---
title: "Preview next invoice number"
method: GET
path: "/v1/invoice-series/{id}/preview"
tags: ["InvoiceSeries"]
---

# Preview next invoice number

`GET /v1/invoice-series/{id}/preview`

Previews what the next invoice number would be without consuming it. Useful for showing users what number will be assigned before creating an invoice.

## Path parameters

- `id` string, required

## Response `200`

Preview of next invoice number

- InvoiceNumberPreviewDto
  - `seriesId` string
  - `seriesName` string
  - `nextInvoiceNumber` string
  - `currentCounter` integer
  - `nextCounter` integer

## Other responses

- `400` — Invoice series not available
- `401` — Not authorized
- `403` — No access to this invoice series
- `404` — Invoice series not found

---

[API](https://skmtc.net/timesheet/apis/timesheet-api.md) · [All operations](https://skmtc.net/timesheet/apis/timesheet-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/timesheet/timesheet-api/revisions/5bc49bf02dad/schema)