Billing Overview

This document describes COS billing modes, billable items, billing cycles, and prices.
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Billing Mode
COS supports two billing methods: Pay-As-You-Go (postpaid) and Resource Packages (Prepaid). Details are as follows:
Billing Mode
Description
Pay-As-You-Go (postpaid)
This is the default billing mode of COS supported in all regions as described in Regions and Access Endpoints, where you use resources first and pay later. Fees of various billable items are calculated, settled, deducted, and billed daily. For more information, see Pay-As-You-Go.
Resource Packages (Prepaid)
COS offers discounted resource packs for various billing items, which are purchased in advance and used later. During settlement, the system will first deduct the usage of the resource pack, and any extra usage outside of the resource pack will be billed according to the actual usage. Resource packs are only applicable to public cloud regions and are not applicable to financial cloud regions. For more information, please see Prepaid Packages.
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Billable Items
Billable items in COS include Storage Usage Fees , Traffic Fees , Request Fees , Data Retrieval Fees, and Management Fees . 
Note: 
For details about the COS resource package usage period and deduction instructions, please refer to Resource Packages (Prepaid).﻿
Starting from September 1, 2022, COS storage usage, request, and data retrieval fees are settled daily. For more information, see Daily Billing for COS Storage Usage, Request, and Data Retrieval.
Details are as follows:
Products
Classification
Billable Item
Billable Item Description
Billing Cycle
Description
Billing Sequence
COS
Storage Usage Fees
STANDARD Storage Usage Fees
Calculated based on the actual storage duration and capacity used by the data
Daily
Fees for a day are settled and billed the next day.
Free Tier Resource Package > Resource Packages > Pay-As-You-Go.
If there is no free tier and resource packages, it will be charged by usage.
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MAZ_STANDARD Storage Usage Fees
Calculated based on the actual storage duration and capacity used by the data
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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STANDARD_IA Storage Usage Fees
  - If the storage duration is less than 30 days, it will be calculated as 30 days
  - If the size of a single file is below 64 KB, it will be calculated as 64 KB
  - If the size of a single file is above 64 KB, it will be calculated as the actual size
Daily
Fees for a day are settled and billed the next day.
Resource Packages > Pay-As-You-Go
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MAZ_STANDARD_IA Storage Usage Fees
  - If the storage duration is less than 30 days, it will be calculated as 30 days
  - If the size of a single file is below 64 KB, it will be calculated as 64 KB
  - If the size of a single file is above 64 KB, it will be calculated as the actual size
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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ARCHIVE Storage Usage Fees
  - If the storage duration is less than 90 days, it will be calculated as 90 days
  - If the size of a single file is below 64 KB, it will be calculated as 64 KB
  - If the size of a single file is above 64 KB, it will be calculated as the actual size
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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DEEP_ARCHIVE Storage Usage Fees
  - If the storage duration is less than 180 days, it will be calculated as 180 days
  - If the size of a single file is below 64 KB, it will be billed as 64 KB
  - If the size of a single file is equal or greater than 64 KB, it will be calculated as the actual size
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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INTELLIGENT_TIERING Storage Usage Fees
  - If your objects are stored in the frequent access tier, you will be charged at STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at STANDARD_IA prices.
  - Objects smaller than 64 KB will be stored in the frequent access tier all the time
  - For data of the intelligent tiered storage type, additional object monitoring fees will be charged due to automated monitoring
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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MAZ_INTELLIGENT TIERING storage usage fees
  - If your objects are stored in the frequent access tier, you will be charged at MAZ_STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at MAZ_STANDARD_IA prices.
  - Objects smaller than 64 KB will be stored in the frequent access tier all the time
  - For data of the intelligent tiered storage type, additional object monitoring fees will be charged due to automated monitoring
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Traffic Fees
Public network downstream traffic fees
Traffic generated by data transfer from COS to client over the internet
Daily
Fees for a day are settled and billed the next day.
