# ✏️ Update client details

Update client details.

This endpoint allows you to update an existing client's information.
Only the fields provided in the request will be updated; fields not
included will remain unchanged.

Note: When updating external_ref, ensure it's unique for this sponsor.

Endpoint: PUT /clients/{client_id}
Version: 1.0.0
Security: APIKeyHeader

## Path parameters:

  - `client_id` (string, required)

## Request fields (application/json):

  - `organization_name` (any)
    Name of the organization
    Example: "Acme Corporation"

  - `contact_email` (any)
    Contact email for the organization
    Example: "contact@acme.com"

  - `external_ref` (any)
    External reference identifier
    Example: "EXT-12345"

  - `status` (any)
    Current status of the client
    Example: "active"

## Response 200 fields (application/json):

  - `client_id` (string)
    Unique client identifier

  - `organization_name` (string, required)
    Name of the organization

  - `contact_email` (string, required)
    Contact email for the organization

  - `external_ref` (string, required)
    External reference identifier

  - `sponsor_id` (string, required)
    PDP sponsor ID from the X-PDP-Sponsor-Id header

  - `status` (string, required)
    Current status of the client
    Enum: "active", "inactive", "pending", "suspended"

  - `created_at` (string, required)
    When the client was created

  - `updated_at` (any)
    When the client was last updated

## Response 422 fields (application/json):

  - `detail` (array)

  - `detail.loc` (array, required)

  - `detail.msg` (string, required)

  - `detail.type` (string, required)


## Response 404 fields

## Response 409 fields