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OpenAPI Specification
openapi: 3.2.0
info:
title: Unum HR Connect Authentication Enrollment API
description: The Unum HR Connect API provides a secure, real-time connection between Unum benefits and major HR platforms including Workday, ADP, and UKG. It automates eligibility checks, evidence of insurability (EOI) processing, premium billing calculations, leave and absence management, and enrollment data synchronization for employers and HR technology partners.
version: '1.0'
contact:
name: Unum Developer Support
url: https://developer.unum.com/s/
termsOfService: https://www.unum.com/legal
servers:
- url: https://api.unum.com/v1
description: Unum Production API
security:
- OAuth2:
- eligibility:read
- enrollment:read
- leave:read
- eoi:read
- billing:read
tags:
- name: Enrollment
description: Benefits enrollment and lifecycle management
paths:
/enrollment/elections:
get:
operationId: listEnrollmentElections
summary: List Enrollment Elections
description: Retrieve a list of benefit enrollment elections for a group.
tags:
- Enrollment
parameters:
- name: groupId
in: query
required: true
schema:
type: string
description: Employer group identifier
- name: planYear
in: query
schema:
type: integer
description: Plan year (e.g., 2026)
- name: page
in: query
schema:
type: integer
default: 1
- name: limit
in: query
schema:
type: integer
default: 100
responses:
'200':
description: List of enrollment elections
content:
application/json:
schema:
$ref: '#/components/schemas/EnrollmentElectionList'
'401':
$ref: '#/components/responses/Unauthorized'
post:
operationId: submitEnrollmentElection
summary: Submit Enrollment Election
description: Submit a new benefit enrollment election for a member.
tags:
- Enrollment
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/EnrollmentElectionRequest'
responses:
'201':
description: Enrollment election submitted
content:
application/json:
schema:
$ref: '#/components/schemas/EnrollmentElection'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
/enrollment/elections/{electionId}:
get:
operationId: getEnrollmentElection
summary: Get Enrollment Election
description: Retrieve details of a specific enrollment election.
tags:
- Enrollment
parameters:
- name: electionId
in: path
required: true
schema:
type: string
description: Enrollment election identifier
responses:
'200':
description: Enrollment election details
content:
application/json:
schema:
$ref: '#/components/schemas/EnrollmentElection'
'401':
$ref: '#/components/responses/Unauthorized'
'404':
$ref: '#/components/responses/NotFound'
components:
schemas:
BenefitElection:
type: object
properties:
productType:
type: string
enum:
- disability
- life
- dental
- vision
- critical-illness
- accident
planCode:
type: string
coverageLevel:
type: string
enum:
- employee-only
- employee-spouse
- employee-children
- family
benefitAmount:
type: number
format: double
waived:
type: boolean
default: false
EnrollmentElection:
type: object
properties:
electionId:
type: string
memberId:
type: string
groupId:
type: string
planYear:
type: integer
elections:
type: array
items:
$ref: '#/components/schemas/BenefitElection'
status:
type: string
enum:
- pending
- confirmed
- cancelled
submittedAt:
type: string
format: date-time
effectiveDate:
type: string
format: date
EnrollmentElectionRequest:
type: object
required:
- memberId
- groupId
- planYear
- elections
properties:
memberId:
type: string
groupId:
type: string
planYear:
type: integer
elections:
type: array
items:
$ref: '#/components/schemas/BenefitElection'
effectiveDate:
type: string
format: date
EnrollmentElectionList:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/EnrollmentElection'
total:
type: integer
page:
type: integer
limit:
type: integer
Error:
type: object
properties:
code:
type: string
description: Error code
message:
type: string
description: Human-readable error message
details:
type: array
items:
type: object
properties:
field:
type: string
message:
type: string
responses:
BadRequest:
description: Invalid request parameters
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
Unauthorized:
description: Authentication credentials missing or invalid
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
NotFound:
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
securitySchemes:
OAuth2:
type: oauth2
flows:
clientCredentials:
tokenUrl: https://api.unum.com/v1/oauth/token
scopes:
eligibility:read: Read member eligibility
eligibility:write: Write member eligibility
enrollment:read: Read enrollment elections
enrollment:write: Write enrollment elections
leave:read: Read leave requests
leave:write: Write leave requests
eoi:read: Read EOI submissions
eoi:write: Write EOI submissions
billing:read: Read billing invoices