docs/ja/platform-costandusage-getcontractusagelist) | Look up the list of contract usage. | | [getContractUsageListByDaily](/docs/ja/platform-costandusage-getcontractusagelistbydaily) | Look up the list of contract usage. | | [getContractDemandCostList](/docs/ja/platform-costandusage-getcontractdemandcostlist) | Look up the list of contract claim costs. | | [getProductDemandCostList](/docs/ja/platform-costandusage-getproductdemandcostlist) | Look up the list of product billing costs. | | [getDemandCostList](/docs/ja/platform-costandusage-getdemandcostlist) | Look up the list of billing costs. |