instacart Replacements API

Endpoints for managing item replacements suggested by shoppers during order fulfillment.

Documentation GitHub OpenAPI

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

PUT /v2/post_checkout/orders/{order_id}/items/{order_item_id}/replacement Approve or reject a shopper's replacement · Approve or reject an item replacement #

Ask an LLM

“How does a customer accept a substitute the shopper picked?”

“What happens to an item if its replacement is rejected?”

Tell an agent

Set the replacement for item {order_item_id} on order {order_id} to {status}.

Approve the substitute for item {order_item_id} in order {order_id} by marking it {status}.

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Instacart Connect Post-Checkout Replacements API
  description: The Instacart Connect Post-Checkout API allows retailers to provide their customers with real-time order tracking and shopper interaction after an order has been placed.
  version: '2.0'
  contact:
    name: Instacart Connect Support
    url: https://docs.instacart.com/connect/post-checkout/
  termsOfService: https://www.instacart.com/terms
servers:
- url: https://connect.instacart.com
  description: Production Server
security:
- bearerAuth: []
tags:
- name: Replacements
  description: Endpoints for managing item replacements suggested by shoppers during order fulfillment.
paths:
  /v2/post_checkout/orders/{order_id}/items/{order_item_id}/replacement:
    put:
      operationId: updateItemReplacement
      summary: Approve or reject an item replacement
      description: Approves or rejects a replacement suggested by the shopper for a specific order item. If the customer approves the replacement, specify the status as APPROVED. If the customer rejects the replacement, specify the status as REJECTED. Items with a rejected replacement are automatically refunded.
      tags:
      - Replacements
      parameters:
      - $ref: '#/components/parameters/orderId'
      - $ref: '#/components/parameters/orderItemId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReplacementDecisionRequest'
      responses:
        '200':
          description: Replacement decision applied successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ReplacementResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Order item not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    ReplacementResponse:
      type: object
      properties:
        id:
          type: string
          description: The order item identifier.
        replacement_status:
          type: string
          enum:
          - APPROVED
          - REJECTED
          description: The updated replacement status.
    Error:
      type: object
      properties:
        error:
          type: string
          description: A human-readable error message.
        status:
          type: integer
          description: The HTTP status code.
    ReplacementDecisionRequest:
      type: object
      required:
      - status
      properties:
        status:
          type: string
          enum:
          - APPROVED
          - REJECTED
          description: The customer's decision on the replacement. APPROVED accepts the replacement. REJECTED declines the replacement and triggers an automatic refund.
  parameters:
    orderItemId:
      name: order_item_id
      in: path
      required: true
      description: The unique identifier for a specific item within the order.
      schema:
        type: string
    orderId:
      name: order_id
      in: path
      required: true
      description: The unique identifier for the order.
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: OAuth 2.0 Bearer token obtained from the access token endpoint. A user access token is required for post-checkout operations.
externalDocs:
  description: Instacart Connect Post-Checkout API Documentation
  url: https://docs.instacart.com/connect/post-checkout/