CDSL Circular on Introduction of Application Programming Interface (API) Facility for Multiple Beneficiary Owner (BO) Accounts across CDSL
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Jul 2, 2026, 3:12:51 AMJul 2
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Date of Issue: 01-07-2026
Highlights of the Circular :
CDSL has been proactively sharing data with DPs on demat accounts having common attributes across multiple BO accounts exceeding a defined threshold, on a monthly and half-yearly basis, as a risk mitigation measure. DPs are advised to check with BO for opening multiple demat accounts with common attributes (PAN, Mobile, Email ID, Bank details and address).
As DPs do not have visibility of BO accounts with other DPs across CDSL, they have requested CDSL to provide an API facility that indicates the aggregate count of such BO accounts at the time of onboarding a new BO account. The count will be based on details captured against the first holder of the demat accounts.
CDSL is pleased to introduce the Application Programming Interface (API) for strengthening regulatory compliance and enhancing due diligence at the time of BO account opening. CDSL has released an API-based facility for all the DPs to check the number of Beneficial Owner (BO) accounts held by a client across CDSL.
The facility would enable DPs to:
1. Identify whether a BO already holds additional demat accounts within CDSL.
2. Ensure adherence to regulatory requirements pertaining to obtaining the requisite compliance from clients, as prescribed by CDSL under Client Due Diligence, for the opening of multiple demat accounts.
3. Strengthen KYC and due diligence processes and prevent misuse of multiple accounts.
The Key Features of the API is to provide Real-time information on the count of demat accounts mapped to a client based on key identifiers. The facility is designed to be integrated into the BO account opening workflow of the DPs. It supports improved monitoring and documentation for compliance purposes.
DPs are advised to utilize the API during the process of opening BO accounts. This API enables DPs to identify the number of BO accounts associated with a particular attribute within CDSL. In cases where the number of accounts exceeds the stipudue diligence of the client, at the onboarding stage.
Additionally, necessary declarations can be obtained from the client and maintained on record to ensure compliance.
Highlights of the Circular :
CDSL has been proactively sharing data with DPs on demat accounts having common attributes across multiple BO accounts exceeding a defined threshold, on a monthly and half-yearly basis, as a risk mitigation measure. DPs are advised to check with BO for opening multiple demat accounts with common attributes (PAN, Mobile, Email ID, Bank details and address).
As DPs do not have visibility of BO accounts with other DPs across CDSL, they have requested CDSL to provide an API facility that indicates the aggregate count of such BO accounts at the time of onboarding a new BO account. The count will be based on details captured against the first holder of the demat accounts.
CDSL is pleased to introduce the Application Programming Interface (API) for strengthening regulatory compliance and enhancing due diligence at the time of BO account opening. CDSL has released an API-based facility for all the DPs to check the number of Beneficial Owner (BO) accounts held by a client across CDSL.
The facility would enable DPs to:
1. Identify whether a BO already holds additional demat accounts within CDSL.
2. Ensure adherence to regulatory requirements pertaining to obtaining the requisite compliance from clients, as prescribed by CDSL under Client Due Diligence, for the opening of multiple demat accounts.
3. Strengthen KYC and due diligence processes and prevent misuse of multiple accounts.
The Key Features of the API is to provide Real-time information on the count of demat accounts mapped to a client based on key identifiers. The facility is designed to be integrated into the BO account opening workflow of the DPs. It supports improved monitoring and documentation for compliance purposes.
DPs are advised to utilize the API during the process of opening BO accounts. This API enables DPs to identify the number of BO accounts associated with a particular attribute within CDSL. In cases where the number of accounts exceeds the stipudue diligence of the client, at the onboarding stage.
Additionally, necessary declarations can be obtained from the client and maintained on record to ensure compliance.
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