---
title: "Start Engineering Extraction"
method: POST
path: "/extract/engineering"
tags: ["Usage"]
---

# Start Engineering Extraction

`POST /extract/engineering`

## Request body

- EngineeringExtractRequest
  - `url` string, nullable
  - `source_id` string, nullable
  - `page_range` string, nullable
  - `accuracy_mode` string

## Response `202`

Successful Response

- EngineeringExtractResponse
  - `id` string, required
  - `status` string, required
  - `progress` integer
  - `type` string
  - `accuracy_mode` string
  - `url` string, nullable
  - `source_display_name` string, nullable
  - `page_range` string, nullable
  - `result` object, nullable
  - `page_count` integer
  - `error` string, nullable
  - `chat_messages` object[]
  - `created_at` string, required
  - `updated_at` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/trynia/apis/nia-ai-api.md) · [All operations](https://skmtc.net/trynia/apis/nia-ai-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/trynia/nia-ai-api/versions/d216ffc3efb6/schema)