# Get bill payment applications

List all bills paid by this payment group.

Endpoint: GET /bill-payments/{id}/applications
Version: 1.0.0
Security: BearerAuth

## Path parameters:

  - `id` (string, required)
    Resource ID (UUID) or client key
    Example: "550e8400-e29b-41d4-a716-446655440000"

## Query parameters:

  - `by` (string)
    Specify lookup type for faster retrieval.
If omitted, defaults to looking up by ID first, then falls back to client key if not found.
Use by=key when you know you're providing a client key for best performance.
    Enum: "id", "key"

## Response 200 fields (application/json):

  - `data` (array)

  - `data.id` (string, required)

  - `data.billId` (string, required)
    Bill (invoice) this payment applies to

  - `data.billFriendlyId` (string,null)
    Human-readable bill ID

  - `data.amount` (number, required)
    Amount applied to this bill

  - `data.loadCarrierId` (string,null)
    Associated load carrier (for carrier bills)

  - `data.vendedServiceId` (string,null)
    Associated vended service (for vendor bills)

  - `data.shipmentId` (string,null)

  - `data.shipmentFriendlyId` (string,null)

  - `totalAmount` (number)

## Response 401 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message

## Response 404 fields (application/json):

  - `error` (string, required)
    Error code

  - `message` (string, required)
    Human-readable error message