---
title: "Changes to Update a Card's PIN"
method: POST
path: "/cards/{card_id}/update_pin"
---

# Changes to Update a Card's PIN

`POST /cards/{card_id}/update_pin`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 98 revisions.

- **2026-07-13** `64a92a8cc343`: 4 info
- **2026-04-15** `8976b540ed44`: 1 breaking

## Changes

- **2026-07-13** `64a92a8cc343`: 4 info
  - added `subschema #8, subschema #10` to the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `4XX`
  - added `subschema #8, subschema #10` to the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `5XX`
  - removed `subschema #8, subschema #10` from the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `4XX`
  - removed `subschema #8, subschema #10` from the `allOf[#/components/schemas/error]/` response property `anyOf` list for the response status `5XX`
- **2026-04-15** `8976b540ed44`: 1 breaking
  - added the pattern `^[0-9]*$` to the request property `pin`

---

[Operation](https://skmtc.dev/increase/apis/increase-api-2/docs/cards/:card_id/update_pin/post.md) - [API](https://skmtc.dev/increase/apis/increase-api-2.md) - [Page](https://skmtc.dev/increase/apis/increase-api-2/changes/cards/:card_id/update_pin/post)