Chariloto Introduces NTT Data's Unified Carrier Authentication Service for 3 Mobile Carriers, Reducing Development Effort and Implementation Time by Approximately 50% ~Membership Registration Complete in As Little As 3 Minutes, Preventing Drop-offs During Registration~

NTT DATA (hereinafter, NTT DATA) announced that its OpenCanvas® Carrier Authentication Service (hereinafter, this service), which allows access to the identity verification APIs of the three major mobile carriers through a single interface, has been implemented in 'Chariloto,' a betting service for keirin and auto races operated by Chari-Loto Inc. (hereinafter, Chariloto), starting from March 2026.

This service's key feature is that NTT DATA consolidates the differing API specifications of each mobile carrier, enabling a single connection to utilize the identity verification APIs of all three. Based on user consent, the system provides the carrier's contract and user information to the service provider. Chariloto will leverage this for identity and age verification during membership registration. The introduction of this service eliminates the need for capturing and uploading identification documents, allowing users to complete authentication instantly on their smartphones. This is expected to reduce drop-offs during membership registration and, for Chariloto, potentially cut development effort and implementation time by approximately 50%.

Chariloto aims to improve the UI/UX during membership registration on its member site and increase the number of registered members as a result of using this service. NTT DATA is collaborating with mobile carriers to expand the deployment of this service across a wide range of industries.

[Background]

In the public sports competition industry, purchasing betting tickets by minors is prohibited. Therefore, when selling tickets online, identity verification and age confirmation through methods like uploading identification documents are mandatory during membership registration on sales sites. However, the process of uploading identification documents often involves the hassle of capturing the document image, physical and psychological burdens associated with capturing one's likeness, and re-operations due to incomplete captures. These issues lead to a high rate of drop-offs during membership registration. In response to these challenges, Chariloto decided to adopt this service provided by NTT DATA as a means to achieve reliable identity verification while reducing the burden on users.

[Overview]

This service is a mechanism where users select their mobile carrier, enter their PIN, and consent to information provision, allowing the mobile carrier to securely provide contract and user information to the service provider. By utilizing the identity verification API mechanisms provided by each mobile carrier based on user consent, service providers can perform identity and age verification.

The biggest feature of this service is that NTT DATA absorbs the API differences between the three major mobile carriers, enabling support for all three with a single connection. By using this service, Chariloto can achieve a smooth implementation and cost reduction for the mobile carriers' 'Identity Verification API,' as well as early realization of UI/UX improvements.

Benefits for Service Providers (Chariloto)

For service providers, individual implementations for each mobile carrier are no longer necessary. Chariloto expects to reduce the development effort and implementation time required for introducing identity verification functions by approximately 50% compared to previous methods. Furthermore, the automation of identity verification processing reduces the operational burden associated with review work and inquiry support, leading to improved maintenance and operational efficiency. Moreover, by preventing drop-offs during membership registration through the introduction of this service, an increase in the maximum number of registrants is anticipated.

Benefits for Service Users

For users, the need for capturing identification documents or re-operations due to image flaws is eliminated. Identity and age verification can be completed instantly simply by operating their smartphone. Previously, procedures could be delayed due to issues with identification documents, requiring time to complete registration and often leading to drop-offs. With the introduction of this service, identity and age verification are completed solely through smartphone operations, allowing membership registration to be finalized in as little as 3 minutes. This prevents drop-offs during membership registration, enabling users to smoothly start using various Chariloto services.

[Figure 1. Overview of OpenCanvas Carrier Authentication Service]

Operation Procedure for Membership Registration Using 'Identity Verification API'

① Carrier Selection (Chariloto Screen)

Users select the mobile carrier they are contracted with. (If connected via Wi-Fi, switch to carrier communication before proceeding).

② PIN Entry (Carrier Screen)

Enter the 4-digit PIN. *The PIN is typically set at the time of mobile contract.

③ Consent to Information Provision (Carrier Screen)

Confirm the service provider name, service name, and the list of information to be provided as displayed on the screen. If there are no issues, press the consent button.

④ Registration Information Confirmation (Chariloto Screen)

Confirm the list of information provided by the carrier. If there are no issues, press the 'Register' button. (After this, proceed to set up passwords etc. required for login to various Chariloto sites).

[Figure 2. Operational Image of Membership Registration Using Mobile Carrier's 'Identity Verification API']

[Future Prospects]

Chariloto aims to improve the UI/UX during membership registration and increase the number of registered members as a result of introducing this service. NTT DATA will leverage the advantage of being able to integrally handle the identity verification APIs of the three major mobile carriers and promote the expansion of this service not only in the public sports competition industry but also in industries with high identity verification needs, such as payment, entertainment, and EC. Moving forward, through the provision of highly flexible services utilizing APIs, we will contribute to the improvement of user experience and the operational efficiency of businesses.

[Notes]

(Note 1) Identity Verification APIs provided by mobile carriers

・NTT docomo: Identity Verification Assist API ・KDDI: Identity Verification Biz ・SoftBank: Identity Verification Agency Service

* Other product names and company names are trademarks or registered trademarks of their respective companies.

Keywords: Keirin, Online Betting, Public Sports Competition, Chariloto