MassMutual website screenshot

MassMutual

MassMutual (Massachusetts Mutual Life Insurance Company) is a leading mutual life insurance company providing life insurance, disability income insurance, long-term care insurance, retirement and annuity products, and investment management services. This repository tracks publicly available APIs, developer tools, and machine-readable API artifacts associated with MassMutual.

MassMutual is profiled on the APIs.io network. Tagged areas include Annuities, Financial Services, Fortune 500, Insurance, and Investment Management.

🌐 Visit website 📡 Source on GitHub
8.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.5
0 APIs
AnnuitiesFinancial ServicesFortune 500InsuranceInvestment ManagementLife InsuranceRetirement

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · 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/mass-mutual: 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.

Mass Mutual Domain Security

TLSv1.3 · DMARC

SECURITY

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 4

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 About
About
 Careers
Careers

Source (apis.yml)

apis.yml Raw ↑ 
aid: mass-mutual
name: MassMutual
description: MassMutual (Massachusetts Mutual Life Insurance Company) is a leading mutual life insurance company providing
  life insurance, disability income insurance, long-term care insurance, retirement and annuity products, and investment management
  services. This repository tracks publicly available APIs, developer tools, and machine-readable API artifacts associated
  with MassMutual.
type: Index
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/mass-mutual.png
tags:
- Annuities
- Financial Services
- Fortune 500
- Insurance
- Investment Management
- Life Insurance
- Retirement
url: https://raw.githubusercontent.com/api-evangelist/mass-mutual/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-04-28'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/mass-mutual-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/massmutual
- type: LinkedIn
  url: https://www.linkedin.com/company/massmutual-financial-group
- type: Website
  url: https://www.massmutual.com
- type: About
  url: https://www.massmutual.com/about-us
- type: Careers
  url: https://www.massmutual.com/about-us/careers
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com