Marsh & McLennan

Marsh & McLennan Companies is a global professional services firm offering clients advice and solutions in risk, strategy, and people through Marsh, Guy Carpenter, Mercer, and Oliver Wyman. The firm does not currently publish a public developer portal or self-service APIs; data exchange with clients is conducted through engagement-specific integrations.

Marsh & McLennan is profiled on the APIs.io network. Tagged areas include Fortune 500, Insurance, Risk Management, Consulting, and Professional Services.

🌐 Visit website 📡 Source on GitHub
8.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
Fortune 500InsuranceRisk ManagementConsultingProfessional Services

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 8.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/marsh-and-mclennan: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Marsh And Mclennan Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Search

2026-05-25

AI in Insurance: Changing the Industry | MMA

2026-05-25

Marsh McLennan launches AI tool

2026-05-25

Marsh Global

2026-05-25

Marsh & McLennan's's Glaser: Artificial Intelligence Should ...

2026-05-25

Resources

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: marsh-and-mclennan
name: Marsh & McLennan
description: Marsh & McLennan Companies is a global professional services firm offering clients advice and solutions in risk,
  strategy, and people through Marsh, Guy Carpenter, Mercer, and Oliver Wyman. The firm does not currently publish a public
  developer portal or self-service APIs; data exchange with clients is conducted through engagement-specific integrations.
kind: company
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/marsh-and-mclennan.png
url: https://raw.githubusercontent.com/api-evangelist/marsh-and-mclennan/refs/heads/main/apis.yml
tags:
- Fortune 500
- Insurance
- Risk Management
- Consulting
- Professional Services
created: '2026-03-21'
modified: '2026-04-28'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/marsh-and-mclennan-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/MarshMcLennan
- type: Website
  url: https://www.mmc.com
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com