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By: The ESI Development Team

Published: 2026-08-04

Military Campaigns on ESI: joining the war effort

Cradle of War brought Military Campaigns to New Eden: faction-wide efforts, built from objectives that any capsuleer can commit to and contribute to. Six new routes cover the state of every campaign in New Eden and your own part in it, while the static data export supplies the definitions behind those campaigns.

By: The ESI Development Team

Published: 2026-07-21

A splash of color: Corporation Palette and a few fresh fields

Corporations have a look: their logo, their colors, and the way they present themselves across New Eden. Up until now, only some of that information was available via ESI, so third-party tools were limited in displaying that identity.

By: The ESI Development Team

Published: 2026-07-14

Goodbye Swagger: removing the last remnants

It's time to kick off the removal of our remaining Swagger specs, completing the move to OpenAPI

By: The ESI Development Team

Published: 2026-06-09

Cradle of War on ESI: character titles and achievements

Cradle of War launches today, bringing Military Campaigns, new ships, starter space in Exordium, a new epic arc, and titles and achievements. Pursue new goals, track your progress with achievement scores, and unlock titles you can display across New Eden.

By: The ESI Development Team

Published: 2026-05-19

Equinox on ESI: structures, sovereignty, and access lists

Equinox reshaped nullsec — new structures, new colony resources, and a lot more. ESI is catching up. New routes cover the latest Upwell deployables, Access Lists get a read API, and sovereignty data is easier to work with than before. The static data export picks up a few related files as well.

By: The ESI Development Team

Published: 2026-04-02

Thinking too hard: rollback of the AI-powered fit recommendations

We’re rolling back the recently announced AI-powered fit recommendation route. GET `/fleets/{fleet_id}/recommended-fit` is no longer available as of the 2025-04-02 compatibility date.