Resource Packages > Pay-As-You-Go
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CDN origin-pull traffic fees
Traffic generated by data transfer from COS to Tencent Cloud CDN edge server
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Cross-region replication traffic fees
Traffic generated by replication of data in a bucket in one region to another bucket in another region
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Global acceleration traffic fees
Traffic generated by data transfer with a user-enabled acceleration domain name
Daily
Fees for a day are settled and billed the next day.
Resource Packages > Pay-As-You-Go
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Request Fees
Read request fees
- Number of read requests
- Both successful and failed requests sent to COS are billable
Daily
Fees for a day are settled and billed the next day.
Resource Packages > Pay-As-You-Go
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Write request fees
- Number of write requests
- Both successful and failed requests sent to COS are billable
Daily
Fees for a day are settled and billed the next day.
Resource Packages > Pay-As-You-Go
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DEEP ARCHIVE data retrieval request fees
Both successful and failed requests sent to COS are billable
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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INTELLIGENT TIERING object monitoring fees
Calculated based on the number of objects uploaded
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Data Retrieval Fees
STANDARD_IA data retrieval fees
Calculated based on the size of data actually read by the user
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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ARCHIVE data retrieval fees
Calculated based on the size of data actually read by the user
Daily
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Pay-As-You-Go
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DEEP ARCHIVE data retrieval fees
Calculated based on the size of data actually read by the user
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Management Fees
Inventory feature fees
Generated when you get a list of bucket objects using the COS inventory feature, and billed by a million listed objects
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Select feature fees
Generated when you extract object(s) using the COS extraction feature, and billed by the size of extracted data
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Batch Operation Fees
You will be billed by the number of jobs created and objects processed for using this COS feature
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Object Tagging Fees
You will be billed by the number of tags you set on your COS objects
Daily
Fees for a day are settled and billed the next day.
Pay-As-You-Go
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Pricing
You can check the prices of COS billable items at Pricing | Cloud Object Storage. Details are as follows:
Pay-As-You-Go pricing: Public cloud pricing applies to public cloud regions, and financial cloud pricing applies to financial cloud regions. For details, see Product Pricing.
Resource Packages pricing: Public cloud resource package pricing applies to general regions in mainland China, Hong Kong, China, and general regions overseas. For details, see Product Pricing or Resource Packages Purchase.
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Price Calculator
You can estimate the usage of fees based on your business needs, calculate them through the price calculator, and export a budget list.
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References
For more information on COS fees calculation and billing in different scenarios, see Billing Examples.
For more information on the COS payment overdue policy (data retention and destruction), see Payment Overdue.
For more information on billing cycles, see Bill Management.
If you have more questions about COS billing, see FAQs or contact us.

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Billing Mode	Description
Pay-As-You-Go (postpaid)	This is the default billing mode of COS supported in all regions as described in Regions and Access Endpoints, where you use resources first and pay later. Fees of various billable items are calculated, settled, deducted, and billed daily. For more information, see Pay-As-You-Go.
Resource Packages (Prepaid)	COS offers discounted resource packs for various billing items, which are purchased in advance and used later. During settlement, the system will first deduct the usage of the resource pack, and any extra usage outside of the resource pack will be billed according to the actual usage. Resource packs are only applicable to public cloud regions and are not applicable to financial cloud regions. For more information, please see Prepaid Packages.

Products	Classification	Billable Item	Billable Item Description	Billing Cycle	Description	Billing Sequence
COS	Storage Usage Fees	STANDARD Storage Usage Fees	Calculated based on the actual storage duration and capacity used by the data	Daily	Fees for a day are settled and billed the next day.	Free Tier Resource Package > Resource Packages > Pay-As-You-Go. If there is no free tier and resource packages, it will be charged by usage.
