---
title: "Extract Schema"
method: POST
path: "/api/excel/extract-schema"
tags: ["Excel Processing"]
---

# Extract Schema

`POST /api/excel/extract-schema`

Extract field schema from Excel file using AI-powered analysis.
Uses Claude Haiku to detect headers in any row, handles sparse sheets,
formulas, and complex layouts.

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/qomplement/apis/fastapi.md) · [All operations](https://skmtc.net/qomplement/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/qomplement/fastapi/revisions/718de1c0d866/schema)