Guardian Life
The Guardian Life Insurance Company of America is one of the largest mutual life insurance companies in the United States, providing life insurance, disability income insurance, dental insurance, and other employee benefits. Guardian operates a partner developer portal, Guardian Connect, built on Apigee, exposing a catalog of group and retail insurance APIs covering evidence of insurability, member benefits enrollment, policy and plan configuration, group rating and quoting, dental provider directory and verification of benefits, underwriting data, and life illustration. The Member Benefits APIs implement the LIMRA Data Exchange (LDEx) Standards. Access is partner-gated: a partner agreement is established first, after which Guardian issues a registration code and partner key, and API keys are minted per partner app subject to administrator approval. Authentication is JWT with OpenID Connect login. No OpenAPI, Swagger, or other machine-readable contract is published publicly — the API reference sits behind partner login — so the APIs below are recorded from Guardian's own public catalog descriptions.
More than an index entry, but the surface is still mostly links rather than artifacts — the cohort most likely to move a full band from modest, well-targeted work.
API Evangelist profiles Guardian Life the way a machine reads it — 17 machine-readable artifacts across 15 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Guardian Life scores 17.4/100 (emerging), with a separate agent-readiness read of 0/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-09-08 · rubric v0.20.0
Put this on your own site. The badge is drawn live from Guardian Life's current Kin Score — paste it once and it updates itself every time the score is recomputed. It follows your visitor's light or dark setting, and it links back here so anyone who sees it can read the full breakdown.
<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/guardian-life/"
title="Guardian Life on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/guardian-life.svg"
alt="Guardian Life Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>[](https://providers.apievangelist.com/providers/guardian-life/)<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/guardian-life/"
title="Guardian Life on API Evangelist — API profile and Kin Score">
<img src="https://apis.io/badge/guardian-life/card.svg"
alt="Guardian Life Kin Score — API readiness rating by API Evangelist" width="340" height="120" loading="lazy">
</a>More shapes, themes and sizes → · Score as JSON · How badges work
How we profile Guardian Life
Each block below is one kind of artifact we hold for Guardian Life. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 15
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Evidence of Insurability (EOI) API
Secure, real-time EOI decisioning on a benefit technology partner's platform when required by an elected Guardian benefit. Employees required to submit EOI are presented the req...
Benefits API
Secure, real-time access to read and update employee and dependent benefit data. Once a Guardian policy is established, benefit technology partners use the Member Benefits API e...
Policy API
Secure, real-time access to Guardian benefit plan information including all of the insurance product rules, attributes, and rates required to configure a Guardian plan on a bene...
Retail Individual Products
Real-time quote and product info exposed through higher-level capabilities rather than lower-level APIs requiring intimate system knowledge, fronted by an orchestration layer so...
Group Rating & Quoting API
Secure, real-time access to request and retrieve a quote for Guardian products. The technology partner requests a quote for any product by supplying specific details regarding t...
HMB API
Create and access membership information for the HMB membership.
Underwriting Data Service
Centralized Underwriting Data API providing business and technical services for saving and retrieving underwriting data from the Centralized Underwriting Database. Services incl...
Group Dental Provider API
Returns a list of providers with location information for Group Commercial Dental Insurance.
GPS Illustration API
Generates illustrations for life insurance products.
Group Verification of Benefits API
Secure, real-time access to request provider benefits verification for members and dependents. The technology partner generates a request by supplying group policy number, patie...
Guardian eSuite Prefill API
Allows third parties such as agents and partners to securely send application prefill information related to a potential client's life or disability application, collected by th...
IBM FileNet Content Manager API
FileNet CM REST APIs allowing authorized external vendors and partners to add, search, retrieve, and update metadata of documents within the FileNet CM repository.
eOffer Policy External
API to post eOffer policy information.
Avantos to SmartOffice Contact Sync API
A Guardian Online (GOL) API that connects Avantos and SmartOffice to synchronize contact data and support SSN lookup for Avantos.
FINRA License Check API
Validates the regulatory licensing status of financial professionals or firms registered with the Financial Industry Regulatory Authority (FINRA), ensuring individuals or entiti...
Scroll within the panel for all 15 ·
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Guardian Life — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Access & Security 2
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
Company 4
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/guardian-life · machine-readable index on apis.io
This is an independent, third-party profile of Guardian Life, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.