---
title: "Data about which NPC factions are at war"
method: GET
path: "/fw/wars"
tags: ["Faction Warfare"]
---

# Data about which NPC factions are at war

`GET /fw/wars`

## Request

- Base URL: `https://esi.evetech.net`
- URL: `https://esi.evetech.net/fw/wars`
- Auth: none declared. Required headers: `X-Compatibility-Date`
- TypeScript: <https://skmtc.dev/evemonk/apis/eve-stable-infrastructure-esi-tranquility/docs/fw/wars/get.ts> (a function with typed inputs; its response is checked against the schema)

Data about which NPC factions are at war

This route expires daily at 11:05

## 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 `200`

OK

- object[]: List of factions at war
  - `against_id` integer, required: The faction ID of the enemy faction.
  - `faction_id` integer, required

## 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)