# eBay-node-client (eBay Node Client)
[![Version](https://img.shields.io/npm/v/ebay-node-client.svg)](https://www.npmjs.org/package/ebay-node-client)
[![Build Status](https://travis-ci.org/bhushankumarl/eBay-node-client.svg?branch=master)](https://travis-ci.org/bhushankumarl/eBay-node-client)

This API supported eBay's standard REST-style API that accepts/returns JSON requests and Here is the [API reference] (https://developer.ebay.com/api-docs/commerce/static/commerce-landing.html)

You can testify API through [eBay API Explorer](https://developer.ebay.com/my/api_test_tool) without any installation.

You can find [examples of JavaScript and TypeScript here](https://github.com/bhushankumarl/eBay-node-client/tree/master/examples). This will help you for faster implementation of eBay APIs.

##### It does supports EcmaScript 5, EcmaScript 6,  EcmaScript 8, TypeScript, async-await, Promises, Callback !
##### It does also supports for AWS Lambda like serverless cloud function call.
##### It supports pure JSON response.
##### All methods support Promise and Callback both.
##### Please Feel free to create Issue for any help !
##### All developers/contributors are requested to open Pull Request/Merge Request on development branch. Please make sure Test Cases be passed.

## Installation
```bash
npm install ebay-node-client --save
```

## Test Cases
```bash
npm run test.mocha
```

## Debugging
```bash
export DEBUG=eBay:*
```

## Usage
```
export EBAY_CLIENT_ID=KEY
export EBAY_CLIENT_SECRET=SECRET
```

## Additional Parameters based on different API Call
```
export EBAY_DEV_ID=DEV_ID
```

## To Enable Sandbox Purpose
```bash
export EBAY_CLIENT_SANDBOX='true'
```

## Configuration Using JavaScript
```js
var eBay = require('ebay-node-client')('YOUR_KEY', 'YOUR_SECRET');
```

## Configuration Using TypeScript
```typescript
import * as eBay from 'ebay-node-client';

const eBay = new eBay();
eBay.setApiKey('YOUR_KEY', 'YOUR_SECRET');
```

## Set Application Access Token
```js
    eBay.setToken(token.access_token);
```

## Set User Token
```js
    eBay.setUserToken(userToken);
```

## Set Content Language (Default is en-US)
```js
    eBay.setContentLanguage('en-GB');
```

## Set MarketplaceId
```js
    eBay.setMarketplaceId('EBAY_US');
```

## Pull Request
- Contributors can send their Pull Request to `development` branch.
- Kindly validate test cases & linting before opening new PR.

## Do you need an expert?
Are you finding a developer for your world-class product? If yes, please contact here. [Submit your project request here.](https://goo.gl/forms/UofdG5GY5iHMoUWg2)
Originally by [Bhushankumar L](mailto:bhushankumar.lilapara@gmail.com).

## Examples
### Application
#### Oauth Token
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        console.log('token.access_token ', token.access_token);
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
    }    
```

### Buy
### Browse
#### Get Item
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var itemId = 'v1|110329773707|410089528845';
    try {
        var response = await eBay.browse.getItem(itemId);
        console.log('response', response);
    } catch (error) {
        console.log('error', error);
        return;
    }    
```

