> ## 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. # Accept a directed campaign decision plan (alpha) > Accept an unexpired Scope3-assisted plan and its complete paused create intent for the authenticated proposing principal and selected advertiser/account/provider subscription. The exact returned reference and accepted intent must be supplied by the one authorized assisted create. ## OpenAPI ````yaml /v2/buyer-api-v2.yaml post /storefront-connections/{connectionId}/accounts/{accountId}/directed-campaigns/plans/{planId}/accept 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: Account description: Account management, service tokens, and preferences - 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: Planning Briefs description: >- Share prospective briefs with publishers and collect their fit/quote/clarify/decline/book responses (gated by the demand-supply-signals flag). - 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: /storefront-connections/{connectionId}/accounts/{accountId}/directed-campaigns/plans/{planId}/accept: post: tags: - Storefronts summary: Accept a directed campaign decision plan (alpha) description: >- Accept an unexpired Scope3-assisted plan and its complete paused create intent for the authenticated proposing principal and selected advertiser/account/provider subscription. The exact returned reference and accepted intent must be supplied by the one authorized assisted create. operationId: acceptDirectedCampaignPlan parameters: - in: path name: connectionId schema: description: Storefront connection ID type: integer format: int64 required: true description: Storefront connection ID - in: path name: accountId schema: description: Storefront connection account ID type: integer format: int64 required: true description: Storefront connection account ID - in: path name: planId schema: description: Decision plan ID type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ required: true description: Decision plan ID requestBody: required: true content: application/json: schema: type: object properties: advertiserId: type: string pattern: ^[1-9]\d*$ plan_digest: type: string pattern: ^sha256:[a-f0-9]{64}$ write_intent: type: object properties: name: type: string minLength: 1 maxLength: 255 currency: type: string pattern: ^[A-Z]{3}$ mediaBuy: type: object properties: brand: type: object properties: domain: type: string minLength: 1 maxLength: 253 required: - domain additionalProperties: false total_budget: type: object properties: amount: type: number minimum: 0 exclusiveMinimum: true currency: type: string pattern: ^[A-Z]{3}$ required: - amount - currency additionalProperties: false start_time: anyOf: - type: string enum: - asap - 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))$ end_time: 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))$ paused: type: boolean enum: - true packages: minItems: 1 maxItems: 1 type: array items: type: object properties: product_id: type: string minLength: 1 pricing_option_id: type: string minLength: 1 budget: type: number minimum: 0 exclusiveMinimum: true targeting_overlay: type: object properties: geo_countries: minItems: 1 type: array items: type: string pattern: ^[A-Z]{2}$ required: - geo_countries additionalProperties: false required: - product_id - pricing_option_id - budget - targeting_overlay additionalProperties: false required: - brand - total_budget - start_time - end_time - paused - packages additionalProperties: false required: - name - currency - mediaBuy additionalProperties: false required: - advertiserId - plan_digest - write_intent additionalProperties: false responses: '200': description: Accept a directed campaign decision plan (alpha) content: application/json: schema: $ref: '#/components/schemas/AcceptedCampaignDecisionPlanRef' '400': description: >- The plan is missing, expired, mismatched, already accepted by another principal, or outside the selected account. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: >- Directed campaign reads or writes are not enabled, or the advertiser is inaccessible. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: AcceptedCampaignDecisionPlanRef: description: >- An unexpired assisted campaign decision plan accepted by the authenticated proposing principal. type: object properties: plan_id: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ plan_digest: type: string pattern: ^sha256:[a-f0-9]{64}$ write_intent_digest: type: string pattern: ^sha256:[a-f0-9]{64}$ expires_at: 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))$ acceptance_status: type: string enum: - accepted required: - plan_id - plan_digest - write_intent_digest - expires_at - acceptance_status 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 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 ````