Grade a PDF Quiz Submission — POST /api/v3/quiz/grade

POST /api/v3/quiz/pdf-quizzes/grade/{grade_id}

curl -X POST https://app.example.com/api/v3/quiz/pdf-quizzes/grade/15 \
  -H "Authorization: Bearer your-admin-token" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{"grade": 85, "total_grade": 100}'

{
  "status": true,
  "message": "Grade Saved Successfully"
}

{
  "message": "Invalid Data",
  "errors": {
    "grade": ["The grade field is required."]
  }
}