#### Search
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var data = {
        gtin: '010942122258',
        limit: '1'
    };
    try {
        var response = await eBay.browse.search(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Search By Image
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var base64Content = base64_encode('sample-image.jpg');
    // console.log('base64Content ', base64Content);
    var data = {
        image: base64Content
    };
    try {
        var response = await eBay.browse.searchByImage(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Commerce
### Catalog
#### Create Change Request
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'changeRequestType': 'PRODUCT_CREATION',
        'reasonForChangeRequest': 'Request to add new product',
        'suggestedProduct': {
            'title': 'Apple iPhone',
            'description': 'This Space Grey iPhone comes with 256GB of storage, and can be used on any carrier network in the US.',
            'primaryCategoryId': '178114',
            'aspects': [
                {
                    'name': 'Model',
                    'values': ['iPhone 20']
                }
            ],
            'imageUrl': 'https://i.ebayimg.com/images/g/HFAAAOSw9W5bWgcQ/s-l1600.jpg?set_id=89040003C1C1',
            'brand': 'Apple',
            'upc': ['0745577656433'],
            'mpn': ['MD295LL/A']
        }
    };
    try {
        var response = await eBay.catalog.createChangeRequest(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Change Request
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var changeRequestId = '1010101';
    try {
        var response = await eBay.catalog.getChangeRequest(changeRequestId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Change Requests
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    try {
        var response = await eBay.catalog.getChangeRequests();
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Product
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var epId = '1300568638';
    try {
        var response = await eBay.catalog.getProduct(epId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Product Metadata
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'epid': '241827861',
        'primary_category_id': '9355',
        'other_applicable_category_ids': '15032,42428'
    };
    try {
        var response = await eBay.catalog.getProductMetadata(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Product Metadata For Categories
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'primary_category_id': '500',
        'other_applicable_category_ids': '34,36,63'
    };
    try {
        var response = await eBay.catalog.getProductMetadataForCategories(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Search
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        gtin: '010942122258'
    };
    try {
        var response = await eBay.catalog.search(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Search By Category
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        // Leaf Category Name
        q: 'Video Cables',
        // Leaf Category Id
        category_ids: '67859'
    };
    try {
        var response = await eBay.catalog.search(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Taxonomy
#### Get Category Subtree
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var categoryTreeId = '0';
    var data = {
        category_id: '34'
    };
    try {
        var response = await eBay.taxonomy.getCategorySubtree(categoryTreeId, data);
        console.log('response', JSON.stringify(response));
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Category Suggestions
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var categoryTreeId = 203;
    var data = {
        'q': 'abc'
    };
    try {
        var response = await eBay.taxonomy.getCategorySuggestions(categoryTreeId, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Category Tree
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var categoryTreeId = 203;
    try {
        var response = await eBay.taxonomy.getCategoryTree(categoryTreeId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Category Tree To File
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var categoryTreeId = '0';
    try {
        var response = await eBay.taxonomy.getCategoryTree(categoryTreeId);
        console.log('response', JSON.stringify(response));
        fse.writeFileSync('temp/response.json', JSON.stringify(response));
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Default Category Tree Id
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var data = {
        marketplace_id: 'EBAY_IN'
    };
    try {
        var response = await eBay.taxonomy.getDefaultCategoryTreeId(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Item Aspects For Category
```
    try {
        var token = await eBay.application.getOAuthToken({
            grant_type: 'client_credentials',
            scope: 'https://api.ebay.com/oauth/api_scope'
        });
        eBay.setToken(token.access_token);
    } catch (error) {
        console.log('error ', error);
        return;
    }

    var categoryTreeId = 203;
    var data = {
        category_id: '931'
    };
    try {
        var response = await eBay.taxonomy.getItemAspectsForCategory(categoryTreeId, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Finding
#### Find Items By Product
```
    try {
        var content = fse.readFileSync('./sample.xml', 'UTF-8');

        var response = await eBay.finding.findItemsByProduct({content: content});
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Sell
### Account
#### Create Or Replace Sales Tax
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var countryCode = 'US';
    var jurisdictionId = 'IN';
    var data = {
        'salesTaxPercentage': 7.0,
        'shippingAndHandlingTaxed': false
    };
    try {
        var response = await eBay.account.getSalesTax(countryCode, jurisdictionId, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Delete Sales Tax
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var countryCode = 'US';
    var jurisdictionId = 'IN';
    try {
        var response = await eBay.account.deleteSalesTax(countryCode, jurisdictionId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Fulfillment Policy
#### Get Fulfillment Policies
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        marketplace_id: 'EBAY_US'
    };
    try {
        var response = await eBay.fulfillmentPolicy.getFulfillmentPolicies(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Sales Tax
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var countryCode = 'US';
    var jurisdictionId = 'IN';
    try {
        var response = await eBay.account.getSalesTax(countryCode, jurisdictionId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Sales Taxes
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        country_code: 'US'
    };
    try {
        var response = await eBay.account.getSalesTaxes(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Payment Policy
#### Get Payment Policies
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        marketplace_id: 'EBAY_US'
    };
    try {
        var response = await eBay.paymentPolicy.getPaymentPolicies(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Return Policy
#### Get Return Policies
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        marketplace_id: 'EBAY_US'
    };
    try {
        var response = await eBay.returnPolicy.getReturnPolicies(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Inventory
#### Bulk Create Or Replace Inventory Item
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'requests': [
            {
                'sku': '13465446'
            },
            {
                'sku': '132165496'
            }
        ]
    };
    try {
        var response = await eBay.inventory.bulkCreateOrReplaceInventoryItem(data);
        console.log('response ', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Bulk Update Price Quantity
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = { /* BulkPriceQuantity */
        'requests': [
            { /* PriceQuantity */
                'offers': [
                    { /* OfferPriceQuantity */
                        'availableQuantity': 'integer',
                        'offerId': 'string',
                        'price': { /* Amount */
                            'currency': 'string',
                            'value': 'string'
                        }
                    }
                ],
                'shipToLocationAvailability': {
                    /* ShipToLocationAvailability */
                    'quantity': 'integer'
                },
                'sku': 'string'
            }
        ]
    }
    try {
        var response = await eBay.inventory.bulkUpdatePriceQuantity(sku, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Create Or Replace Inventory Item
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'availability': {
            'shipToLocationAvailability': {
                'quantity': 50
            }
        },
        'condition': 'NEW',
        'product': {
            'title': 'GoPro Hero4 Helmet Cam',
            'description': 'New GoPro Hero4 Helmet Cam. Unopened box.',
            'aspects': {
                'Brand': ['GoPro'],
                'Type': ['Helmet/Action'],
                'Storage Type': ['Removable'],
                'Recording Definition': ['High Definition'],
                'Media Format': ['Flash Drive (SSD)'],
                'Optical Zoom': ['10x']
            },
            'brand': 'GoPro',
            'mpn': 'CHDHX-401',
            'imageUrls': [
                'http://i.ebayimg.com/images/i/182196556219-0-1/s-l1000.jpg',
                'http://i.ebayimg.com/images/i/182196556219-0-1/s-l1001.jpg',
                'http://i.ebayimg.com/images/i/182196556219-0-1/s-l1002.jpg'
            ]
        }
    };
    var sku = '32984729384730';
    try {
        var response = await eBay.inventory.createOrReplaceInventoryItem(sku, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Delete Inventory Item
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);

