> ## Documentation Index > Fetch the complete documentation index at: https://docs.paytsoftware.com/llms.txt > Use this file to discover all available pages before exploring further. # Get administration invoice by id > Get administration invoice by id ## OpenAPI ````yaml /openapi3.json get /v1/invoices/{id} openapi: 3.0.0 info: title: API Endpoints description: >- This page allows you to explore the available API endpoints. Select a resource (e.g. debtors) and an endpoint (e.g. /v1/debtors) to inspect an example response and available parameters. An authorization header containing a Bearer token is required, see [Authentication](/authentication/authorization). version: 1.0.0 servers: - url: https://api.paytsoftware.com description: Production - url: https://demo-api.paytsoftware.com description: Demo / testing security: - bearerAuth: [] tags: - name: administrations description: Operations about administrations - name: companies description: Operations about companies - name: contacts description: Operations about contacts - name: credit_cases description: Operations about credit_cases - name: debtors description: Operations about debtors - name: files description: Operations about files - name: orders description: Operations about orders - name: order_lines description: Operations about order_lines - name: invoices description: Operations about invoices - name: messages description: Operations about messages - name: notes description: Operations about notes - name: notifications description: Operations about notifications - name: payments description: Operations about payments - name: payment_conditions description: Operations about payment_conditions - name: payment_plans description: Operations about payment_plans - name: psp_mandates description: Operations about psp_mandates - name: psp_transactions description: Operations about psp_transactions - name: sign_up description: Operations about sign_ups - name: tasks description: Operations about tasks - name: vat_rates description: Operations about vat_rates paths: /v1/invoices/{id}: get: tags: - invoices summary: Get administration invoice by id description: Get administration invoice by id operationId: getV1InvoicesId parameters: - in: path name: id description: Invoice identifier required: true schema: type: string - in: query name: administration_id description: Administration identifier required: true schema: type: string - in: query name: identifier_type description: >- Type of invoice identifier to use (can be 'invoice_number', 'invoice_identifier' or left blank to use internal id) required: false schema: type: string - in: query name: fields description: >- JSON object defining fields to receive (e.g {"only": ["field1", {"field2": ["field3"]}]}) required: false schema: type: string responses: '200': description: Invoice content: application/json: schema: $ref: '#/components/schemas/CustomerApi_V1_InvoiceEntity' '401': description: Not authenticated content: application/json: schema: $ref: '#/components/schemas/CustomerApi_ErrorEntity' '403': description: Access not authorized content: application/json: schema: $ref: '#/components/schemas/CustomerApi_ErrorEntity' components: schemas: CustomerApi_V1_InvoiceEntity: type: object properties: category: type: string description: Category currency_code: type: string description: Currency code in ISO 4217 format description: type: string description: Description public_url: type: string description: Link to the debtor portal (request with the 'fields' parameter) deeplink_url: type: string description: >- URL to the invoice in the debtor management interface (request with the 'fields' parameter) flow_code: type: string description: Code of current flow (request with the 'fields' parameter) document_url: type: string description: URL to the invoice document (request with the 'fields' parameter) ubl_document_url: type: string description: >- URL to the UBL invoice document (request with the 'fields' parameter) internal_note_email_address: type: string description: Internal note email address (request with the 'fields' parameter) invoice_number: type: string description: Invoice number invoice_lines: type: array items: $ref: '#/components/schemas/CustomerApi_V1_InvoiceLineEntity' description: Invoice lines (request with the 'fields' parameter) purchase_order_number: type: string description: Purchase order number labels: type: array items: $ref: '#/components/schemas/CustomerApi_V1_LabelEntity' description: Labels (request with the 'fields' parameter) order_number: type: string description: Order number invoice_identifier: type: string description: Invoice identifier from accounting software payment_method: type: string enum: - bank_transfer - direct_debit - cash - none - unknown description: >- The method of payment as intended, not necessarily the actual method of payment peppol_identifier: type: string description: Peppol identifier (request with the 'fields' parameter) administration_id: type: string description: Owning administration identifier credit_case_id: type: string description: DEPRECATED, use active_credit_case_id instead active_credit_case_id: type: string description: Associated active credit case. debtor_id: type: string description: Internal debtor identifier debtor_number: type: string description: Number of the debtor id: type: string description: Unique identifier payment_plan_id: type: string description: DEPRECATED, use active_payment_plan_id instead active_payment_plan_id: type: string description: Associated active payment plan. payment_date: type: string description: Date the invoice was fully