{
  "openapi": "3.1.0",
  "info": {
    "title": "Online Shopping",
    "version": "1.0"
  },
  "paths": {
    "/products": {
      "post": {
        "responses": {
          "201": {
            "description": "Product created",
            "headers": {
              "Location": {
                "description": "The created product's URL",
                "$ref": "#/components/headers/ResourceLocation"
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "headers": {
      "ResourceLocation": {
        "description": "Created resource URL",
        "schema": {
          "type": "string",
          "format": "uri"
        }
      }
    }
  }
}