POST /api/v1/study/explain_backs/:id/responses

Submit an explain-back response

Submits a student’s answer to a question and returns the grade. Provide either a recorded audio file (multipart — we transcribe it) or a typed transcript.

Parameters

Name	Type	Required	Description
`audio`	file	one of	Recorded answer (multipart/form-data); sniffed and transcribed
`transcript`	string	one of	Typed answer (use instead of audio)

Returns

The grade: band (correct/partial/incorrect), score (0–1), reason, the scored transcript, point-by-point points, strengths, the rubric key_points, and the model_answer.

cURL

curl -X POST "https://ai.intu.com.au/api/v1/study/explain_backs/e1f2a3b4-.../responses" \
  -H "Authorization: Token token=sk_intu_api_<your_api_key>" \
  -F "audio=@answer.webm"

Response

{
  "item_id": "e1f2a3b4-...",
  "band": "partial",
  "score": 0.6,
  "reason": "You're on the right track, but some key ideas are missing.",
  "transcript": "Crossing over swaps bits of chromosomes ...",
  "points": [{ "point": "Occurs during meiosis I", "status": "covered" }],
  "strengths": ["Correctly identified the exchange of segments"],
  "key_points": ["Homologous chromosomes pair", "Segments are exchanged", "Creates new allele combinations"],
  "model_answer": "Crossing over occurs in prophase I of meiosis, when ..."
}