---
title: "Validate Compare"
method: POST
path: "/api/validate/compare"
tags: ["Validation and QC"]
---

# Validate Compare

`POST /api/validate/compare`

## Request

- Base URL: `https://epw.tools`
- URL: `https://epw.tools/api/validate/compare`
- Auth: none declared

Compare an uploaded reference EPW against a freshly generated EPW.
Parses lat/lon/year from the EPW header if not provided.
Returns a job_id for polling.

## Headers

- `X-API-Key` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/epw/apis/epw-tools-api.md) · [All operations](https://skmtc.dev/epw/apis/epw-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/epw/apis/epw-tools-api/revisions/e6b60fc7a6d7?raw)