BLB Charge Shift - Cancel Prepay to Postpay

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BLB BLB

  • API Reference
    • Access control
    • API Service Domain Name
    • Appendix
    • Application BLB Interface
      • Application BLB Instance Related Interfaces
      • Application BLB Listener Related Interfaces
      • Application BLB Security Group Related Interfaces
      • Application BLB Server Group Related Interfaces
    • Application IPv6 BLB Interface
      • Application IPv6 BLB Instance Related Interfaces
      • Application IPv6 BLB Listener Related Interfaces
      • Application IPv6 BLB Security Group Related Interfaces
      • Application IPv6 BLB Server Group Related Interfaces
    • BLB Order Related Interfaces
      • BLB - Resize
      • BLB Charge Shift - Cancel Prepay to Postpay
      • BLB Charge Shift - Postpay to Prepay
      • BLB Charge Shift - Prepay to Postpay
      • BLB Inquiry
      • BLB Unsubscribe Interface
    • Document Update Records
    • Error code
    • Interface Specifications
    • Introduction
    • Load Balancer Dedicated Cluster LBDC Interface
      • LBDC Instance Related Interfaces
    • Service Publishing Point Interface
      • Service Publishing Point Related Interfaces
    • Standard BLB Interface
      • Standard BLB Instance Related Interfaces
      • Standard BLB Listener Related Interfaces
      • Standard BLB Real Server Related Interfaces
      • Standard BLB Security Group Related Interfaces
    • Standard IPv6 BLB Interface
      • Standard IPv6 BLB Related Interfaces
  • FAQs
    • Billing Problems
    • Common Questions Overview
    • Configuration-related questions
    • Fault-related questions
    • General Problems
    • Load Balancer Dedicated Cluster Related Issues
    • Performance-related questions
    • Security Problems
  • Function Release Records
  • Operation guide
    • Access control
    • Access Logs
    • Application BLB instance
    • Application IPv6 Instance
    • BLB metric description
    • Certification
    • Custom configuration
    • Extended domain name
    • General-purpose BLB instance
      • Creating BLB Ordinary Instance
      • Managing BLB Ordinary Instance
    • General-purpose IPv6 BLB instance
    • Identity and access management
    • IP Group Usage Guide
    • Load Balance Dedicated Cluster
    • Load Balancer Frontend and Backend Protocol Correspondence
    • Recording Access Logs Using VPC Flow Logs
    • Service Release Point
    • Tag Management
  • Product Description
    • Application scenarios
    • Basic Architecture
    • Basic concepts
    • Performance Specification Description
    • Product advantages
    • Product features
    • Product Introduction
    • Usage restrictions
  • Product pricing
    • Load Balancer Dedicated Cluster Billing
    • Load Balancer Instance Billing
  • Quick Start
  • SDK
    • GO-SDK
      • Application BLB Instance
      • Initialization
      • Install
      • IPv6 BLB Instance
      • Load Balance Dedicated Cluster (LBDC)
      • Ordinary BLB Instance
      • Overview
      • Service Release Point
      • Version Change Records
    • Java-SDK
      • Application BLB instance
      • General-purpose BLB instance
      • Initialization
      • Install the SDK Package
      • IPv6 BLB Instance
      • Load Balance Dedicated Cluster (LBDC)
      • Overview
      • Service Release Point
      • Version Update Description
    • PHP-SDK
      • Initialization
      • Install
      • Ordinary BLB Instance
      • Overview
    • Python-SDK
      • Application BLB Instance
      • Initialization
      • Install
      • IPv6 BLB Instance
      • Load Balance Dedicated Cluster (LBDC)
      • Ordinary BLB Instance
      • Overview
      • Service Release Point
      • Version Update Description
  • Service Level Agreement (SLA)
    • Description of Baidu AI Cloud Load Balancer Trusted Cloud certification service availability
    • LBDC Service Level Agreement SLA
    • BLB Service Level Agreement (V2.0)
  • Typical Practices
    • BLB Selection Guide
    • Health Check Exception Troubleshooting
    • Implementing BLB Association with Listeners, Real Servers, Security Groups, etc. via Terraform
    • Implementing Multi-Site Hosting via Application BLB
    • Load Balancer Security Protection Strategy
    • Managing BLB via Terraform
    • Obtaining Client Information via Application BLB Instance
    • Using IP Group Function to Mount Real Servers Across VPCs in Different Regions
    • Using IP Group Function to Mount Real Servers Across VPCs in the Same Region
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  • Cancel Postpay to Prepay API

BLB Charge Shift - Cancel Prepay to Postpay

Updated at：2025-10-16

Cancel Postpay to Prepay API

Description

When converting from prepay to postpay, the prepay instance will not switch to postpay until its expiration. During this time, resizing and other order-related operations are not allowed for the instance. This API can be used to cancel the prepay-to-postpay conversion.

Request structure

Text 
1POST /v{version}/blb/{blbId}/charge?action=CANCEL_TO_POSTPAY&clientToken={clientToken}
2Host:  blb.bj.baidubce.com
3Authorization: authorization string

Request headers

There are no special headers required beyond the common headers.

Request parameters

Parameter name Types Required or not Parameter location Description
version String Yes URL parameter API version number, current value is 1.
blbId String Yes URL parameter LoadBalancer identifier
clientToken String Yes Query Idempotency Token, with length no more than 64 characters.
action String Yes Query Current value "CANCEL_TO_POSTPAY"

Response Status Code

Respond with 200 after successful operation, and respond with error codes after failed operation, as shown in [Error Codes](BLB/API Reference/Error code.md)

Response headers

No special headers beyond common headers.

Response parameters

None

Request example

Text 
1POST /v1/blb/lb-6x7atqxl/charge?action=CANCEL_TO_POSTPAY&clientToken=0fc2497e-6216-4702-a841-e5f2f6e366ce
2Host:  blb.bj.baidubce.com
3Authorization:bce-auth-v1/a43eea003308400587496785f7f5d9ee/2022-04-28T11:06:00Z/3600/host;x-bce-date/25ec3d4baba54ad7397cb31c96cb5e364088ff79f9b853ffb8dc6c11ebcdcf16

Response example

Text 
1HTTP/1.1 200 OK
2x-bce-request-id: 1214cca7-4ad5-451d-9215-71cb844c0a50
3Date: Fri, 16 Aug 2024 06:29:48 GMT
4Content-Type: application/json;charset=UTF-8
5Server: BWS

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