# Update linked payment

Partially updates an existing Linked Payment. Only provided fields will be updated.

Endpoint: PATCH /site/{siteId}/ahds/v1/linked-payment/{linkedPaymentId}
Version: 1.0
Security: bearer

## Path parameters:

  - `siteId` (number, required)
    Site identifier

  - `linkedPaymentId` (string, required)
    Linked Payment unique identifier (UUID)

## Request fields (application/json):

  - `amount` (string)
    Monetary amount of the payment applied to the target, as a decimal string.
    Example: "100.00"

  - `currency` (string)
    ISO 4217 currency code for the linked amount.

  - `extensions` (object)
    Vendor- or practice-specific extensions.

  - `paymentId` (string)
    Identifier of the payment that is being linked.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `targetId` (string)
    Identifier of the entity this payment is linked to (e.g., invoiceId).
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `targetType` (string)
    Type of entity this payment is linked to.
    Enum: "invoice", "creditNote", "other"

## Response 200 fields (application/json):

  - `amount` (string, required)
    Monetary amount of the payment applied to the target, as a decimal string.
    Example: "100.00"

  - `createdAt` (string, required)
    Timestamp when this linked payment record was created.
    Example: "2025-01-01T00:00:00.000Z"

  - `currency` (string, required)
    ISO 4217 currency code for the linked amount.

  - `extensions` (object, required)
    Vendor- or practice-specific extensions.

  - `linkedPaymentId` (string, required)
    Canonical identifier for this linked payment record.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `paymentId` (string, required)
    Identifier of the payment that is being linked.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `targetId` (string, required)
    Identifier of the entity this payment is linked to (e.g., invoiceId).
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `targetType` (string, required)
    Type of entity this payment is linked to.
    Enum: "invoice", "creditNote", "other"

  - `updatedAt` (string, required)
    Timestamp when this linked payment record was last updated.
    Example: "2025-01-01T00:00:00.000Z"


## Response 400 fields

## Response 401 fields

## Response 404 fields