generated: '2026-07-22' method: derived source: https://developer.msci.com/content/sitemap.txt versioning: scheme: uri-path evidence: >- API catalog entries and live endpoints carry explicit versions in the URI path (esg/data/v3.0, controltowerservice/v2.0, ESG Report API v2.0, Fixed Basket Index API v2.1, Dynamic Basket Index API v2.0, Factor Insights v3.1, Instant Calculation Service v1.0, Security Analyzer v1.2), with multiple majors of the same API published side by side (ESG Data API v2.0 on api.msci.com and v3.0 on api2.msci.com both live). environments: - name: production hosts: [api.msci.com, api2.msci.com] - name: uat hosts: [uat-api2.msci.com] evidence: referenced in the developer portal application configuration - name: test hosts: [test-api2.msci.com] evidence: referenced in the developer portal application configuration status_page: null deprecation: policy_url: null note: no public deprecation policy or Sunset header documentation found; API detail pages are login-gated sla: null notes: >- status.msci.com does not resolve; no public status page was found. Lifecycle detail beyond URI versioning and the published environment tiers requires an MSCI client login.