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Dev Insights Blog

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By: The ESI Development Team

Published: 2026-07-21

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

Hello spacefriends,

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.

Starting from the 2026-07-21 compatibility date, the public route GET /corporations/{corporation_id} gains a Corporation Palette, plus a handful of smaller additions. You can explore the full schema and field definitions in the API Explorer.

Corporation Palette

The new palette field exposes the colors a corporation uses for its identity. If you build corporation pages, killboards, recruitment tools, or intel dashboards, you can now render a corporation in its own colors instead of a generic default.

A few extra fields

Since we were already working on this route, we took the chance to round it out:

  • lp_tax_rate — the corporation's loyalty point tax rate, alongside the ISK tax rate that was already there.

  • type — whether the corporation is npc_owned or player_owned. No more guessing based on ID ranges or other heuristics.

  • friendly_fire — whether friendly fire is legal within the corporation.

  • state — indicates whether a corporation is closed. Handy for filtering out corporations that are no longer active.

Worth a closer look

A couple of these are changes to existing behavior, so give them a quick read if you consume this route today:

  • ceo_id and creator_id are now omitted when there is no CEO or creator, instead of returning the placeholder value 1. If your code special-cased 1, you can drop that and simply check whether the field is present.

  • faction_id is renamed to enlisted_faction_id. The old name was easy to misread — this field is about which faction the corporation is enlisted with for Factional Warfare, and the new name says exactly that.

Wrapping up

These small additions make the Corporation Detail route more complete and a little more colorful. The API Explorer is the source of truth for the exact field names and shapes.

As always, questions and feedback are welcome on the official EVE Online Discord in #3rd-party-dev-and-esi-chat.

Cheers,

Your friendly developers of the EVE Swatch Illustrators (working title)