aid: msci
url: https://raw.githubusercontent.com/api-evangelist/msci/refs/heads/main/apis.yml
name: MSCI
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/msci.png
description: >-
  MSCI is a leading provider of critical decision support tools and services for
  the global investment community, publishing indexes, ESG and climate ratings,
  risk analytics, and real estate and private asset data. The MSCI Developer
  Community at developer.msci.com catalogs thirty-plus REST APIs spanning index
  performance and constituents, ESG data and reports, sustainability and
  climate on-demand data, risk and instrument analytics, portfolio optimization,
  real estate performance, and private capital metrics, alongside an official
  Python SDK and the MSCI Connector, a Model Context Protocol server listed in
  the Claude connector directory.
created: '2026-05-05'
modified: '2026-07-22'
specificationVersion: '0.19'
tags:
  - Financial Data
  - Indexes
  - ESG
  - Climate
  - Risk Analytics
  - Real Estate
  - Private Assets
  - Investing
maintainers:
  - FN: MSCI Client Service
    email: ClientService@msci.com
apis:
  - name: MSCI Index API
    description: >-
      REST APIs for MSCI index data including index levels and performance,
      constituents, security master, dividends, and corporate events for MSCI
      indexes across supported variants and currencies.
    humanURL: https://developer.msci.com/apis/index-api
    baseURL: https://api.msci.com/index
    tags:
      - Indexes
      - Performance
      - Constituents
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/index-api
  - name: MSCI Real Time Index API
    description: >-
      Real-time index and factor data API delivering intraday index levels for
      MSCI indexes.
    humanURL: https://developer.msci.com/apis/index-rt-api-dev-index-rt-factor-api-v1-0
    baseURL: https://api2.msci.com
    tags:
      - Indexes
      - Real Time
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/index-rt-api-dev-index-rt-factor-api-v1-0
  - name: MSCI ESG Data API
    description: >-
      Retrieve current day and historical ESG data for entitled issuers,
      providing access to thousands of ESG data points including MSCI ESG
      Ratings and underlying raw data.
    humanURL: https://developer.msci.com/apis/esg-data-api-v3-0
    baseURL: https://api2.msci.com/esg/data/v3.0
    tags:
      - ESG
      - Ratings
      - Issuers
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/esg-data-api-v3-0
  - name: MSCI ESG Report API
    description: >-
      Access ESG documents and reports for companies, funds, and industries as
      PDF and HTML documents.
    humanURL: https://developer.msci.com/apis/esg-report-api-v2-0
    baseURL: https://api2.msci.com
    tags:
      - ESG
      - Reports
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/esg-report-api-v2-0
  - name: MSCI Sustainability and Climate On-Demand API
    description: >-
      On-demand access to MSCI sustainability and climate datasets, including
      climate metrics for portfolio and issuer analysis.
    humanURL: https://developer.msci.com/apis/sustainability-climate-on-demand-api
    baseURL: https://api2.msci.com
    tags:
      - Sustainability
      - Climate
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/sustainability-climate-on-demand-api
  - name: MSCI Risk Analytics API
    description: >-
      RiskMetrics RiskManager-based analytics APIs for risk measurement,
      stress testing, and exposure analysis across portfolios.
    humanURL: https://developer.msci.com/apis/risk-analytics
    baseURL: https://api2.msci.com
    tags:
      - Risk
      - Analytics
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/risk-analytics
  - name: MSCI Instrument Analytics API
    description: >-
      Instrument-level analytics API for pricing and risk measures across asset
      classes using MSCI models.
    humanURL: https://developer.msci.com/apis/instrument-analytics-api
    baseURL: https://api2.msci.com
    tags:
      - Analytics
      - Instruments
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/instrument-analytics-api
  - name: MSCI Optimization Service API
    description: >-
      Portfolio optimization service from MSCI Quantitative Investment
      Solutions supporting portfolio and tax-lot upload in JSON and tax-aware
      optimizations; accessible through the official MSCI Python SDK.
    humanURL: https://developer.msci.com/apis/msci-optimization-service
    baseURL: https://api2.msci.com
    tags:
      - Optimization
      - Portfolios
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/msci-optimization-service
      - type: SDK
        url: https://pypi.org/project/msci-sdk/
  - name: MSCI Real Estate Performance and Risk Data API
    description: >-
      Real estate index and market data API covering property fund and asset
      performance and risk data across global markets.
    humanURL: https://developer.msci.com/apis/real-estate-performance-risk-data-api
    baseURL: https://api2.msci.com
    tags:
      - Real Estate
      - Performance
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/real-estate-performance-risk-data-api
  - name: MSCI Private Asset and Deal Metrics API
    description: >-
      Private capital data API providing asset and deal-level metrics for
      private asset funds and portfolios.
    humanURL: https://developer.msci.com/apis/private-asset-and-deal-metrics-api
    baseURL: https://api2.msci.com
    tags:
      - Private Assets
      - Metrics
    properties:
      - type: Documentation
        url: https://developer.msci.com/apis/private-asset-and-deal-metrics-api
common:
  - type: LinkedIn
    url: https://www.linkedin.com/company/msci-inc
  - type: Website
    url: https://www.msci.com
  - type: DeveloperPortal
    url: https://developer.msci.com
  - type: Documentation
    url: https://developer.msci.com/apis
  - type: APIReference
    url: https://developer.msci.com/apis
  - type: Support
    url: https://support.msci.com
  - type: Login
    url: https://one.msci.com
  - type: TermsOfService
    url: https://www.msci.com/terms-of-use
  - type: PrivacyPolicy
    url: https://www.msci.com/privacy-pledge
  - type: Packages
    url: packages/msci-packages.yml
  - type: SDKs
    url: packages/msci-packages.yml
  - type: WellKnown
    url: well-known/msci-well-known.yml
  - type: MCPServer
    url: mcp/msci-mcp.yml
  - type: LLMsTxt
    url: llms/msci-llms.txt
  - type: Conformance
    url: conformance/msci-conformance.yml
  - type: Authentication
    url: authentication/msci-authentication.yml
  - type: Lifecycle
    url: lifecycle/msci-lifecycle.yml
  - type: DomainSecurity
    url: security/msci-domain-security.yml