    var sku = '32984729384730';
    try {
        var response = await eBay.inventory.deleteInventoryItem(sku);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Bulk Inventory Item
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'requests': [
            {
                'sku': '13465446'
            },
            {
                'sku': '132165496'
            }
        ]
    };
    try {
        var response = await eBay.inventory.bulkGetInventoryItem(data);
        console.log('response ', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Inventory Item
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var sku = '32984729384730';
    try {
        var response = await eBay.inventory.getInventoryItem(sku);
        console.log('response ', response);
    } catch (error) {
        console.log('error ', error);
    }    
```

#### Get Inventory Items
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        limit: '10'
    };
    try {
        var response = await eBay.inventory.getInventoryItems(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Location
#### Create Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'location': {
            'address': {
                'addressLine1': '2055 Hamilton Ave',
                'addressLine2': 'Building 3',
                'city': 'San Jose',
                'stateOrProvince': 'CA',
                'postalCode': '95125',
                'country': 'US'
            }
        },
        'locationInstructions': 'Open for drop-off only.',
        'name': 'Warehouse-1',
        'merchantLocationStatus': 'ENABLED',
        'locationTypes': [
            'WAREHOUSE'
        ],
        'operatingHours': [
            {
                'dayOfWeek': 'MONDAY',
                'intervals': [
                    {
                        'open': '09:00:00',
                        'close': '12:00:00'
                    },
                    {
                        'open': '13:00:00',
                        'close': '18:00:00'
                    }
                ]
            },
            {
                'dayOfWeek': 'TUESDAY',
                'intervals': [
                    {
                        'open': '09:00:00',
                        'close': '15:00:00'
                    }
                ]
            }
        ],
        'specialHours': [
            {
                'date': '2016-10-19T00:09:00.000Z',
                'intervals': [
                    {
                        'open': '09:00:00',
                        'close': '11:00:00'
                    }
                ]
            }
        ]
    };
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.createInventoryLocation(customLocationIdentifier, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Delete Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.deleteInventoryLocation(customLocationIdentifier);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Disable Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.disableInventoryLocation(customLocationIdentifier);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Enable Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.enableInventoryLocation(customLocationIdentifier);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.getInventoryLocation(customLocationIdentifier);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Inventory Locations
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        limit: 10,
        offset: 0
    };
    try {
        var response = await eBay.location.getInventoryLocations(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Update Inventory Location
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'name': 'My Store #1',
        'location': {
            'address': {
                'addressLine1': '2055 Hamilton Ave',
                'addressLine2': 'Building 3',
                'city': 'San Jose',
                'stateOrProvince': 'CA',
                'postalCode': '95008',
                'country': 'US'
            }
        },
        'merchantLocationStatus': 'ENABLED',
        'locationTypes': [
            'STORE'
        ],
        'merchantLocationKey': 'store-1'
    };
    var customLocationIdentifier = 'LOC1014';
    try {
        var response = await eBay.location.updateInventoryLocation(customLocationIdentifier, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Offer
#### Create Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'sku': '32984729384730',
        'marketplaceId': 'EBAY_US',
        'format': 'FIXED_PRICE',
        'listingDescription': 'This is Test product',
        'availableQuantity': 1,
        'quantityLimitPerBuyer': 1,
        'pricingSummary': {
            'price': {
                'value': 0.99,
                'currency': 'USD'
            }
        },
        'listingPolicies': {
            'fulfillmentPolicyId': '78842674011',
            'paymentPolicyId': '61019561011',
            'returnPolicyId': '61019560011'
        },
        'categoryId': '178086',
        'merchantLocationKey': 'Store1',
        'tax': {
            'vatPercentage': 10.2,
            'applyTax': true,
            'thirdPartyTaxCategory': 'Electronics'
        }
    };
    try {
        var response = await eBay.offer.createOffer(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Delete Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var offerId = '6360335010';
    try {
        var response = await eBay.offer.deleteOffer(offerId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Listing Fees
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        offers: [
            {
                'offerId': '6360337010'
            }
        ]
    };
    try {
        var response = await eBay.offer.getListingFees(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var offerId = '6360335010';
    try {
        var response = await eBay.offer.getOffer(offerId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Offers By Sku
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        sku: '32984729384730'
    };
    try {
        var response = await eBay.offer.getOffers(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Publish Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var offerId = '6360337010';
    try {
        var response = await eBay.offer.publishOffer(offerId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Update Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var data = {
        'availableQuantity': 60,
        'categoryId': '30120',
        'listingDescription': 'Test Test : Lumia phone with a stunning 5.7 inch Quad HD display and a powerful octa-core processor.',
        'listingPolicies': {
            'fulfillmentPolicyId': '78842674011',
            'paymentPolicyId': '61019561011',
            'returnPolicyId': '61019560011'
        },
        'pricingSummary': {
            'price': {
                'currency': 'USD',
                'value': '260.00'
            }
        },
        'quantityLimitPerBuyer': 3
    };
    var offerId = '6360335010';
    try {
        var response = await eBay.offer.updateOffer(offerId, data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Withdraw Offer
```
    var userToken = utils.USER_TOKEN;
    eBay.setUserToken(userToken);
    var offerId = '6360335010';
    try {
        var response = await eBay.offer.withdrawOffer(offerId);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Shopping
#### Find Products
```
    try {
        var content = fse.readFileSync('./sample.xml', 'UTF-8');
        // console.log('content', content);

        var response = await eBay.shopping.findProducts({content: content});
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### Trading
#### Add Item
```
    try {
        var content = fse.readFileSync('./sample.xml', 'UTF-8');
        // console.log('content', content);

