(Node.js) Shopify Retrieve the item's inventory levels

After you have the inventory item ID, you can use it with the InventoryLevel resource to find the levels and locations for the inventory item:

For more information, see https://shopify.dev/tutorials/manage-product-inventory-with-admin-api#retrieve-the-inventory-levels-for-a-product-variant

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var http = new chilkat.Http();

    http.Login = "SHOPIFY_PRIVATE_API_KEY";
    http.Password = "SHOPIFY_PRIVATE_API_KEY";

    http.Accept = "application/json";

    // How to get the inventory item ID

    // resp: HttpResponse
    var resp = http.QuickRequest("GET","https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels.json?inventory_item_ids={inventory_item_id}");
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("Response Status Code: " + resp.StatusCode);

    var jsonResponse = new chilkat.JsonObject();
    jsonResponse.Load(resp.BodyStr);
    jsonResponse.EmitCompact = false;
    console.log(jsonResponse.Emit());

    if (resp.StatusCode !== 200) {
        console.log("Failed.");

        return;
    }

    // Sample output...
    // (See the parsing code below..)
    // 
    // Use the this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // {
    //   "inventory_levels": [
    //     {
    //       "inventory_item_id": 12250274365496,
    //       "location_id": 6884556842,
    //       "available": 8,
    //       "updated_at": "2018-06-18T11:49:50-04:00",
    //       "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
    //     },
    //     {
    //       "inventory_item_id": 12250274365496,
    //       "location_id": 13968834616,
    //       "available": 50,
    //       "updated_at": "2018-06-26T14:44:30-04:00",
    //       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570506808?inventory_item_id=12250274365496"
    //     },
    //     {
    //       "inventory_item_id": 12250274365496,
    //       "location_id": 13968867384,
    //       "available": 100,
    //       "updated_at": "2018-06-26T14:44:30-04:00",
    //       "admin_graphql_api_id": "gid://shopify/InventoryLevel/13570539576?inventory_item_id=12250274365496"
    //     }
    //   ]
    // }
    // 

    var inventory_item_id;
    var location_id;
    var available;
    var updated_at;
    var admin_graphql_api_id;

    var i = 0;
    var count_i = jsonResponse.SizeOfArray("inventory_levels");
    while (i < count_i) {
        jsonResponse.I = i;
        inventory_item_id = jsonResponse.IntOf("inventory_levels[i].inventory_item_id");
        location_id = jsonResponse.IntOf("inventory_levels[i].location_id");
        available = jsonResponse.IntOf("inventory_levels[i].available");
        updated_at = jsonResponse.StringOf("inventory_levels[i].updated_at");
        admin_graphql_api_id = jsonResponse.StringOf("inventory_levels[i].admin_graphql_api_id");
        i = i+1;
    }


}

chilkatExample();