---
updatedAt: 2026-05-07T15:23:22.000Z
---

# Retrieve a single item

This request retrieves a specific item by SKU in your Marketplace simulation environment.

# OpenAPI definition

```json
{
  "openapi": "3.0.3",
  "info": {
    "title": "Simulations API",
    "description": "API for managing simulations of seller items and orders in the Marketplace dynamic sandbox.",
    "version": "1.0.0",
    "contact": {
      "name": "Marketplace API Support"
    }
  },
  "x-readme": {
    "samples-languages": [
      "shell"
    ]
  },
  "servers": [
    {
      "url": "https://sandbox.walmartapis.com/v1",
      "description": "Sandbox URL"
    }
  ],
  "tags": [
    {
      "name": "Simulations",
      "description": "Simulate items and orders in the Marketplace dynamic sandbox."
    }
  ],
  "paths": {
    "/simulations/items/{sku}": {
      "get": {
        "summary": "Retrieve a single item",
        "operationId": "getAnItem",
        "description": "This request retrieves a specific item by SKU in your Marketplace simulation environment.",
        "tags": [
          "Simulations"
        ],
        "parameters": [
          {
            "in": "header",
            "name": "WM_SANDBOX",
            "required": true,
            "schema": {
              "type": "string",
              "enum": [
                "v2"
              ]
            },
            "description": "Include this header to access the Marketplace dynamic sandbox environment.",
            "example": "v2"
          },
          {
            "name": "sku",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Stock keeping unit (SKU) identifier assigned to the item.",
            "example": "SKU011"
          },
          {
            "in": "header",
            "name": "Accept",
            "required": false,
            "schema": {
              "type": "string"
            },
            "description": "Specifies the data type expected in a response sent from the server.\n\nValid values are:\n\n| Value | Meaning |\n| --- | --- |\n| application/json | JSON format for data returned in response. |\n",
            "example": "application/json"
          },
          {
            "in": "header",
            "name": "WM_SEC.ACCESS_TOKEN",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Access token returned by the [Token API](https://developer.walmart.com/us-marketplace/reference/tokenapi).\n\nThis value is required for token-based authentication.\n",
            "example": "ACCESS_TOKEN_EXAMPLE"
          },
          {
            "in": "header",
            "name": "WM_SVC.NAME",
            "description": "Specifies the name of the Walmart service being called.",
            "required": true,
            "schema": {
              "type": "string"
            },
            "example": "MP"
          }
        ],
        "responses": {
          "200": {
            "description": "Seller item with the specified SKU",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SellerItem"
                }
              }
            }
          },
          "400": {
            "description": "Bad request",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "error": {
                      "type": "array",
                      "description": "Array of objects containing error information.",
                      "items": {
                        "type": "object",
                        "properties": {
                          "code": {
                            "type": "string",
                            "description": "Error code of the response.",
                            "example": "INVALID_REQUEST_HEADER.GMP_GATEWAY_API"
                          },
                          "field": {
                            "type": "string",
                            "description": "Specifies which field contains the error.",
                            "example": "WM_SVC.NAME"
                          },
                          "description": {
                            "type": "string",
                            "description": "Description of the error.",
                            "example": "WM_SVC.NAME set null or invalid."
                          },
                          "info": {
                            "type": "string",
                            "description": "Information about the error.",
                            "example": "One or more request headers are invalid."
                          },
                          "severity": {
                            "type": "string",
                            "description": "Severity of the error.",
                            "example": "ERROR"
                          },
                          "category": {
                            "type": "string",
                            "description": "Category of the error.",
                            "example": "DATA"
                          },
                          "causes": {
                            "type": "array",
                            "description": "List of error causes",
                            "items": {
                              "type": "string",
                              "description": "Cause of the error."
                            }
                          },
                          "errorIdentifiers": {
                            "type": "object",
                            "description": "Error identifiers associated with the error."
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          },
          "404": {
            "description": "Item not found",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "error": {
                      "type": "array",
                      "description": "Array of objects containing error information.",
                      "items": {
                        "type": "object",
                        "properties": {
