All Products
Search
Document Center

Phone Number Verification Service:Manage authentication services

Last Updated:Jan 15, 2026

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

Add an authentication service

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

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

    Add an authentication scheme

  3. Set the following parameters:

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

    2. Authentication Channel: Select the desired channels. If a channel is disabled, API calls for that channel will fail.

  4. Click OK.

    On the Authentication Services page, the new authentication service appears.

Configure an authentication service

After creating an authentication service, configure its settings.

SMS settings

  1. On the Authentication Services page, find the target service and click Configure in the Actions column.

  2. On the settings page, click the SMS tab.SMS settings

  3. Configure the following parameters.

    Parameter

    Description

    SMS Feature

    Enables sending verification codes through the SMS channel.

    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.

    • Disable: Does not append the warning.

  4. Click Save.

WhatsApp settings

  1. On the Authentication Services page, find the target service and click Configure in the Actions column.

  2. On the settings page, click the WhatsApp tab.WhatsApp settings

  3. Configure the following parameters.

    Parameter

    Description

    WhatsApp Feature

    Enables sending verification codes through the WhatsApp channel.

    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, find the target service and click Configure in the Actions column.

  2. On the settings page, click the Voice Code tab.Voice Code settings

  3. Configure the following parameters.

    Parameter

    Description

    Voice Code

    Enables sending verification codes through the Voice Code channel.

    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.Security control settings

  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, click Remove from Blacklist.

Delete an authentication service

Authentication services cannot be modified after creation. To make changes, delete the existing service and create a new one. Then, integrate the new service into your development environment.

To delete the service, on the Authentication Services page, click Delete in the Actions column.

Important

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