---
title: "Changes to Merchant Decision"
method: POST
path: "/api/decision"
---

# Changes to Merchant Decision

`POST /api/decision`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `4b9133c61e7f`: 2 breaking, 5 warning, 6 info

## Changes

- **2026-11-03** `4b9133c61e7f`: 2 breaking, 5 warning, 6 info
  - added the new required `header` request parameter `Content-Type`
  - added the new required request property `order/payment_details`
  - deleted the `header` request parameter `content_type`
  - removed the optional property `message` from the response with the `400` status
  - removed the optional property `message` from the response with the `401` status
  - removed the optional property `message` from the response with the `404` status
  - removed the optional property `message` from the response with the `429` status
  - api tag `Pre-Authorization Flow` added
  - api tag `Automation Endpoints` removed
  - added the optional property `error` to the response with the `400` status
  - added the optional property `error` to the response with the `401` status
  - added the optional property `error` to the response with the `404` status
  - added the optional property `error` to the response with the `429` status

---

[Operation](https://skmtc.dev/riskified/apis/chargeback-guarantee/docs/api/decision/post.md) - [API](https://skmtc.dev/riskified/apis/chargeback-guarantee.md) - [Page](https://skmtc.dev/riskified/apis/chargeback-guarantee/changes/api/decision/post)