Get Started

Create your application now

  • Develop with CREST and ESI
  • Submit your applications to CCP
Manage Applications

Third Party Developer Blog rss


A Eulogy for XML & CREST

18 months ago we announced both ESI and our intention to retire the XML API and CREST by May 8th, 2018. This is a reminder that this retirement date is finally upon us! Tomorrow after downtime both CREST and XML API will not be usable anymore. This means any software you are using that has not moved to ESI will stop working. If you need to find an alternative to your favorite XML or CREST-only tools you can have a look at this curated list of EVE third-party software read more


ESI ETag Best Practices

o7 Space Friends, CCP SnowedIn coming at ya with a blog detailing a recent change to ESI response headers. As some of you have already noticed (especially if you follow me on twitter, which you should), ESI now returns an ETag header in every response. This blog is to detail exactly what this means, and how you can use this in your applications to save yourself (and us) some bandwidth. What are ETags? Entity Tags are described in RFC7232. ESI strives to follow this RFC, and any violations ... read more


ESI Chat Channel Deprecation

ESI Chat Channel Deprecation Ever since EVE's new chat backend was released on March 20th the ESI route /v1/characters/{character_id}/chat_channels/ has been returning stale data. It has been decided to officially deprecate this route, meaning that it will be labelled as "legacy" and start returning deprecation headers. This endpoint will then be removed completely on May 18th, 2018. When will chat channel functionality be returning to ESI? At this point in time there is no ETA on the return of chat functionality in ESI or even what form it will take. All that ... read more