> ## 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. # Create a product for an ad server source > Create a draft or active wholesale product on the ad server source's upstream tenant. Validate the same complete request first with the validation endpoint. ## OpenAPI ````yaml /v2/storefront-api-v2.yaml post /esa/{esaId}/products 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: /esa/{esaId}/products: post: tags: - Storefront Ad Server Catalog summary: Create a product for an ad server source description: >- Create a draft or active wholesale product on the ad server source's upstream tenant. Validate the same complete request first with the validation endpoint. operationId: createEsaProduct parameters: - in: path name: esaId schema: type: integer minimum: 0 exclusiveMinimum: true maximum: 9007199254740991 description: >- Ad server source connection id. The wire field remains `esaId` for API compatibility. example: 123 required: true description: >- Ad server source connection id. The wire field remains `esaId` for API compatibility. requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/EsaProductUpdateBody' responses: '201': description: Create a product for an ad server source '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '404': description: No ad server source with this id, or the source is deactivated. 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: EsaProductUpdateBody: type: object properties: wholesale_product_id: type: string name: type: string description: type: string status: type: string delivery_type: type: string channels: type: array items: anyOf: - anyOf: - type: string enum: - display - type: string enum: - olv - type: string enum: - social - type: string enum: - search - type: string enum: - ctv - type: string enum: - linear_tv - type: string enum: - radio - type: string enum: - streaming_audio - type: string enum: - podcast - type: string enum: - dooh - type: string enum: - ooh - type: string enum: - print - type: string enum: - cinema - type: string enum: - email - type: string enum: - gaming - type: string enum: - retail_media - type: string enum: - influencer - type: string enum: - affiliate - type: string enum: - product_placement - type: string enum: - sponsored_intelligence - type: string enum: - audio - type: string enum: - video format_options: type: array items: $ref: '#/components/schemas/EsaCanonicalProductFormatOption' inventory: type: object additionalProperties: {} pricing_options: type: array items: type: object additionalProperties: {} additionalProperties: {} description: >- Full salesagent WholesaleProductRequest update body for an ad-server source product. The upstream endpoint requires a complete replacement body; unknown/extra fields are forwarded as-is. ErrorResponse: type: object properties: data: type: string nullable: true enum: - null error: $ref: '#/components/schemas/ApiError' required: - data - error additionalProperties: false description: Standard error response EsaCanonicalProductFormatOption: type: object properties: format_option_id: type: string publisher_domain: description: >- Publisher catalog namespace for format_option_id. Omit for product-local format options. type: string maxLength: 253 pattern: ^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$ format_kind: anyOf: - type: string enum: - image - type: string enum: - html5 - type: string enum: - display_tag - type: string enum: - image_carousel - type: string enum: - video_hosted - type: string enum: - video_vast - type: string enum: - audio_hosted - type: string enum: - audio_vast - type: string enum: - audio_daast - type: string enum: - sponsored_placement - type: string enum: - native_in_feed - type: string enum: - responsive_creative - type: string enum: - agent_placement - type: string enum: - seller_rendered_stateful_display - type: string enum: - coordinated_placements - type: string enum: - custom params: type: object additionalProperties: {} required: - format_kind - params additionalProperties: false description: >- URL-free AdCP 3.1 product format declaration. Canonical formats use format_kind plus params and never agent_url; publisher-backed options pair format_option_id with publisher_domain. 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 ````