---
title: "Changes to Update Plan"
method: POST
path: "/event/update/payment-plan/{plan_id}/"
---

# Changes to Update Plan

`POST /event/update/payment-plan/{plan_id}/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 13 revisions.

- **2026-10-17** `a73bffa39e22`: 2 info
- **2026-09-03** `43ba83e1f2fe`: 2 breaking, 2 info

## Changes

- **2026-10-17** `a73bffa39e22`: 2 info
  - removed the pattern `^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$` from the request property `down_payment_in_amount/anyOf[subschema #2]/`
  - removed the pattern `^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$` from the request property `installment_fee_amount/anyOf[subschema #2]/`
- **2026-09-03** `43ba83e1f2fe`: 2 breaking, 2 info
  - added the pattern `^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$` to the request property `down_payment_in_amount/anyOf[subschema #2]/`
  - added the pattern `^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$` to the request property `installment_fee_amount/anyOf[subschema #2]/`
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status

---

[Operation](https://skmtc.dev/myticketpartner/apis/fastapi/docs/event/update/payment-plan/:plan_id/post.md) - [API](https://skmtc.dev/myticketpartner/apis/fastapi.md) - [Page](https://skmtc.dev/myticketpartner/apis/fastapi/changes/event/update/payment-plan/:plan_id/post)