---
title: "Use Existing Account"
method: POST
path: "/verify/{provider_key}/use"
tags: ["verify"]
---

# Use Existing Account

`POST /verify/{provider_key}/use`

## Request

- Base URL: `https://api.monni.fyi` (the document declares no server; this is the origin it was published from)
- URL: `https://api.monni.fyi/verify/{provider_key}/use`
- Auth: HTTP bearer

Verify with an account the member already linked, with no OAuth round trip.

Every condition is re-checked here rather than trusted from the page: ownership, that
the account is not stale, and that the guild permits reuse for this provider.

## Path parameters

- `provider_key` string, required

## Request body

- UseAccountBody
  - `guild_id` integer, required
  - `account_id` string, required

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-16** `83ac8f547df8`: 2 info
  - 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 history](https://skmtc.dev/monni/apis/monni-api/changes/verify/:provider_key/use/post.md)

---

[API](https://skmtc.dev/monni/apis/monni-api.md) - [All operations](https://skmtc.dev/monni/apis/monni-api/llms.txt) - [OpenAPI document](https://skmtc.dev/monni/apis/monni-api/revisions/a35aef40d880?raw)