---
title: "Changes to Start backup codes challenge"
method: POST
path: "/users/@me/mfa/backup-codes/challenge"
---

# Changes to Start backup codes challenge

`POST /users/@me/mfa/backup-codes/challenge`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 4 revisions.

- **2026-09-05** `4dbb738a3e22` — 4 info
- **2026-09-03** `f6d51a9b1034` — 1 info

## Changes

- **2026-09-05** `4dbb738a3e22` — 4 info
  - removed the `NSFW_EMOJI_STICKER_BLOCKED` enum value from the `code` response property for the response status `400`
  - removed the `NSFW_EMOJI_STICKER_BLOCKED` enum value from the `code` response property for the response status `401`
  - removed the `NSFW_EMOJI_STICKER_BLOCKED` enum value from the `code` response property for the response status `403`
  - removed the `NSFW_EMOJI_STICKER_BLOCKED` enum value from the `code` response property for the response status `500`
- **2026-09-03** `f6d51a9b1034` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/fluxer/apis/fluxer-api/docs/users/@me/mfa/backup-codes/challenge/post.md) · [API](https://skmtc.dev/fluxer/apis/fluxer-api.md) · [Page](https://skmtc.dev/fluxer/apis/fluxer-api/changes/users/@me/mfa/backup-codes/challenge/post)