> ## 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. # Decide a pending buyer account request > Approve a pending buyer account request for Interchange-cleared billing, or reject it with a required reason. The expected version prevents decisions against stale review state. ## OpenAPI ````yaml /v2/storefront-api-v2.yaml post /account-mappings/reviews/{grantId}/decision 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: 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 storefronts - name: AI Usage description: Storefront AI token usage visibility by model - name: MCP description: Model Context Protocol endpoints paths: /account-mappings/reviews/{grantId}/decision: post: tags: - Storefront summary: Decide a pending buyer account request description: >- Approve a pending buyer account request for Interchange-cleared billing, or reject it with a required reason. The expected version prevents decisions against stale review state. operationId: decideSellerAccountGrantReview parameters: - in: path name: grantId schema: anyOf: - type: integer format: int64 - type: string - type: number required: true requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/DecideSellerAccountGrantReviewBody' responses: '200': description: Decide a pending buyer account request content: application/json: schema: $ref: '#/components/schemas/SellerAccountGrantReviewDecision' '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: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: DecideSellerAccountGrantReviewBody: description: >- Approve a buyer account into an existing seller-native ad-server record (link_existing, with operator- or advertiser-cleared billing and the seller-declared billing_entity for that invoice recipient), approve it into Interchange-cleared billing (approve_interchange), or reject it with a reason (reject). oneOf: - type: object properties: expectedVersion: type: integer maximum: 9007199254740991 minimum: 1 decision: type: string enum: - approve_interchange message: type: string minLength: 1 maxLength: 1000 required: - expectedVersion - decision additionalProperties: false - type: object properties: expectedVersion: type: integer maximum: 9007199254740991 minimum: 1 decision: type: string enum: - link_existing billing: type: string enum: - operator - advertiser billingEntity: type: object properties: legal_name: type: string maxLength: 200 vat_id: type: string pattern: ^[A-Z]{2}[A-Z0-9]{2,13}$ tax_id: type: string maxLength: 30 registration_number: type: string maxLength: 50 address: type: object properties: street: type: string maxLength: 200 city: type: string maxLength: 100 postal_code: type: string maxLength: 20 region: type: string maxLength: 100 country: type: string pattern: ^[A-Z]{2}$ required: - street - city - postal_code - country additionalProperties: false contacts: maxItems: 10 type: array items: type: object properties: role: type: string enum: - billing - legal - creative - general name: type: string maxLength: 200 email: type: string maxLength: 254 format: email pattern: >- ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$ phone: type: string maxLength: 30 required: - role additionalProperties: false bank: type: object properties: account_holder: type: string maxLength: 200 iban: type: string pattern: ^[A-Z]{2}[0-9]{2}[A-Z0-9]{4,30}$ bic: type: string pattern: ^[A-Z]{4}[A-Z]{2}[A-Z0-9]{2}([A-Z0-9]{3})?$ routing_number: type: string maxLength: 30 account_number: type: string maxLength: 30 required: - account_holder additionalProperties: false ext: type: object additionalProperties: {} required: - legal_name additionalProperties: false message: type: string minLength: 1 maxLength: 1000 required: - expectedVersion - decision - billing - billingEntity additionalProperties: false - type: object properties: expectedVersion: type: integer maximum: 9007199254740991 minimum: 1 decision: type: string enum: - reject message: type: string minLength: 1 maxLength: 1000 required: - expectedVersion - decision - message additionalProperties: false type: object SellerAccountGrantReviewDecision: type: object properties: account_id: type: string brand: type: object properties: domain: type: string required: - domain additionalProperties: false operator: type: string name: type: string action: type: string enum: - created - updated - unchanged status: type: string account_scope: type: string enum: - operator_brand billing: type: string billing_entity: type: object additionalProperties: {} setup: type: object properties: url: type: string format: uri message: type: string expires_at: type: string required: - message additionalProperties: false warnings: type: array items: type: string sandbox: type: boolean required: - account_id - brand - operator - name - action - status - account_scope 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 ````