# Register an instrument for a client

Registers an instrument owned by the specified client or by one of its customers.
The request body must include either debit_card or virtual_clabe..

Endpoint: POST /v1/clients/{clientId}/instruments
Version: 1.0.0
Security: bearerAuth

## Path parameters:

  - `clientId` (string, required)
    Client identifier (UUID) under which the instrument is being registered. The actual owner will be: - The client itself, if customer_id is omitted in the request body. - The customer specified in customer_id, if provided.

## Response 200 fields (application/json):

  - `id` (string, required)
    Example: "dd7f8d89-94dd-43ca-871b-720fde378b52"

  - `bankId` (string, required)
    Example: "d3435bd9-998d-4e8a-9067-6b71d5fd3ac7"

  - `clientId` (string, required)
    Example: "c2d1d1e3-3340-4170-980e-e9269bbbc551"

  - `ownerId` (string, required)
    Identifier of the entity that owns this instrument (client or customer). When the instrument belongs to a customer, ownerId and customerId will be the same.
    Example: "c2d1d1e3-3340-4170-980e-e9269bbbc551"

  - `alias` (string, required)
    Example: "Instrumento base"

  - `type` (string, required)
    Enum: "RECEIVER"

  - `audit` (object, required)

  - `audit.createdAt` (string, required)
    Example: "2025-05-19 19:03:51.084659-06:00"

  - `audit.updatedAt` (string, required)
    Example: "2025-05-19 19:03:51.084668-06:00"

  - `audit.deletedAt` (string,null, required)

  - `audit.blockedAt` (string,null, required)

  - `rfc` (string, required)
    Example: "XAXX010101000"

  - `customerId` (string)
    Customer who owns the instrument when applicable. Present when the instrument belongs to a customer; omitted for client-level instruments.
    Example: "bb1e8fde-e68e-48e9-a483-d32153c752c2"

  - `instrumentDetail` (any, required)