---
title: "Cancel HPP telesales authorization."
method: POST
path: "/checkout-sessions/{sessionUuid}/buyer-cancel"
tags: ["Checkout Server"]
---

# Cancel HPP telesales authorization.

`POST /checkout-sessions/{sessionUuid}/buyer-cancel`

## Request

- Base URL: `https://paella-sandbox.billie.io/api/v2`
- URL: `https://paella-sandbox.billie.io/api/v2/checkout-sessions/{sessionUuid}/buyer-cancel`
- Auth: OAuth 2
  - Password
  - Token URL: `/oauth/token`
- TypeScript: <https://skmtc.dev/billie/apis/billie-direct-api/docs/checkout-sessions/:sessionUuid/buyer-cancel/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `sessionUuid` string, uuid, required

## Response `200`

Authorization successfully cancelled

## Other responses

- `400`: Invalid Request Data
- `401`: Unauthorized request or invalid credentials
- `404`: Resource Not Found
- `500`: Unexpected Server Error

## Changes

- **2026-11-03** `29d6a8a63ff9`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/billie/apis/billie-direct-api/changes/checkout-sessions/:sessionUuid/buyer-cancel/post.md)

---

[API](https://skmtc.dev/billie/apis/billie-direct-api.md) - [All operations](https://skmtc.dev/billie/apis/billie-direct-api/llms.txt) - [OpenAPI document](https://skmtc.dev/billie/apis/billie-direct-api/revisions/29d6a8a63ff9?raw)