> ## 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 inherited billing stub > Returns only the parent organization display name, the ORG billing boundary, and the managing organization customer pointer for a direct human member of a CHILD account who has no applicable VIEW delegation. It never returns the organization billing document or any account, member, contract, rate, standing, payment, or advertiser data. Parent and standalone members, advertiser-scoped principals, API keys, Agents, workloads, service tokens, missing topology, and compatibility-tenancy principals are denied. ## OpenAPI ````yaml /v2/buyer-api-v2.yaml get /billing/account/inherited-stub openapi: 3.0.0 info: title: Scope3 Buyer API version: 2.0.0 description: |- REST API for advertisers to manage advertisers, campaigns, and reporting. ## Authentication All endpoints require a Bearer token in the Authorization header: ``` Authorization: Bearer your-api-key ``` ## Base URL `https://api.interchange.io/api/v2/buyer` ## For AI Agents AI agents can use the MCP endpoint at `/mcp/v2/buyer` 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/buyer description: Production server security: [] tags: - name: Signup description: Request reviewed access to Interchange - 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: Advertisers description: Manage advertisers - name: Product Discovery description: Discover and select products - name: Campaigns description: Manage advertising campaigns - name: Creatives description: Build, manage, and sync campaign creatives via AdCP Creative Protocol - name: Reporting description: Access performance metrics - name: Event Sources description: >- Manage event source configurations and log conversion/marketing events for attribution - name: Property Lists description: Validate property lists against AAO registry - name: Sales Agents description: View and connect sales agents - name: Measurement description: Measurement sources, records, context, and freshness - name: Syndication description: Syndicate resources to ADCP agents - name: Tasks description: Track async operation status - name: Buyer Billing description: >- Consolidated invoicing for buyers — invoices and pending invoice items issued by Scope3 across the buyer customer. - name: MCP description: Model Context Protocol endpoints for AI agents paths: /billing/account/inherited-stub: servers: - url: https://api.interchange.io/api/v2 description: Production server get: tags: - Buyer Billing summary: Get inherited billing stub description: >- Returns only the parent organization display name, the ORG billing boundary, and the managing organization customer pointer for a direct human member of a CHILD account who has no applicable VIEW delegation. It never returns the organization billing document or any account, member, contract, rate, standing, payment, or advertiser data. Parent and standalone members, advertiser-scoped principals, API keys, Agents, workloads, service tokens, missing topology, and compatibility-tenancy principals are denied. operationId: getInheritedBillingStub responses: '200': description: Get inherited billing stub content: application/json: schema: $ref: '#/components/schemas/GetInheritedBillingStubResponse' '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: >- ACCESS_DENIED (caller is not a genuine direct child-account human member eligible for the bounded stub). 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: GetInheritedBillingStubResponse: type: object properties: data: $ref: '#/components/schemas/InheritedBillingStub' 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 InheritedBillingStub: type: object properties: organization: type: object properties: name: type: string minLength: 1 description: Display name of the organization that manages billing. required: - name additionalProperties: false scope: type: object properties: boundary: type: string enum: - ORG description: >- The exact boundary that owns billing. This bounded projection is organization-only. required: - boundary additionalProperties: false managedBy: type: object properties: customerId: type: integer minimum: 0 exclusiveMinimum: true maximum: 9007199254740991 description: >- Customer pointer for the parent organization that manages billing. required: - customerId additionalProperties: false required: - organization - scope - managedBy additionalProperties: false description: >- Minimal organization-billing inheritance signal for a direct child-account member without organization billing-document access. 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 ````