# User Identifiers

All user identifiers related paths.

 - [GET /users/{user_id}/identifiers](https://docs.upvest.co/api/user-identifiers/list_user_identifiers.md): Lists all existing identifiers of a user used for transaction reporting.
 - [POST /users/{user_id}/identifiers](https://docs.upvest.co/api/user-identifiers/create_identifier.md): Creates a new identifier for a user that will be used for transaction reporting obligations. This identifier is required for user activation if the user's nationalities do not allow reporting using th
 - [GET /users/{user_id}/identifiers/{identifier_id}](https://docs.upvest.co/api/user-identifiers/retrieve_identifier.md): Returns an existing identifier of a given user used for transaction reporting.
 - [PATCH /users/{user_id}/identifiers/{identifier_id}](https://docs.upvest.co/api/user-identifiers/update_identifier.md): Updates an existing identifier of a given user used for transaction reporting.