---
title: "Diagnostic surfaces (streaming NDJSON)"
method: POST
path: "/v1/assist/diagnose/stream"
---

# Diagnostic surfaces (streaming NDJSON)

`POST /v1/assist/diagnose/stream`

## Request

- Base URL: `https://api.askmarcel.app`
- URL: `https://api.askmarcel.app/v1/assist/diagnose/stream`
- Auth: one of:
  - API key in header `X-AM-Key`
  - HTTP bearer

Même entrée que /v1/assist/diagnose — chunks typés + chunk final validé.

## Response `200`

application/x-ndjson

---

[API](https://skmtc.dev/askmarcel/apis/askmarcel-api.md) · [All operations](https://skmtc.dev/askmarcel/apis/askmarcel-api/llms.txt) · [OpenAPI document](https://skmtc.dev/askmarcel/apis/askmarcel-api/revisions/6865e207410e?raw)