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

# Get the app-root Rate Card review decision

> Returns null when no review is due. Direct human organisation administrators receive the exact published offer identity; ordinary members receive only an ask-admin decision and opaque revision key. No prices, plans, discounts or agreement documents are returned. This read never creates a binding or records a shown event.



## OpenAPI

````yaml /v2/storefront-api-v2.yaml get /billing/iu-rate-card/login-prompt
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:
  /billing/iu-rate-card/login-prompt:
    servers:
      - url: https://api.interchange.io/api/v2
        description: Production server
    get:
      tags:
        - Buyer Billing
      summary: Get the app-root Rate Card review decision
      description: >-
        Returns null when no review is due. Direct human organisation
        administrators receive the exact published offer identity; ordinary
        members receive only an ask-admin decision and opaque revision key. No
        prices, plans, discounts or agreement documents are returned. This read
        never creates a binding or records a shown event.
      operationId: getIuRateCardLoginPrompt
      responses:
        '200':
          description: Get the app-root Rate Card review decision
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IuRateCardLoginPromptResponse'
        '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:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - bearerAuth: []
components:
  schemas:
    IuRateCardLoginPromptResponse:
      type: object
      properties:
        data:
          nullable: true
          oneOf:
            - type: object
              properties:
                billingCustomerId:
                  type: integer
                  minimum: 0
                  exclusiveMinimum: true
                  maximum: 9007199254740991
                promptKey:
                  type: string
                  pattern: ^v1:[0-9a-f]{64}$
                action:
                  type: string
                  enum:
                    - ASK_ADMIN
              required:
                - billingCustomerId
                - promptKey
                - action
              additionalProperties: false
            - type: object
              properties:
                billingCustomerId:
                  type: integer
                  minimum: 0
                  exclusiveMinimum: true
                  maximum: 9007199254740991
                promptKey:
                  type: string
                  pattern: ^v1:[0-9a-f]{64}$
                action:
                  type: string
                  enum:
                    - REVIEW_PLAN
                offerVersion:
                  type: string
                  pattern: ^v1:[0-9a-f]{64}$
                rateCardPublicVersion:
                  type: string
                  minLength: 1
              required:
                - billingCustomerId
                - promptKey
                - action
                - offerVersion
                - rateCardPublicVersion
              additionalProperties: false
          type: object
      required:
        - data
      additionalProperties: false
    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

````