> ## 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. # Toggle syndication for a resource > Toggle syndication ON/OFF for an audience, event source, or catalog to a specific ADCP agent. Returns the syndication status record immediately. ## OpenAPI ````yaml /v2/buyer-api-v2.yaml post /advertisers/{advertiserId}/syndicate 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: /advertisers/{advertiserId}/syndicate: post: tags: - Syndication summary: Toggle syndication for a resource description: >- Toggle syndication ON/OFF for an audience, event source, or catalog to a specific ADCP agent. Returns the syndication status record immediately. operationId: syndicate parameters: - in: path name: advertiserId schema: description: Unique identifier for the advertiser example: '12345' type: string minLength: 1 required: true description: Unique identifier for the advertiser requestBody: required: true content: application/json: schema: type: object properties: resourceType: type: string enum: - AUDIENCE - EVENT_SOURCE - CATALOG resourceId: type: string minLength: 1 adcpAgentIds: minItems: 1 type: array items: type: string minLength: 1 enabled: type: boolean required: - resourceType - resourceId - adcpAgentIds - enabled responses: '201': description: Toggle syndication for a resource content: application/json: schema: $ref: '#/components/schemas/SyndicateResponse' '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: SyndicateResponse: description: Response after toggling syndication for one or more ADCP agents type: object properties: data: type: array items: $ref: '#/components/schemas/SyndicationStatusOutput' required: - data additionalProperties: false 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 SyndicationStatusOutput: description: Syndication status record type: object properties: id: description: Syndication record ID example: '1' type: string customerId: description: Customer ID type: integer minimum: -9007199254740991 maximum: 9007199254740991 advertiserId: description: Advertiser ID example: '12345' type: string resourceType: type: string enum: - AUDIENCE - EVENT_SOURCE - CATALOG resourceId: description: ID of the resource being syndicated type: string audienceId: description: FK to audience table (populated when resourceType is audience) example: '1' nullable: true type: string eventSourceId: description: >- FK to event_sources table (populated when resourceType is event_source) nullable: true type: string catalogId: description: FK to catalogs table (populated when resourceType is catalog) nullable: true type: string adcpAgentId: description: ADCP agent ID example: '42' type: string adcpAgentAccountId: description: ADCP agent account ID (FK to adcp_agent_accounts) nullable: true type: string enabled: description: Whether syndication is active type: boolean status: description: Current syndication status type: string enum: - PENDING - SYNCING - COMPLETED - FAILED - DISABLED errorMessage: description: Error message if syndication failed nullable: true type: string responseData: description: Response data from the syndication operation nullable: true createdAt: description: ISO 8601 timestamp type: string updatedAt: description: ISO 8601 timestamp type: string completedAt: description: ISO 8601 timestamp when syndication completed nullable: true type: string required: - id - customerId - advertiserId - resourceType - resourceId - audienceId - eventSourceId - catalogId - adcpAgentId - adcpAgentAccountId - enabled - status - errorMessage - responseData - createdAt - updatedAt - completedAt 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 ````