---
title: "Open Contract Window"
method: POST
path: "/ui/openwindow/contract"
tags: ["User Interface"]
---

# Open Contract Window

`POST /ui/openwindow/contract`

## Request

- Base URL: `https://esi.evetech.net`
- URL: `https://esi.evetech.net/ui/openwindow/contract`
- Auth: OAuth 2
  - Authorization code: `https://login.eveonline.com/v2/oauth/authorize`
  - Token URL: `https://login.eveonline.com/v2/oauth/token` scopes: `esi-ui.open_window.v1`
- TypeScript: <https://skmtc.dev/evemonk/apis/eve-stable-infrastructure-esi-tranquility/docs/ui/openwindow/contract/post.ts> (a function with typed inputs; its response is checked against the schema)

Open the contract window inside the client

## Query parameters

- `contract_id` integer, required: The contract to open

## Headers

- `Accept-Language` 'en' | 'de' | 'fr' | 'ja' | 'ru' | 'zh' | 'ko' | 'es'
- `If-None-Match` string
- `X-Compatibility-Date` '2025-12-16', date, required
- `X-Tenant` string

## Response `204`

Open window request received

## Other responses

- `default`: Error

---

[API](https://skmtc.dev/evemonk/apis/eve-stable-infrastructure-esi-tranquility.md) - [All operations](https://skmtc.dev/evemonk/apis/eve-stable-infrastructure-esi-tranquility/llms.txt) - [OpenAPI document](https://skmtc.dev/evemonk/apis/eve-stable-infrastructure-esi-tranquility/revisions/7bad2f0024dd?raw)