                          "code": {
                            "type": "string",
                            "description": "Error code of the response.",
                            "example": "CONTENT_NOT_FOUND.GMP_ITEM_QUERY_API"
                          },
                          "field": {
                            "type": "string",
                            "description": "Specifies which field contains the error.",
                            "example": "404_NOT_FOUND"
                          },
                          "description": {
                            "type": "string",
                            "description": "Description of the error.",
                            "example": "No items found for the input parameters."
                          },
                          "info": {
                            "type": "string",
                            "description": "Information about the error.",
                            "example": "Requested content could not be found."
                          },
                          "severity": {
                            "type": "string",
                            "description": "Severity of the error.",
                            "example": "INFO"
                          },
                          "category": {
                            "type": "string",
                            "description": "Category of the error.",
                            "example": "APPLICATION"
                          },
                          "causes": {
                            "type": "array",
                            "description": "List of error causes",
                            "items": {
                              "type": "string",
                              "description": "Cause of the error."
                            }
                          },
                          "errorIdentifiers": {
                            "type": "object",
                            "description": "Error identifiers associated with the error."
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "code": {
                      "type": "string",
                      "description": "Unique identifier for the type of error.\n\nHelps in quickly recognizing and categorizing the specific issue.\n",
                      "example": "SYSTEM_ERROR.GMP_ITEM_QUERY_API"
                    },
                    "description": {
                      "type": "string",
                      "description": "Detailed message explaining what caused the error.\n\nProvides more context about the issue.\n",
                      "example": "System encountered some internal error."
                    },
                    "info": {
                      "type": "string",
                      "description": "Brief summary of the error, often used for a quick understanding of the issue.",
                      "example": "One or more mandatory request parameters are missing."
                    },
                    "severity": {
                      "type": "string",
                      "description": "Indicates the severity of the error.\nCommon values include ERROR, WARNING, or INFO.\n",
                      "example": "ERROR"
                    },
                    "category": {
                      "type": "string",
                      "description": "Classifies the error into a specific group or type, which helps in organizing and managing different types of issues.",
                      "example": "DATA"
                    },
                    "causes": {
                      "type": "array",
                      "description": "Array containing additional details or sub-errors that contributed to the main error.",
                      "example": [],
                      "items": {
                        "type": "string",
                        "description": "Causes of the error."
                      }
                    },
                    "errorIdentifiers": {
                      "type": "object",
                      "description": "Includes additional identifiers or metadata that provides more context about the error.",
                      "example": {}
                    },
                    "field": {
                      "type": "string",
                      "description": "Specifies the field or parameter that caused the error, pinpointing exactly where the issue occurred.",
                      "example": "Name is null"
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "SellerItem": {
        "type": "object",
        "properties": {
          "sku": {
            "type": "string",
            "description": "Stock keeping unit (SKU) identifier assigned to the item.",
            "example": "SKU011"
          },
          "productName": {
            "type": "string",
            "description": "Seller-specified, alphanumeric product name.",
            "example": "BabyBjorn Harmony 3D Mesh Baby Carrier for Infant"
          },
          "productType": {
            "type": "string",
            "description": "Product type.",
            "example": "Baby Carrier"
          },
          "condition": {
            "type": "string",
            "description": "Condition of the product (Such as `NEW` or `REFURBISHED`).",
            "example": "NEW"
          },
          "price": {
            "type": "object",
            "required": [
              "amount",
              "currency"
            ],
            "properties": {
              "amount": {
                "type": "number",
                "description": "Product price.",
                "example": 249.99
              },
              "currency": {
                "type": "string",
                "description": "Price currency.",
                "example": "USD"
              }
            }
          }
        }
      }
    }
  }
}
```