Captcha:Release notes

Update time

Update

References

December 5, 2025

Adds encryption mode to effectively prevent resource abuse or malicious calls.

• initAliyunCaptcha parameters

• Encryption mode integration guide

December 3, 2025

Adds the following parameters to client initialization:

• showErrorTip: Lets you hide the error message that appears when an access exception occurs due to poor network quality.

• delayBeforeSuccess: Lets you immediately trigger the success callback function after a successful verification.

initAliyunCaptcha parameter description

October 24, 2025

Adds the custom CertifyID feature to support verification across the entire business process.

For configuration details, see Custom CertifyID.

October 21, 2025

Adds the Log Management feature.

Simple Log Service

October 9, 2025

The WeChat mini program plugin now supports integration with the V3 architecture.

Integrate the WeChat mini program plugin with the V3 architecture

September 22, 2025

Adds a solution for integrating Flutter for OpenHarmony with the V3 architecture.

Integrate Flutter for OpenHarmony with the V3 architecture

September 17, 2025

Upgrades device fingerprint security capabilities.

/

September 12, 2025

The spatial inference mode is unpublished. Existing configurations are switched to jigsaw puzzle verification.

[Notice] Unpublishing of the spatial inference verification mode

September 8, 2025

Captcha now supports IPv6.

• Client integration: initAliyunCaptcha parameter description

• Server-side integration: Initiate an authentication request

August 22, 2025

The console now supports the configuration of whitelists based on IP address and device dimensions.

Whitelist policy

August 22, 2025

• In the console, scenario configurations for web and H5 clients are merged.

• Optimizes the billing reminder for the pay-as-you-go edition when more than three free scenarios are configured.

Scenario management

August 7, 2025

• Optimizes stability in scenarios with ultra-high queries per second (QPS).

• Upgrades security capabilities for high-security scenarios.

/

August 6, 2025

Fixes compatibility issues with the Internet Explorer 11 browser.

/

August 4, 2025

• Fixes style conflict issues that occurred in rare scenarios.

• Optimizes the UI for prompts in disaster recovery scenarios.

/

July 22, 2025

• Optimizes the device fingerprint timeout and retry mechanism.

• Optimizes the detection logic for some emulators.

/

July 17, 2025

Optimizes the performance of the data query API in the console.

/

July 8, 2025

The Alibaba Cloud International Website (www.alibabacloud.com) now supports monitoring and alerts.

Alert notifications

June 27, 2025

Adds the captchaLogoImg parameter to client initialization. This parameter lets you replace the company logo on the right of the trigger button.

• Description of the captchaLogoImg parameter for the V3 architecture

• Description of the captchaLogoImg parameter for the V2 architecture

June 23, 2025

• The WeChat mini program integration solution now supports one-click verification. To use this feature, integrate plugin version 2.3.0 or later.

• Optimizes the test mode for frictionless verification.

Integrate the WeChat mini program plugin with the V3 architecture

June 17, 2025

The V3 architecture for client integration is now online. It provides a better integration experience and a more efficient interaction flow.

• Client integration

• [Notice] Announcement on the release of the V3 architecture for Captcha 2.0 client integration

May 22, 2025

• The spatial inference mode is no longer available for selection when you create or edit a scenario. (The spatial inference mode will be unpublished on August 22, 2025.)

• Upgrades the security policy for the frictionless verification mode.

[Notice] Unpublishing of the spatial inference verification mode

May 25, 2025

Upgrades behavior-based security policies.

/

May 13, 2025

Upgrades device-based security policies.

/

April 16, 2025

Upgrades obfuscation capabilities.

/

April 10, 2025

• Adds the one-click verification mode. (This mode is not supported for WeChat mini program integration.)

• Upgrades device-based security policies.

• Upgrades obfuscation capabilities.

What is Captcha 2.0?

March 20, 2025

WeChat mini program integration now supports frictionless verification. To use this feature, integrate the latest plugin.

Integrate the WeChat mini program plugin with the V3 architecture

February 14, 2025

Optimizes the client integration logic to improve security and mitigation capabilities in frictionless verification mode.

Integrate web and H5 clients with the V2 architecture

January 16, 2025

The client integration API now includes the onError parameter. This parameter is a callback function for errors that occur when the Captcha initialization API request fails or times out.

Integrate web and H5 clients with the V2 architecture

Update time

Update

References

December 24, 2024

The client integration API now includes the rem and autoRefresh parameters. These parameters let you scale the entire Captcha UI and configure auto-refresh after a successful verification.

Integrate web and H5 clients

August 1, 2024

Adjusts the billing for Captcha. The adjustments include pricing for the number of scenario extensions, calls from regions outside the Chinese mainland, and custom policy billing items.

Billing overview

July 15, 2024

Adds the timeout parameter to customize the timeout period for initialization requests and optimize rendering.

Client integration

July 11, 2024

Adds image restoration verification to the available Captcha modes.

• What is Captcha 2.0?

• Billing overview

• Integration guide

June 25, 2024

Integrates the Captcha initialization code to enable WeChat mini program integration.

Integrate the WeChat mini program plugin with the V3 architecture

March 14, 2024

Adds the Singapore region to support Captcha calls from outside the Chinese mainland.

Integrate web and H5 clients

January 30, 2024

Captcha now supports custom verification scenario policies based on different business needs.

Custom policy

Update time

Update

References

October 19, 2023

Adds jigsaw puzzle verification to the available Captcha modes.

• What is Captcha 2.0?

• Billing overview

• Integration guide

October 12, 2023

Captcha now supports deleting verification scenarios that are no longer in use.

Delete a verification scenario

September 1, 2023

Adds the Test Mode mode to Rule Status. This mode bypasses the risk policy check and only verifies the integration link. This prevents Captcha from misidentifying actions as machine behavior during integration testing.

Scenario management

August 22, 2023

Captcha now supports Simplified Chinese, Traditional Chinese, and English.

initAliyunCaptcha

August 8, 2023

The Captcha client now supports integration with Android and iOS apps.

• Integrate with Android using the V2 architecture

• Integrate with iOS using the V2 architecture

July 28, 2023

• The Captcha now auto-refreshes after a successful verification.

• In frictionless verification mode, secondary authentication is a pop-up that automatically appears. No additional clicks are required.

• Optimizes the style of the pop-up window.

-

July 21, 2023

Adds support for configuring the width and length of the slider Captcha.

initAliyunCaptcha

July 7, 2023

• A one-time integration eliminates the need for code updates and automatically upgrades mitigation capabilities and Captcha modes.

• Supports multiple Captcha modes, such as behavioral and semantic verification.

• Supports integration with multiple clients, such as web and H5.

• Provides a comprehensive disaster recovery plan to ensure 99.99% high availability for your business.

What is Captcha 2.0?