> ## 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. # Attach Demo sources > Attach one or more versioned synthetic modular inventory sources to the active Demo Storefront. ## OpenAPI ````yaml /v2/storefront-api-v2.yaml post /demo/sources openapi: 3.0.0 info: title: Scope3 Storefront API version: 2.0.0 description: |- REST API for partners to manage storefronts, 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: 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 storefronts - name: AI Usage description: Storefront AI token usage visibility by model - name: MCP description: Model Context Protocol endpoints paths: /demo/sources: post: tags: - Storefront summary: Attach Demo sources description: >- Attach one or more versioned synthetic modular inventory sources to the active Demo Storefront. operationId: addDemoStorefrontSources requestBody: required: true content: application/json: schema: type: object properties: recipeIds: minItems: 1 maxItems: 3 type: array items: type: string enum: - sample-publisher-display - sample-publisher-ctv - sample-retail-media required: - recipeIds additionalProperties: false responses: '200': description: Attach Demo sources content: application/json: schema: type: object properties: demo: nullable: true type: object properties: mode: type: string enum: - DEMO storefrontId: type: string customerId: type: integer minimum: -9007199254740991 maximum: 9007199254740991 profileId: type: string enum: - sample-publisher-display profileVersion: type: string profileDisplayName: type: string fixturePackId: type: string fixturePackVersion: type: string generation: type: integer maximum: 9007199254740991 minimum: 1 status: type: string enum: - ACTIVE - CLEANUP_PENDING - CLEANUP_FAILED expiresAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ lastResetAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ cleanupAttemptCount: type: integer minimum: 0 maximum: 9007199254740991 cleanupError: nullable: true type: string disclosure: type: string sourceId: type: string sources: type: array items: type: object properties: recipeId: type: string enum: - sample-publisher-display - sample-publisher-ctv - sample-retail-media recipeVersion: type: string sourceId: type: string displayName: type: string channel: type: string enum: - display - ctv - retail-media synthetic: type: boolean enum: - true required: - recipeId - recipeVersion - sourceId - displayName - channel - synthetic additionalProperties: false synthetic: type: boolean enum: - true required: - mode - storefrontId - customerId - profileId - profileVersion - profileDisplayName - fixturePackId - fixturePackVersion - generation - status - expiresAt - lastResetAt - cleanupAttemptCount - cleanupError - disclosure - sourceId - sources - synthetic additionalProperties: false required: - demo additionalProperties: false '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: ErrorResponse: description: Standard error response type: object properties: data: type: string nullable: true enum: - null error: $ref: '#/components/schemas/ApiError' required: - data - error additionalProperties: false ApiError: description: Structured error object type: object properties: code: description: Machine-readable error code type: string message: description: Human-readable error message type: string field: description: Field path associated with the error type: string details: description: Additional error context type: object additionalProperties: {} required: - code - message additionalProperties: false securitySchemes: bearerAuth: type: http scheme: bearer description: API key or access token ````