OneShield

OneShield Software provides core insurance platform solutions for property and casualty (P&C) insurers, managing general agents (MGAs), program administrators, and insurance startups. Its two platforms — OneShield Enterprise, a comprehensive cloud/SaaS core suite, and OneShield Market Solutions (OMS), a preconfigured SaaS offering — cover policy administration, billing, claims, rating, product configuration, relationship management, business intelligence, and analytics across more than 90 lines of business. OneShield exposes RESTful and SOAP integration services (XML/JSON) through its Services Designer and OMS API integration suite, but publishes no public developer portal or OpenAPI; API access is provisioned to customers and implementation partners. Headquartered in Marlborough, Massachusetts with offices in India, OneShield is backed by investors including Bain Capital and Earlybird Venture Capital.

OneShield is profiled on the APIs.io network. Tagged areas include Company, Insurance, InsurTech, Property and Casualty, and Policy Administration.

OneShield’s developer surface includes engineering blog, support, signup flow, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
14.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyInsuranceInsurTechProperty and CasualtyPolicy AdministrationBillingClaimsCore SystemsSaaSMGA

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 14.1/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 4.7 / 20
Operational Transparency 0.0 / 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/oneshield: 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.

Oneshield Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

SignUp
SignUp

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

Website
Website
 About
About
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: oneshield
name: OneShield
description: OneShield Software provides core insurance platform solutions for property and casualty (P&C) insurers, managing
  general agents (MGAs), program administrators, and insurance startups. Its two platforms — OneShield Enterprise, a comprehensive
  cloud/SaaS core suite, and OneShield Market Solutions (OMS), a preconfigured SaaS offering — cover policy administration,
  billing, claims, rating, product configuration, relationship management, business intelligence, and analytics across more
  than 90 lines of business. OneShield exposes RESTful and SOAP integration services (XML/JSON) through its Services Designer
  and OMS API integration suite, but publishes no public developer portal or OpenAPI; API access is provisioned to customers
  and implementation partners. Headquartered in Marlborough, Massachusetts with offices in India, OneShield is backed by investors
  including Bain Capital and Earlybird Venture Capital.
url: https://raw.githubusercontent.com/api-evangelist/oneshield/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- earlybird
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
image: https://oneshield.com/wp-content/uploads/2022/10/OS_logo_new.svg
tags:
- Company
- Insurance
- InsurTech
- Property and Casualty
- Policy Administration
- Billing
- Claims
- Core Systems
- SaaS
- MGA
apis: []
common:
- type: DomainSecurity
  url: security/oneshield-domain-security.yml
- type: LLMsTxt
  url: llms/oneshield-llms.txt
- type: Website
  url: https://oneshield.com/
- type: About
  url: https://oneshield.com/about/
- type: Blog
  url: https://oneshield.com/knowledge-hub/
- type: Support
  url: https://oneshield.com/services/support/
- type: PrivacyPolicy
  url: https://oneshield.com/privacy-policy/
- type: SignUp
  url: https://oneshield.com/os-demo/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 2
  pass: local-v1