---
title: "Start Attempt"
method: POST
path: "/student/drill/attempts"
tags: ["daily-drill"]
---

# Start Attempt

`POST /student/drill/attempts`

## 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/student/drill/attempts`
- Auth: OAuth 2 (password, token URL `api/login`)

## Request body

- DrillStartRequest
  - `session_key` string, nullable
  - `remediation_of` string, nullable

## Response `200`

Successful Response

- DrillAttemptResponse
  - `attempt_id` string, required
  - `session_key` string, required
  - `day` string, date, required
  - `level` string, required
  - `level_label` string, required
  - `program` string, required
  - `theme` DrillThemeResponse, required
    - `id` string, required
    - `title` string, required
    - `skill` string, required
  - `kind` string, required
  - `source_attempt_id` string, nullable, required
  - `counted` boolean, required
  - `will_count` boolean, required
  - `practice_reason` string, nullable, required
  - `counts_until` string, date-time, nullable, required
  - `resumed` boolean, required
  - `questions` DrillQuestionResponse[], required
    - `theme` string, required
    - `tier` string, required
    - `tier_label` string, required
    - `instruction` string, required
    - `prompt_tex` string, required
    - `check` string, required
    - `pow_base` integer, nullable, required
    - `prefix` string, required
    - `skill` string, required
  - `answers` DrillAnswerResponse[], required
    - `index` integer, required
    - `expr` string, nullable, required
    - `via` string, required
    - `correct` boolean, required
    - `misconception` string, nullable, required
    - `points` integer, required
    - `combo` integer, required
    - `elapsed_ms` integer, required
    - `zone` WrittenZoneResponse: Where the student's work for a question is on a sheet photo (EXC-1002 r2), in fractions of the (upright) photo.
      - `photo_url` string, required
      - `x` number, required
      - `y` number, required
      - `w` number, required
      - `h` number, required
  - `points` integer, required
  - `started_at` string, date-time, required
  - `finished_at` string, date-time, nullable, required

## Other responses

- `403`: Not authorized for this resource
- `404`: Resource not found
- `409`: Business rule violated
- `422`: Validation Error

## Changes

> 55 revisions in range; 1 not diffed.

- **2026-10-15** `7925dd21e4d0`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/excellence-ai/apis/excellence-learning/changes/student/drill/attempts/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)