Cincinnati Financial website screenshot

Cincinnati Financial

Cincinnati Financial Corporation (NASDAQ: CINF) is a property and casualty insurance holding company in Fairfield, Ohio, whose subsidiaries — The Cincinnati Insurance Company, The Cincinnati Indemnity Company, The Cincinnati Casualty Company, The Cincinnati Specialty Underwriters Insurance Company and The Cincinnati Life Insurance Company — market business, home, auto and life insurance plus fixed annuities exclusively through independent insurance agencies. Cincinnati Insurance does run an API program for integration partners: it publishes an API Terms and Conditions Agreement licensing "the Cincinnati Insurance APIs" and charges no fee at present. But that agreement is a legal instrument only — it names no protocol, endpoint or auth scheme, and the per-API "API Policy" it incorporates by reference is never published. Access starts with an acceptance form, after which Cincinnati contacts the applicant; there is no developer portal, public reference or machine-readable contract.

Cincinnati Financial is profiled on the APIs.io network. Tagged areas include Auto Insurance, Business Insurance, Financial-Services, Home Insurance, and Independent Agency.

Cincinnati Financial’s developer surface includes support, FAQ, engineering blog, signup flow, and 20 more developer resources.

15.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0
AccessFree
0 APIs
Auto InsuranceBusiness InsuranceFinancial-ServicesHome InsuranceIndependent AgencyInsuranceLife InsuranceNo Public APIProperty CasualtyFortune 1000

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0
Regulatory Posture applies to this provider. Its tags matched the Insurance regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.
The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/cincinnati-financial: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Security Posture 2

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

Cincinnati Financial Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Cincinnati Financial Vulnerability Disclosure

security.txt · contact published

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Cincinnati Financial Reports Second-Quarter 2025 Results

2026-05-25

Cincinnati Financial shareholders reelect board - CINF

2026-05-25

Cincinnati Financial Reports Fourth-Quarter and Full-Year ...

2026-05-25

cinf-20260502

2026-05-25

News Releases

2026-05-25

Resources

Get Started 2

Portal, sign-up, and the first successful call

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 4

Authentication, authorization, and security posture

Operate 4

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 4

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: cincinnati-financial
name: Cincinnati Financial
description: 'Cincinnati Financial Corporation (NASDAQ: CINF) is a property and casualty insurance holding company in Fairfield,
  Ohio, whose subsidiaries — The Cincinnati Insurance Company, The Cincinnati Indemnity Company, The Cincinnati Casualty Company,
  The Cincinnati Specialty Underwriters Insurance Company and The Cincinnati Life Insurance Company — market business, home,
  auto and life insurance plus fixed annuities exclusively through independent insurance agencies. Cincinnati Insurance does
  run an API program for integration partners: it publishes an API Terms and Conditions Agreement licensing "the Cincinnati
  Insurance APIs" and charges no fee at present. But that agreement is a legal instrument only — it names no protocol, endpoint
  or auth scheme, and the per-API "API Policy" it incorporates by reference is never published. Access starts with an acceptance
  form, after which Cincinnati contacts the applicant; there is no developer portal, public reference or machine-readable
  contract.'
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: free
  onboarding: request
  trial: false
  try_now: false
  public: false
  label: No fee at present, but access is granted only after a named individual at a named organization accepts the API Terms
    and Conditions Agreement and Cincinnati responds.
  confidence: medium
  source:
  - https://www.cinfin.com/legal/api-terms-conditions-acceptance
  - https://edge.sitecorecloud.io/cincinna-x33xq9h6/media/Project/Cincinnati-Financial/CinFin/Files/api-terms-conditions.pdf
  generated: '2026-09-05'
  method: searched
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cincinnati-financial.png
url: https://raw.githubusercontent.com/api-evangelist/cincinnati-financial/refs/heads/main/apis.yml
type: Index
access: Private
position: Consuming
tags:
- Auto Insurance
- Business Insurance
- Financial-Services
- Home Insurance
- Independent Agency
- Insurance
- Life Insurance
- No Public API
- Property Casualty
- Fortune 1000
tags_raw:
- Auto Insurance
- Business Insurance
- Financial Services
- Home Insurance
- Independent Agency
- Insurance
- Life Insurance
- No Public API
- Property Casualty
- Fortune 1000
created: '2025-02-21'
modified: '2026-09-05'
specificationVersion: '0.23'
apis: []
common:
- type: VulnerabilityDisclosure
  url: security/cincinnati-financial-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/cincinnati-financial-domain-security.yml
- type: Website
  url: https://www.cinfin.com/
- type: About
  url: https://www.cinfin.com/about-us
- type: AgentLocator
  url: https://www.cinfin.com/cincinnati-insurance-agents
- type: PolicyholderPortal
  url: https://onlineservice.cinfin.com/b2c/Account_Self_Service/Login.aspx
- type: MobileApp
  url: https://www.cinfin.com/mobile
- type: Claims
  url: https://www.cinfin.com/contact-us/claims
- type: Support
  url: https://www.cinfin.com/contact-us/online-services-support
- type: FAQ
  url: https://www.cinfin.com/contact-us/faq
- type: Accessibility
  url: https://www.cinfin.com/legal-footer/accessibility
- type: Contact
  url: https://www.cinfin.com/contact-us
- type: WellKnown
  url: well-known/cincinnati-financial-well-known.yml
- type: SecurityTxt
  url: well-known/cincinnati-financial-security.txt
- type: Security
  url: security/cincinnati-financial-vulnerability-disclosure.yml
- type: Plans
  url: plans/cincinnati-financial-plans-pricing.yml
- type: RateLimits
  url: rate-limits/cincinnati-financial-rate-limits.yml
- type: Conformance
  url: conformance/cincinnati-financial-conformance.yml
- type: Packages
  url: packages/cincinnati-financial-packages.yml
- type: LLMsTxt
  url: llms/cincinnati-financial-llms.txt
- type: TermsOfService
  url: https://www.cinfin.com/legal-footer/terms-conditions
- type: PrivacyPolicy
  url: https://www.cinfin.com/legal-footer/privacy-policy
- type: Blog
  url: https://blog.cinfin.com/
- type: SignUp
  url: https://www.cinfin.com/legal/api-terms-conditions-acceptance
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-09-05'
  status: minimal
  artifacts_added: 7
  pass: local-v3
x-coverage:
  state: gated
  reason: sales-gate
  detail: Cincinnati Insurance does run an API program — it publishes an API Terms and Conditions Agreement licensing "the
    Cincinnati Insurance APIs" and charges no fee for them — but the only public page in its 231-URL sitemap that touches
    the program is an acceptance form that collects name, email, title and organization behind a reCAPTCHA and answers "We'll
    be in contact with you shortly"; the per-API "API Policy" documentation the agreement incorporates by reference nine times
    is never published, and no OpenAPI, reference, base URL or auth scheme is reachable anonymously on any cinfin.com host.
  evidence:
  - url: https://www.cinfin.com/legal/api-terms-conditions-acceptance
    status: 200
  - url: https://edge.sitecorecloud.io/cincinna-x33xq9h6/media/Project/Cincinnati-Financial/CinFin/Files/api-terms-conditions.pdf
    status: 200
  - url: https://cincilink.cinfin.com/
    status: 302
  - url: https://www.cinfin.com/llms.txt
    status: 404
  - url: https://api.cinfin.com/openapi.json
    status: 0
  checked: '2026-09-05'

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