				MAZ_STANDARD Storage Usage Fees	Calculated based on the actual storage duration and capacity used by the data	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				STANDARD_IA Storage Usage Fees	- If the storage duration is less than 30 days, it will be calculated as 30 days - If the size of a single file is below 64 KB, it will be calculated as 64 KB - If the size of a single file is above 64 KB, it will be calculated as the actual size	Daily	Fees for a day are settled and billed the next day.	Resource Packages > Pay-As-You-Go
				MAZ_STANDARD_IA Storage Usage Fees	- If the storage duration is less than 30 days, it will be calculated as 30 days - If the size of a single file is below 64 KB, it will be calculated as 64 KB - If the size of a single file is above 64 KB, it will be calculated as the actual size	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				ARCHIVE Storage Usage Fees	- If the storage duration is less than 90 days, it will be calculated as 90 days - If the size of a single file is below 64 KB, it will be calculated as 64 KB - If the size of a single file is above 64 KB, it will be calculated as the actual size	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				DEEP_ARCHIVE Storage Usage Fees	- If the storage duration is less than 180 days, it will be calculated as 180 days - If the size of a single file is below 64 KB, it will be billed as 64 KB - If the size of a single file is equal or greater than 64 KB, it will be calculated as the actual size	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				INTELLIGENT_TIERING Storage Usage Fees	- If your objects are stored in the frequent access tier, you will be charged at STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at STANDARD_IA prices. - Objects smaller than 64 KB will be stored in the frequent access tier all the time - For data of the intelligent tiered storage type, additional object monitoring fees will be charged due to automated monitoring	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				MAZ_INTELLIGENT TIERING storage usage fees	- If your objects are stored in the frequent access tier, you will be charged at MAZ_STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at MAZ_STANDARD_IA prices. - Objects smaller than 64 KB will be stored in the frequent access tier all the time - For data of the intelligent tiered storage type, additional object monitoring fees will be charged due to automated monitoring	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
		Traffic Fees	Public network downstream traffic fees	Traffic generated by data transfer from COS to client over the internet	Daily	Fees for a day are settled and billed the next day.	Resource Packages > Pay-As-You-Go
				CDN origin-pull traffic fees	Traffic generated by data transfer from COS to Tencent Cloud CDN edge server	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				Cross-region replication traffic fees	Traffic generated by replication of data in a bucket in one region to another bucket in another region	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				Global acceleration traffic fees	Traffic generated by data transfer with a user-enabled acceleration domain name	Daily	Fees for a day are settled and billed the next day.	Resource Packages > Pay-As-You-Go
		Request Fees	Read request fees	- Number of read requests - Both successful and failed requests sent to COS are billable	Daily	Fees for a day are settled and billed the next day.	Resource Packages > Pay-As-You-Go
				Write request fees	- Number of write requests - Both successful and failed requests sent to COS are billable	Daily	Fees for a day are settled and billed the next day.	Resource Packages > Pay-As-You-Go
				DEEP ARCHIVE data retrieval request fees	Both successful and failed requests sent to COS are billable	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				INTELLIGENT TIERING object monitoring fees	Calculated based on the number of objects uploaded	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
		Data Retrieval Fees	STANDARD_IA data retrieval fees	Calculated based on the size of data actually read by the user	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				ARCHIVE data retrieval fees	Calculated based on the size of data actually read by the user	Fees for a day are settled and billed the next day.	Daily		Pay-As-You-Go
				DEEP ARCHIVE data retrieval fees	Calculated based on the size of data actually read by the user	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
		Management Fees	Inventory feature fees	Generated when you get a list of bucket objects using the COS inventory feature, and billed by a million listed objects	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				Select feature fees	Generated when you extract object(s) using the COS extraction feature, and billed by the size of extracted data	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				Batch Operation Fees	You will be billed by the number of jobs created and objects processed for using this COS feature	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go
				Object Tagging Fees	You will be billed by the number of tags you set on your COS objects	Daily	Fees for a day are settled and billed the next day.	Pay-As-You-Go

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