---
title: "Invoice Facsimile"
method: GET
path: "/api/operator-payments/invoice-facsimile"
tags: ["operator-payments"]
---

# Invoice Facsimile

`GET /api/operator-payments/invoice-facsimile`

Invoice fac-simile amounts for a tax regime and a number of billable visits (single source of truth). Null if not computable.

## Query parameters

- `tax_regime` string, required — Operator tax regime (e.g. ordinario_2_pc, forfettario_4_pc)
- `billable_visits` integer, required — Number of billable visits

## Response `200`

Successful Response

- InvoiceFacsimileResponse — Invoice fac-simile summary (single source of truth for expert invoice amounts).
  - `unit_taxable_amount` string, required — Taxable amount per visit (euros)
  - `taxable_total` string, required — Taxable total for the billable visits (euros)
  - `pension_fund_amount` string, required — Pension-fund contribution (euros)
  - `pension_fund_percent` string, required — Pension-fund percentage
  - `withholding_amount` string, required — 20% withholding (ordinario regimes only, euros)
  - `withholding_base` string, required — Base used to display the withholding (inps-separato)
  - `net_to_pay` string, required — Net amount to pay the expert (euros)
  - `gross_document_total` string, required — Gross document total, reconciled against Zucchetti (euros)
  - `is_flat_rate` boolean, required — Whether the regime is forfettario (flat rate)
  - `stamp_duty_note` boolean — Whether the €2 stamp duty (marca da bollo) applies to the invoice

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/corabea/apis/corabea-api.md) · [All operations](https://skmtc.dev/corabea/apis/corabea-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/corabea/corabea-api/revisions/13c1bce1bdc4/schema)