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POST
/
v1
/
homeworks
/
:homeworkId
/
submissions
Create Homework Submission
curl --request POST \
  --url https://api.example.com/v1/homeworks/:homeworkId/submissions \
  --header 'Content-Type: <content-type>' \
  --header 'x-tenant-api-secret: <x-tenant-api-secret>' \
  --data '
{
  "studentId": "<string>",
  "files": {}
}
'
{
  "id": "sub_123456789",
  "homeworkId": "123e4567-e89b-12d3-a456-426614174000",
  "chatId": "chat_987654321",
  "status": "submitted",
  "chatIframeUrl": "https://chat.lexiconlabs.ai/?chat_id=chat_987654321",
  "createdAt": "2023-07-15T14:32:17Z",
  "analysis": "",
  "grade": ""
}

​
Create Homework Submission

This endpoint allows students to upload their homework files for review.

​
Path Parameters

​
homeworkId
string
required
The UUID of the homework being submitted

​
Request Body

​
studentId
string
required
The ID of the student submitting the homework
​
files
array of files
required
The files containing the student’s homework solution (max 10 files)

​
Headers

​
Content-Type
string
required
multipart/form-data
​
x-tenant-api-secret
string
required
Your API authentication key

​
Response

​
id
string
The unique identifier for the submission
​
homeworkId
string
The ID of the homework being submitted
​
chatId
string
The ID of the chat session created for this submission review
​
status
string
The current status of the submission. Possible values: ‘submitted’ (initial state), ‘reviewed’ (AI has reviewed), ‘approved’ (meets requirements), or ‘needs_revision’ (requires changes).
​
chatIframeUrl
string
URL for the chat interface
​
createdAt
string
Timestamp when the submission was created
​
analysis
string
AI analysis of the submission
​
grade
string
Grade assigned to the submission. Possible values: ‘A’, ‘B’, ‘C’, ‘D’, ‘E’, ‘F’.
{
  "id": "sub_123456789",
  "homeworkId": "123e4567-e89b-12d3-a456-426614174000",
  "chatId": "chat_987654321",
  "status": "submitted",
  "chatIframeUrl": "https://chat.lexiconlabs.ai/?chat_id=chat_987654321",
  "createdAt": "2023-07-15T14:32:17Z",
  "analysis": "",
  "grade": ""
}

​
Error Responses

Invalid input parameters
Invalid or missing API key
Homework not found
Processing error

​
Example Usage

​
cURL

curl -X POST "https://api.lexiconlabs.ai/v1/homeworks/123e4567-e89b-12d3-a456-426614174000/submissions" \
  -H "Content-Type: multipart/form-data" \
  -H "x-tenant-api-secret: YOUR_API_KEY" \
  -F "studentId=student123" \
  -F "files=@solution.py" \
  -F "files=@report.txt"

​
JavaScript

const formData = new FormData();
formData.append('studentId', 'student123');
formData.append('files', fileInput.files[0]);
formData.append('files', fileInput.files[1]);

// Replace with the actual homework UUID
const homeworkId = '123e4567-e89b-12d3-a456-426614174000';
fetch(`https://api.lexiconlabs.ai/v1/homeworks/${homeworkId}/submissions`, {
  method: 'POST',
  headers: {
    'x-tenant-api-secret': 'YOUR_API_KEY'
  },
  body: formData
})
.then(response => response.json())
.then(data => {
  const chatId = data.chatId;
  // Redirect to chat interface or embed iframe
  window.location.href = `https://chat.lexiconlabs.ai/?chat_id=${chatId}`;
})
.catch(error => console.error('Error:', error));