# Get billing line

Returns a single Billing Line by its unique identifier.

Endpoint: GET /site/{siteId}/ahds/v1/billing-line/{lineId}
Version: 1.0
Security: bearer

## Path parameters:

  - `siteId` (number, required)
    Site identifier

  - `lineId` (string, required)
    Billing Line unique identifier (UUID)

## Response 200 fields (application/json):

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

  - `currency` (string, required)
    ISO 4217 currency code for all monetary amounts on this line.

  - `description` (string, required)
    Human-readable description of the billed item or service.

  - `discountAmount` (string, required)
    Discount amount applied to this line, excluding tax, as a decimal string.
    Example: "100.00"

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

  - `invoiceId` (string, required)
    Identifier of the invoice this line belongs to.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `isActive` (boolean, required)
    Whether this line is currently active.

  - `lineId` (string, required)
    Canonical identifier for this billing line.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `lineTotal` (string, required)
    Total line amount excluding tax (unitPrice * quantity, minus discounts).
    Example: "100.00"

  - `lineTotalTax` (string, required)
    Total tax amount for this line.
    Example: "100.00"

  - `quantity` (number, required)
    Quantity of units billed.

  - `taxCode` (object, required)
    Tax code applied to this line.

  - `taxCode.code` (string, required)
    Code value

  - `taxCode.system` (string, required)
    Code system URI

  - `taxCode.display` (string)
    Human-readable display

  - `taxRatePercent` (number, required)
    Tax rate as a percentage (e.g., 15 for 15%).

  - `unitPrice` (string, required)
    Unit price excluding tax, as a decimal string.
    Example: "100.00"

  - `unitPriceTax` (string, required)
    Tax amount per unit, as a decimal string.
    Example: "100.00"

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


## Response 401 fields

## Response 404 fields