# Submit assignment (student)

**POST /api/v1/assignment/{id}/submit**

Creates an assignment submission. If responseText is provided, AI analysis is performed and an auto-score may be awarded when the authenticity score is below the admin-set threshold. File-only submissions are stored but not analyzed.


## Servers
- Local server: http://localhost:3500 (Local server)
- Production server: https://api.echoplain.social (Production server)



## Parameters

### Path parameters
- **id** (string)
  UUID of the assignment to submit


### Body: application/json (object)
Submission data including text response or file URL
- **responseText** (string)
  Text answer or code submission (will be analyzed by AI)
- **fileUrl** (string)
  URL of uploaded file submission


## Responses
### 201
Assignment submitted successfully (may include AI analysis and auto-score)

### 400
Invalid submission data or deadline passed

### 404
Assignment not found


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