> ## 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.

# Pin or clear the learned default posture

> Pin a negotiation posture as the storefront's learned default, or clear it (send posture: null). The learned default is a fallback the Merchandising Agent uses only when it has no fresher read for a buyer; operating instructions and buyer-specific rules always take precedence. The storefront is resolved from auth context.



## OpenAPI

````yaml /v2/storefront-api-v2.yaml put /learned-default-posture
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: 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:
  /learned-default-posture:
    put:
      tags:
        - Storefront
      summary: Pin or clear the learned default posture
      description: >-
        Pin a negotiation posture as the storefront's learned default, or clear
        it (send posture: null). The learned default is a fallback the
        Merchandising Agent uses only when it has no fresher read for a buyer;
        operating instructions and buyer-specific rules always take precedence.
        The storefront is resolved from auth context.
      operationId: setLearnedDefaultPosture
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SetLearnedDefaultPostureBody'
      responses:
        '200':
          description: Pin or clear the learned default posture
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LearnedDefaultPostureResponse'
        '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 storefront exists for the authenticated caller.
          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:
    SetLearnedDefaultPostureBody:
      description: Pin or clear the storefront learned default negotiation posture.
      type: object
      properties:
        posture:
          description: >-
            The negotiation posture to pin as the storefront learned default, or
            null to clear it (revert to none).
          nullable: true
          type: string
          enum:
            - direct_fit
            - hold_value
            - value_preserving_compromise
            - tradeoff_ladder
            - price_first
            - wholesale_mirror
      required:
        - posture
    LearnedDefaultPostureResponse:
      description: The storefront learned default posture after a pin or clear operation.
      type: object
      properties:
        learnedDefault:
          description: >-
            The saved learned default posture, or null when none is set (e.g.
            after a clear).
          nullable: true
          type: object
          properties:
            posture:
              type: string
              enum:
                - direct_fit
                - hold_value
                - value_preserving_compromise
                - tradeoff_ladder
                - price_first
                - wholesale_mirror
            reason:
              nullable: true
              type: string
            checkedAt:
              nullable: true
              type: string
          required:
            - posture
            - reason
            - checkedAt
          additionalProperties: false
      required:
        - learnedDefault
      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

````