Duo Security Groups API

openapi: 3.1.0
info:
  title: Duo Admin Bulk Groups API
  description: The Duo Admin API provides programmatic access to the administrative functionality of Duo Security for managing
    users, groups, phones, hardware tokens, WebAuthn credentials, integrations, and bypass codes. Requests are authenticated
    using HMAC-SHA1 signed HTTP Basic credentials derived from your integration key and secret key.
  version: v1
  contact:
    name: Duo Security
    url: https://duo.com/docs/adminapi
  x-provenance:
    method: derived
    authored_by: API Evangelist
    derived_on: '2026-08-19'
    first_party: false
    provider_published: false
    source: Modelled from the provider's public HTML documentation.
    note: 'Not published by the provider. Probed 2026-08-19: no anonymously fetchable first-party contract. api.duosecurity.com
      answers 200 with an identical 130,977-byte HTML shell for invented paths — a soft 404, not a spec.'
servers:
- url: https://api-XXXXXXXX.duosecurity.com
  description: Duo Admin API host (replace XXXXXXXX with your tenant identifier)
security:
- basicAuth: []
tags:
- name: Groups
  description: Group management and membership
paths:
  /admin/v1/users/{user_id}/groups:
    parameters:
    - name: user_id
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: listUserGroups
      summary: List user groups
      description: Returns paged list of groups associated with a user.
      tags:
      - Groups
      responses:
        '200':
          description: Successful response
    post:
      operationId: associateUserGroup
      summary: Associate group with user
      tags:
      - Groups
      responses:
        '200':
          description: Group associated
  /admin/v1/users/{user_id}/groups/{group_id}:
    parameters:
    - name: user_id
      in: path
      required: true
      schema:
        type: string
    - name: group_id
      in: path
      required: true
      schema:
        type: string
    delete:
      operationId: disassociateUserGroup
      summary: Disassociate group from user
      tags:
      - Groups
      responses:
        '200':
          description: Group disassociated
  /admin/v1/groups:
    get:
      operationId: listGroups
      summary: List groups
      description: Returns a paged list of groups.
      tags:
      - Groups
      responses:
        '200':
          description: Successful response
    post:
      operationId: createGroup
      summary: Create group
      tags:
      - Groups
      responses:
        '200':
          description: Group created
  /admin/v1/groups/{group_id}:
    parameters:
    - name: group_id
      in: path
      required: true
      schema:
        type: string
    post:
      operationId: updateGroup
      summary: Update group
      tags:
      - Groups
      responses:
        '200':
          description: Group updated
  /admin/v2/groups/{group_id}:
    parameters:
    - name: group_id
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: getGroupV2
      summary: Get group (v2)
      description: Retrieve information about a group.
      tags:
      - Groups
      responses:
        '200':
          description: Successful response
  /admin/v2/groups/{group_id}/users:
    parameters:
    - name: group_id
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: listGroupUsersV2
      summary: List group users (v2)
      description: Returns a paged list of group members.
      tags:
      - Groups
      responses:
        '200':
          description: Successful response
components:
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic with HMAC-SHA1 signed credentials (integration key as user, signed signature as password).
externalDocs:
  description: Duo Admin API Documentation
  url: https://duo.com/docs/adminapi