# CCP Games — EVE Swagger Interface (ESI)

> CCP Games is the studio behind EVE Online, a single-shard massively multiplayer space sandbox. Its public developer API, the EVE Swagger Interface (ESI), exposes ~197 operations across 31 domains (character, corporation, alliance, market, industry, universe, fleets, mail, and more) reading from and writing to the live Tranquility server. ESI is secured with EVE SSO (OAuth 2.0 / OpenID Connect) using fine-grained per-scope consent and is governed by a free third-party Developer License Agreement.

This llms.txt was generated by the API Evangelist enrichment pipeline from the provider's public artifacts.

## API

- [EVE Swagger Interface (ESI)](https://developers.eveonline.com/): Public REST API for EVE Online player and universe data. Base URL https://esi.evetech.net.

## Specs

- [OpenAPI 3.1 (ESI, Tranquility)](https://esi.evetech.net/meta/openapi.json): Full machine-readable description, 182 paths / 197 operations / 70 OAuth scopes.
- [Local copy](openapi/ccp-games-esi-openapi-original.json): Harvested OpenAPI 3.1 description.

## Authentication

- [EVE SSO overview](https://docs.esi.evetech.net/docs/sso/): OAuth 2.0 authorization-code + PKCE on login.eveonline.com.
- [OAuth authorization server metadata](https://login.eveonline.com/.well-known/oauth-authorization-server)
- [OpenID configuration](https://login.eveonline.com/.well-known/openid-configuration)
- [Scopes reference](scopes/ccp-games-scopes.yml): 70 esi-*.v1 scopes.
- [Authentication profile](authentication/ccp-games-authentication.yml)

## Docs

- [ESI documentation](https://docs.esi.evetech.net/)
- [ESI introduction / getting started](https://docs.esi.evetech.net/docs/esi_introduction.html)
- [Best practices](https://docs.esi.evetech.net/docs/best_practices.html)
- [Guidelines (versioning & deprecation)](https://docs.esi.evetech.net/docs/guidelines.html)
- [Interactive API reference (Swagger UI)](https://esi.evetech.net/ui/)
- [Developer blog / changelog](https://developers.eveonline.com/blog)
- [Developer License Agreement](https://developers.eveonline.com/license-agreement)

## Conventions & Operations

- [API conventions](conventions/ccp-games-conventions.yml): caching, pagination, error-limit budget, versioning, user-agent.
- [Error catalog](errors/ccp-games-problem-types.yml)
- [Lifecycle & deprecation](lifecycle/ccp-games-lifecycle.yml)
- [Changelog](changelog/ccp-games-changelog.yml)
- [Data model](data-model/ccp-games-data-model.yml)

## Security

- [security.txt](https://www.eveonline.com/.well-known/security.txt)
- [Responsible disclosure policy](https://www.eveonline.com/article/responsible-disclosure-reporting-security-issues)