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Phone Number Verification Service:Authentication Plan Management

Last Updated:Feb 12, 2026

This topic explains how to add, configure, and delete authentication services.

Add an authentication scheme

  1. Log on to the Phone Number Verification Service console.

  2. In the left navigation pane, click Authentication Services > Add Authentication Service.

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  3. Set the following parameters:

    1. Service Name: Enter a name for the authentication service, up to 30 characters long. This name appears as the brand name in verification messages.

    2. Authentication Channel: Select the channels you want to use. If a channel is disabled, API calls for that channel fail.

  4. Click OK.

    On the Authentication Services page, you can view the newly added authentication plan.

Configure an authentication service

After you create an authentication service, configure its settings.

SMS settings

  1. On the Authentication Services page, click Configure in the Actions column.

  2. On the Authentication Service Settings page, click the SMS tab.22

  3. Set the following parameters.

    Parameter Name

    Description

    SMS Feature

    You can enable the SMS feature.

    Click Security Settings to open the Security Protection page. Then, configure settings such as Security Block, Landline Number Verification, and Destination Country Blacklist.

    Template

    Select an SMS template.

    Brand Name

    Enter a brand name, which is displayed in verification messages. The name can be up to 30 characters long.

    Verification Code Length

    Select the length of the verification code. Valid values: 4 to 10 characters.

    Verification Code Validity Period

    Select the validity period for the verification code.

    Verification Code Expiration Alerting

    • Enable: Appends a validity period warning to the end of the message.

    • Disable: Does not append a validity period warning to the message.

    Do not share warning message

    • Enable: Appends "Do not share this code with anyone" to the end of the message.

    • Do not use: This option does not append 'Do not share this code with anyone' to the message.

  4. Click Save.

WhatsApp settings

  1. On the Authentication Services page, click Configure in the Actions column.

  2. On the Authentication Service Settings page, click the WhatsApp tab.23

  3. Set the following parameters.

    Parameter Name

    Description

    WhatsApp Feature

    You can enable the WhatsApp feature.

    Template

    Select a message template.

    Brand Name

    Enter a brand name, which is displayed in verification messages. The name can be up to 30 characters long.

    Verification Code Length

    Select the length of the verification code. Valid values: 4 to 10 characters.

    Verification Code Validity Period

    Select the validity period for the verification code.

  4. Click Save.

Voice Code settings

  1. On the Authentication Services page, click Configure in the Actions column.

  2. On the Authentication Service Settings page, click the Voice Code tab.25

  3. Set the following parameters.

    Parameter Name

    Description

    Voice Code Feature

    You can enable the Voice Code feature.

    Template

    Select a message template.

    Brand Name

    Enter a brand name, which is displayed in verification messages. The name can be up to 30 characters long.

    Verification Code Length

    Select the length of the verification code. Valid values: 4 to 10 characters.

    Verification Code Validity Period

    Select the validity period for the verification code.

  4. Click Save.

Security protection settings

  1. On the Authentication Services page, find the target service and click Configure in the Actions column. Then, click the Security Protection tab.26

  2. Configure settings such as Security Block, Landline Number Verification, and Destination Country Blacklist.

    1. To add a country to the blacklist, click Add Country to Blacklist.

    2. To remove a country from the blacklist, click Remove from Blacklist.

Delete an authentication service

You cannot modify an authentication service after creation. To make changes, delete the existing service and create a new one. Then, integrate the new service into your development environment.

On the Authentication Services page, find the verification plan that you want to delete and click Delete in the Actions column.

Important

After you delete an authentication service, it can no longer be used for verifications. This action is irreversible.