        var response = await eBay.trading.addItem({content: content});
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Item
```
    try {
        var content = fse.readFileSync('./sample.txt', 'UTF-8');
        // console.log('content', content);
        var response = await eBay.trading.addItem({content: content});
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

#### Get Session Id
```
    var devId = utils.DEV_ID;
    var ruName = utils.RU_NAME;

    eBay.setDevName(devId);

    const obj = {
        '@': {
            'xmlns': 'urn:ebay:apis:eBLBaseComponents'
        },
        'ErrorLanguage': 'en_US',
        'WarningLevel': 'High',
        'RuName': ruName
    };

    var content = js2xmlparser.parse('GetSessionIDRequest', obj, {declaration: {encoding: 'UTF-8'}});

    try {
        var response = await eBay.trading.getSessionID({content: content});
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```

### User
#### Get Redirect Url
```
    try {
        var DEFAULT_SCOPE_SANDBOX = 'https://api.ebay.com/oauth/api_scope/sell.inventory https://api.ebay.com/oauth/api_scope/commerce.catalog.readonly';

        var options = {
            scope: DEFAULT_SCOPE_SANDBOX,
            redirectURI: 'Bhushankumar_L-Bhushank-DemoAp-onqph'
        };
        var response = await eBay.user.getRedirectUrl(options);
        console.log('redirectUrl ', response);
    } catch (error) {
        console.log('error ', error);
    }    
```

#### Refresh User Token
```
    try {
        var options = {
            access_token: 'v7.1#i7#p^3#f^0#I^3#r^0#t^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',
            refresh_token: 'v7.1#i7#f^0#p^3#r7#I^3#t^Ul4xMF8wOkJFNDYxN0FFQzQxMjMxRDZCRkQ3RTNCNTQwMzFDNDM5XzJfMSNFXjEyODQ='
        };
        var response = await eBay.user.refreshUserToken(options);
        console.log('refreshedToken ', response);
    } catch (error) {
        console.log('error ', error);
    }    
```

#### Retrieve User Token
```
    var token = {};
    try {
        var options = {
            redirectURI: 'Bhushankumar_L-Bhushank-DemoAp-onqph',
            code: 'v^1.1#i^1#f^0#r^1#p^3#I^3#t^Ul41Xzg6QTgwNEM4REE5RDUwODMyNzgyNjJFNUVBRTk1OTQ3QzlfMl8xI0VeMTI4NA=='
        };
        token = await eBay.user.retrieveUserToken(options);
        console.log('response ', token);
    } catch (error) {
        console.log('error ', error);
        return;
    }
    console.log('user token ', token.access_token);
    eBay.setUserToken(token.access_token);
    var data = {
        q: 'drone'
    };
    try {
        var response = await eBay.catalog.search(data);
        console.log('response', response);
    } catch (error) {
        console.log('error ', error);
        return;
    }    
```