# Get Invoice

Gets an invoice by ID.

Endpoint: GET /billing/invoices/{invoice_id}
Version: 1.0.0
Security: apiKeyAuth

## Path parameters:

  - `invoice_id` (string, required)

## Header parameters:

  - `x-entity-id` (string)
    Optional entity ID for scoped access to entity-specific data

## Response 200 fields (application/json):

  - `id` (string, required)

  - `name` (any)

  - `customer_id` (string, required)

  - `line_item_ids` (array, required)

  - `invoice_date` (any, required)

  - `due_date` (any, required)

  - `payment_method_types` (array, required)
    Enum: "BANK_TRANSFER", "CARD", "ACH_DIRECT_DEBIT", "INTERNATIONAL_WIRE", "USDC_ETHEREUM", "USDC_SOLANA", "USDC_BASE", "USDT_ETHEREUM"

  - `send_email_on_creation` (boolean, required)

  - `additional_recipient_emails` (array, required)

  - `note` (any)

  - `collection_account_id` (string, required)

  - `created_at` (string, required)
    ISO 8601 date-time in format 'YYYY-MM-DDThh:mm:ss.nnn[Z|[+|-]hh:mm]' according to [IETF RFC3339](https://xml2rfc.tools.ietf.org/public/rfc/html/rfc3339.html#anchor14)

  - `updated_at` (any)

## Response 422 fields (application/json):

  - `detail` (array)

  - `detail.loc` (array, required)

  - `detail.msg` (string, required)

  - `detail.type` (string, required)