---
title: "Send invoice"
method: POST
path: "/invoice/send-invoice"
tags: ["Invoice"]
---

# Send invoice

`POST /invoice/send-invoice`

## Request

- Base URL: `https://demo.onlinebillingform.com/api/v2`
- URL: `https://demo.onlinebillingform.com/api/v2/invoice/send-invoice`
- Auth: HTTP bearer

Use this BillingServ API endpoint to send invoice. Review the response for the operation result or validation errors.

## Request body

- object
  - `invoice_id` integer, required

## Response `200`

OK

- ApiResponse
  - `success` boolean

## Other responses

- `401`: Missing or invalid API key
- `403`: Authenticated key does not have permission for this endpoint
- `404`: Invoice not found or not accessible to this API account
- `422`: Validation error

## Changes

- **2026-08-22** `6b9208b64456`: 7 info
  - added the non-success response with the status `404`
  - added the optional property `code` to the response with the `401` status
  - added the optional property `code` to the response with the `403` status
  - added the optional property `code` to the response with the `422` status
  - …3 more

[Operation history](https://skmtc.dev/billingserv/apis/billingserv-api-v2/changes/invoice/send-invoice/post.md)

---

[API](https://skmtc.dev/billingserv/apis/billingserv-api-v2.md) - [All operations](https://skmtc.dev/billingserv/apis/billingserv-api-v2/llms.txt) - [OpenAPI document](https://skmtc.dev/billingserv/apis/billingserv-api-v2/revisions/232ab5ca8413?raw)