---
title: "Enhanced Ddy Endpoint"
method: POST
path: "/api/design-conditions/enhanced/ddy"
tags: ["Stations and data"]
---

# Enhanced Ddy Endpoint

`POST /api/design-conditions/enhanced/ddy`

## Request

- Base URL: `https://epw.tools`
- URL: `https://epw.tools/api/design-conditions/enhanced/ddy`
- Auth: none declared

The EPW.tools Enhanced DDY for a site: 1 credit (refunded automatically if it cannot be computed).

## Headers

- `X-API-Key` string, nullable

## Request body

- EnhancedDDYRequest
  - `lat` number, required
  - `lon` number, required
  - `elevation` number, nullable
  - `current_climate` boolean
  - `location_name` 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)