> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apostra.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Resolve a domain up its corporate hierarchy (authoring preview)

> Read-only helper for the authoring UI: resolves a brand or operator domain up its published corporate hierarchy (e.g. converse.com → nike.com) so you can preview where a discount would key before saving it. Creates and matches nothing.



## OpenAPI

````yaml /v2/storefront-api-v2.yaml get /house-discounts/resolve
openapi: 3.0.0
info:
  title: Scope3 Storefront API
  version: 2.0.0
  description: >-
    REST API for partners to manage Seller Accounts, inventory sources, and
    billing.


    ## Authentication


    All endpoints require a Bearer token in the Authorization header:

    ```

    Authorization: Bearer your-api-key

    ```


    ## Base URL


    `https://api.interchange.io/api/v2/storefront`


    ## For AI Agents


    AI agents can use the MCP endpoint at `/mcp/v2/storefront` with three tools:

    - `initialize`: Start an MCP session

    - `api_call`: Make REST API calls

    - `ask_about_capability`: Learn about API features
servers:
  - url: https://api.interchange.io/api/v2/storefront
    description: Production server
security: []
tags:
  - name: Account
    description: Account management, service tokens, and preferences
  - name: Asks
    description: >-
      What you are waiting on Scope3 for — support, product, and supply asks in
      one list
  - name: Storefront
    description: Manage storefront and inventory sources
  - name: Storefront Agents
    description: List and manage registered sales, signals, and outcomes agents
  - name: Storefront Activity
    description: Audit log of configuration and inventory changes on the storefront
  - name: Storefront Billing
    description: Payout bank details and billing configuration for Seller Accounts
  - name: AI Usage
    description: Seller Account AI token usage visibility by model
  - name: MCP
    description: Model Context Protocol endpoints
paths:
  /house-discounts/resolve:
    get:
      tags:
        - Storefront
      summary: Resolve a domain up its corporate hierarchy (authoring preview)
      description: >-
        Read-only helper for the authoring UI: resolves a brand or operator
        domain up its published corporate hierarchy (e.g. converse.com →
        nike.com) so you can preview where a discount would key before saving
        it. Creates and matches nothing.
      operationId: resolveHouseHierarchy
      parameters:
        - in: query
          name: domain
          schema:
            type: string
            minLength: 1
            maxLength: 253
            description: >-
              The brand or operator domain to resolve up its corporate
              hierarchy.
            example: converse.com
          required: true
          description: The brand or operator domain to resolve up its corporate hierarchy.
      responses:
        '200':
          description: Resolve a domain up its corporate hierarchy (authoring preview)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResolveHouseResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - bearerAuth: []
components:
  schemas:
    ResolveHouseResponse:
      type: object
      properties:
        domain:
          type: string
          description: Normalized input domain.
        chain:
          type: array
          items:
            type: string
          description: >-
            Ordered self → … → house. A single element means the domain heads
            its own house or only a self-domain fallback is available; use
            coverage to distinguish unregistered from unavailable.
          example:
            - converse.com
            - nike.com
        house:
          type: string
          description: The corporate house at the top of the chain.
          example: nike.com
        known:
          type: boolean
          description: >-
            Whether usable published hierarchy evidence exists. False means the
            domain is unregistered or hierarchy evidence is unavailable; inspect
            coverage before treating that as a definitive no-match.
        coverage:
          type: string
          enum:
            - registered
            - unregistered
            - unavailable
          description: >-
            Hierarchy coverage state: registered means usable registry/upstream
            or cached hierarchy evidence, unregistered means a definitive
            self-domain fallback, and unavailable means no usable evidence was
            available.
        resolverDegraded:
          type: boolean
          description: >-
            True when registry resolution failed and the response retained
            fallback cache evidence; coverage explains whether that evidence is
            usable.
        isTop:
          type: boolean
          description: A known domain that already heads its own house.
      required:
        - domain
        - chain
        - house
        - known
        - coverage
        - resolverDegraded
        - isTop
      additionalProperties: false
      description: A domain resolved up its corporate hierarchy for authoring.
    ErrorResponse:
      type: object
      properties:
        data:
          type: string
          nullable: true
          enum:
            - null
        error:
          $ref: '#/components/schemas/ApiError'
      required:
        - data
        - error
      additionalProperties: false
      description: Standard error response
    ApiError:
      type: object
      properties:
        code:
          type: string
          description: Machine-readable error code
        message:
          type: string
          description: Human-readable error message
        field:
          description: Field path associated with the error
          type: string
        details:
          description: Additional error context
          type: object
          additionalProperties: {}
      required:
        - code
        - message
      additionalProperties: false
      description: Structured error object
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key or access token

````