---
title: "Zero Teacher Copy Case Student"
method: POST
path: "/teacher/copy-similarity/zero"
tags: ["Teacher Copy Similarity"]
---

# Zero Teacher Copy Case Student

`POST /teacher/copy-similarity/zero`

## Request

- Base URL: `https://api.excellence-ai.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.excellence-ai.com/teacher/copy-similarity/zero`
- Auth: OAuth 2 (password, token URL `api/login`)

## Request body

- TeacherCopyCaseZeroRequest
  - `flag_ids` string[], required
  - `student_id` string, required

## Response `200`

Successful Response

- TeacherCopyCaseZeroResponse
  - `student_id` string, required
  - `zeroed_exercise_numbers` integer[], required
  - `ungraded_exercise_numbers` integer[], required

## Other responses

- `400`: Malformed identifier
- `404`: Resource not found
- `409`: Business rule violated
- `422`: Validation Error

## Changes

> 55 revisions in range; 1 not diffed.

- **2026-10-15** `8026587f3491`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/excellence-ai/apis/excellence-learning/changes/teacher/copy-similarity/zero/post.md)

---

[API](https://skmtc.dev/excellence-ai/apis/excellence-learning.md) - [All operations](https://skmtc.dev/excellence-ai/apis/excellence-learning/llms.txt) - [OpenAPI document](https://skmtc.dev/excellence-ai/apis/excellence-learning/revisions/379e4a57dee8?raw)