overlay: 1.0.0 info: title: API Evangelist enhancements for EGYM Canonical GroupX Classes API version: 1.0.0 extends: openapi/egym-canonical-groupx-classes-openapi.yml x-generated: '2026-08-12' x-method: generated x-source: openapi/egym-canonical-groupx-classes-openapi.yml (harvested verbatim from developer.egym.com/_spec/) actions: - target: $.info update: x-apievangelist-provider: egym x-apievangelist-api: canonical-groupx-classes x-apievangelist-harvested: '2026-08-12' x-apievangelist-source: https://developer.egym.com/ x-apievangelist-upstream-version: '1.0' x-apievangelist-kind: blueprint — a contract EGYM asks MMS vendors to IMPLEMENT on their own host, not an API EGYM operates x-apievangelist-server-note: servers[] is the placeholder https://example.org//group-classes/v1.0 because the partner supplies the host x-apievangelist-gap: 422 responses declare cause/reason semantics in prose but attach no schema and no media type - target: $ update: x-apievangelist-artifacts: authentication: authentication/egym-authentication.yml conventions: conventions/egym-conventions.yml errors: errors/egym-problem-types.yml lifecycle: lifecycle/egym-lifecycle.yml data_model: data-model/egym-data-model.yml mcp: mcp/egym-mcp.yml