# Update CRC web api to to retrieve an account-level CRC participant identifier code

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-   Modify the existing Open REST API `GET` Get participant identifier code:

    -   API Path: /v2/crc/participant_identifier_code

    -   Method: GET

    -   Change: Add a new optional "query"-type request parameter.

    -   Parameter name: expires_in

-   Parameter description: (Optional) Set a custom expiry time of the identifier code in seconds:

    -   Parameter optional: yes

    -   Parameter type: number

    -   Parameter default value: 43200

    -   Parameter minimum value: 30

    -   Parameter maximum value: 43200

**Note**: Updated API allows setting a custom expiry time for the participant identifier code.