---
title: "Request Refund"
method: POST
path: "/billing/lots/{lot_id}/refund"
tags: ["billing"]
---

# Request Refund

`POST /billing/lots/{lot_id}/refund`

## Request

- Base URL: `https://api.os3robotics.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.os3robotics.com/billing/lots/{lot_id}/refund`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

Requests a refund of the credit lot's unspent balance. One request of a lot at a time:
409 while one is open, and 409 when less than a cent of the lot is unspent (as while its
refund is being made).

## Path parameters

- `lot_id` integer, required

## Response `201`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/os3robotics/apis/os3-api.md) - [All operations](https://skmtc.dev/os3robotics/apis/os3-api/llms.txt) - [OpenAPI document](https://skmtc.dev/os3robotics/apis/os3-api/revisions/af32cd4f14bb?raw)