> ## 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 buyer agent activation > Return the stable activation lineage and bounded authority for the authenticated WorkOS Agent Registration workload. ## OpenAPI ````yaml /v2/buyer-api-v2.yaml get /activation 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: /activation: get: tags: - Account summary: Get buyer agent activation description: >- Return the stable activation lineage and bounded authority for the authenticated WorkOS Agent Registration workload. operationId: getBuyerActivation responses: '200': description: Get buyer agent activation content: application/json: schema: $ref: '#/components/schemas/BuyerActivationResponse' '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: A WorkOS Agent Registration credential is required. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: BuyerActivationResponse: description: >- Stable activation lineage, current workload state, and the bounded authority available to a registered buyer agent. type: object properties: schemaVersion: type: string enum: - '1.0' activationId: description: >- Stable activation lineage retained across retries and identity claim. type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ workloadId: description: Stable Interchange workload identifier for this registration. type: string pattern: ^agent-registration:\d+$ state: type: string enum: - unbound_free - customer_bound expiresAt: description: >- Expiry of the unbound sandbox registration. Null after customer binding. nullable: true 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))$ allowance: $ref: '#/components/schemas/BuyerActivationAllowance' claim: type: object properties: available: description: >- Whether this unbound registration may begin an optional WorkOS claim ceremony. type: boolean preservesActivationId: type: boolean enum: - true required: - available - preservesActivationId additionalProperties: false required: - schemaVersion - activationId - workloadId - state - expiresAt - allowance - claim 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 BuyerActivationAllowance: type: object properties: ttlDays: description: >- Unbound sandbox retention period. Null after the workload is customer-bound. nullable: true type: number enum: - 30 cleanup: description: >- Cleanup policy for an unbound sandbox. Null after the workload is customer-bound. nullable: true type: string enum: - automatic_at_expiry spendCap: $ref: '#/components/schemas/BuyerActivationSpendCap' grants: description: >- Current technical grants. These are a ceiling and do not themselves grant commercial standing or payment authority. type: array items: type: string minLength: 1 prohibitedOperations: description: Operations explicitly unavailable to the current activation state. type: array items: type: string minLength: 1 required: - ttlDays - cleanup - spendCap - grants - prohibitedOperations 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 BuyerActivationSpendCap: type: object properties: amountMinor: description: >- Maximum committed spend in currency minor units. Null after the workload is customer-bound and normal account governance applies. nullable: true type: integer minimum: 0 maximum: 9007199254740991 currency: type: string enum: - USD required: - amountMinor - currency additionalProperties: false securitySchemes: bearerAuth: type: http scheme: bearer description: API key or access token ````