paid due_date: type: string description: Due date invoice_date: type: string description: Invoice date administration_costs_total: type: string description: Total administration costs amount in invoice currency administration_costs_open: type: string description: Open administration costs amount in invoice currency total_amount: type: string description: Total amount in invoice currency open_amount: type: string description: Open amount in invoice currency book_open_amount: type: string description: Open amount in administration currency book_total_amount: type: string description: Total amount in administration currency paused_by_user: type: boolean description: Whether the invoice was paused by a user bailiff_at: type: string format: date-time description: Timestamp at which the invoice was forwarded to a bailiff collectable_at: type: string format: date-time description: Timestamp after which the invoice became ready for debt collection debt_collection_at: type: string format: date-time description: Timestamp at which the invoice was sent to debt collection end_of_service_announcement_at: type: string format: date-time description: Timestamp at which the end of service was announced end_of_service_at: type: string format: date-time description: Timestamp at which the service was ended final_reminder_at: type: string format: date-time description: Timestamp at which the final reminder was sent pre_reminder_at: type: string format: date-time description: > Timestamp at which the pre_reminder was sent. This is a reminder sent on or before the due_date and is not considered a true reminder. first_reminder_at: type: string format: date-time description: 'DEPRECATED: use `reminder_1_at` instead' reminder_1_at: type: string format: date-time description: Timestamp at which the first reminder was sent reminder_2_at: type: string format: date-time description: Timestamp at which the second reminder was sent reminder_3_at: type: string format: date-time description: Timestamp at which the third reminder was sent reminder_4_at: type: string format: date-time description: Timestamp at which the fourth reminder was sent latest_reminder_at: type: string format: date-time description: > Timestamp at which the latest reminder was sent. This value will be higher than the highest reminder_X_at when the invoice is mentioned in a final reminder, or when more than 4 bundled reminders have been sent. A pre_reminder is not considered a true reminder so sending one will not result in the latest_reminder_at being set. latest_summons_at: type: string format: date-time description: > Timestamp at which the latest summons was sent. This value will be higher than the highest summons_X_at when the credit_case of the invoice is mentioned in a notice of default. notice_of_default_at: type: string format: date-time description: Timestamp at which the notice of default was sent paused_at: type: string format: date-time description: Timestamp at which the invoice was paused pre_judicial_at: type: string format: date-time description: Timestamp at which the pre-judicial phase started pre_summons_at: type: string format: date-time description: Timestamp at which the debt collection notice was performed sent_at: type: string format: date-time description: Timestamp at which the invoice was sent to the debtor first_summons_at: type: string format: date-time description: 'DEPRECATED: use `summons_1_at` instead' summons_1_at: type: string format: date-time description: Timestamp at which the first summons was sent summons_2_at: type: string format: date-time description: Timestamp at which the second summons was sent summons_3_at: type: string format: date-time description: Timestamp at which the third summons was sent summons_4_at: type: string format: date-time description: Timestamp at which the fourth summons was sent updated_at: type: string format: date-time description: Timestamp at which the invoice was last updated required: - currency_code - invoice_number - payment_method - administration_id - debtor_id - id - due_date - invoice_date - administration_costs_total - administration_costs_open - total_amount - open_amount - book_open_amount - book_total_amount - updated_at description: CustomerApi_V1_InvoiceEntity model CustomerApi_ErrorEntity: type: object properties: code: type: string description: Error code message: type: string description: Error message required: - code - message description: CustomerApi_ErrorEntity model CustomerApi_V1_InvoiceLineEntity: type: object properties: description: type: string description: Description product_unit: type: string description: Product unit vat_percentage: type: string description: VAT percentage vat_rate_code: type: string description: VAT rate code product_quantity: type: string description: Product quantity line_order: type: integer format: int32 description: Line order product_price: type: string description: Product price total_excl_tax_amount: type: string description: Total excl tax amount total_incl_tax_amount: type: string description: Total incl tax amount vat_amount: type: string description: Product tax amount required: - description - product_unit - vat_percentage - vat_rate_code - product_quantity - line_order - product_price - total_excl_tax_amount - total_incl_tax_amount - vat_amount CustomerApi_V1_LabelEntity: type: object properties: name: type: string description: Label name required: - name securitySchemes: bearerAuth: type: http scheme: bearer description: >- OAuth2 access token or static API token. See [Authorization](/authentication/authorization) for how to obtain one. ````