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Captcha:Activate Captcha 2.0

Last Updated:Feb 28, 2026

Captcha 2.0 protects your websites and applications from bots and automated abuse through intelligent verification. Activate the service before you start integration.

Prerequisites

  • An Alibaba Cloud account.

Billing

Captcha 2.0 uses pay-as-you-go billing. You pay only for what you use -- no upfront commitment required. Fees are calculated based on your resource usage and deducted from your account balance at the end of each billing cycle.

For pricing details, see Calculation formula. To track your spending, see Manage bills.

Activate the service

  1. Open the Captcha 2.0 buy page.

  2. Click Buy Now and follow the on-screen instructions to complete activation.

Next steps

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