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JS API Requests for Different Site Page Types

In order to use Yespo product recommendation algorithms and customize their display on your side (appearance of blocks, display pages, etc.), follow these steps:

Examples of Requests

On the Home Page and 404 Page

eS('getRecommendations', {
  'variantId': 'r554v778'
  }, function(error, products) {

  if (error) {
            console.error(error);
            return ;
        }

});

On the Product Page

eS('getRecommendations', {
  'variantId': 'r554v778',
  'productId': 'MX-1512\42'
  }, function(error, products) {

  if (error) {
            console.error(error);
            return ;
        }

});

On the Cart Page

eS('getRecommendations', {
  'variantId': 'r554v778',
  'productIds': ['123', '543534']
  }, function(error, products) {

  if (error) {
            console.error(error);
            return ;
        }

});

On the Cart Pop-up

Use the StatusCartPage event to determine the page type and display recommendations on the cart pop-up. Example:

eS('sendEvent', 'StatusCartPage');

On the Categories Page

eS('getRecommendations', {
  'variantId': 'r554v778',
  'categoryKey': 'cK'
  }, function(error, products) {


  if (error) {
            console.error(error);
            return ;
        }
});

The JS API method is asynchronous, which allows not to wait for the execution of other functions on the site.

Request Parameters

Name Type Example Description

variantId

Required

String

r262v361

The unique ID of the recommendation variation in the Yespo account.

productId

Optional

String

MX-1512\42

To pass the product ID from the page the user is on.

Required parameter for recommendations using the product algorithm (similar products, products that were bought together with some items); for other types of algorithms, it is not necessary to pass.

productIds

Optional

List

['123', '543534']

 

To pass a product ID or an array of cart product IDs.

Required parameter for recommendations using the product algorithm (similar products, products that were bought together with some items); for other types of algorithms, it is not necessary to pass.

categoryKey

Optional

String

Jackets

To pass the key of the category the user is in.

Required parameter for recommendations using a categorical algorithm (personally for you in this category); for other types of algorithms, it is not necessary to pass.

allFields Optional Boolean true\false

Parameter for determining which product attributes will be in the recommendation request: All (which are available in the product data feed) or only Required:

product_id
url
container_type

Default parameter setting = false

Response Example

Upon successful submission of the request, you will receive a response similar to the following:

Response body Type Description
[
 {
 "product_id": "02G439",
 "container_type": "19534_r24v435",
 "url": "https://…?sc_content=19534_r24v435"
  // and other product attributes from the feed
  }
]
List<object> ●  product_id - recommended product ID
● container_type must be used when passing the event ProductImpression
● URL contains a link to the product, with an additional parameter for proper web tracking
 

Important
Don’t edit the return value in the URL field for web tracking to work correctly.

Error Example

Example Type Description

variantId r262v361 was not found in config

String

No such recommendation variant identifier was found.

Important
Send the ProductImpressions event after calling and displaying the recommendations block for proper tracking.

Filtering Recommendations

Filtering recommendations through the JavaScript API allows you to show products on your site by filtering recommendations based on data from the feed or contact information stored on your side. For example, you can filter recommendations by the city of residence, clothing size, favorite brand, promotional offer, etc.

Filtering recommendations through JS API saves you from changing the filtering rules in the data source in Yespo account every time.

Request format:

eS('getRecommendations', {
    variantId: 'r362v614',
                'filters': {
                       'include': [{'name': 'city', values: ['Kiev','Kharkiv']}]
                }
  },
  function(error, products) {
    if (error) {
      console.error(error);
      return;
    }
  }
);

Request parameters:

Name

Type

Description
filters Optional
Object
A parameter that includes filtering rules.
include Optional
List 

Strict filtering: recommend only products according to the given parameters. For example, show only products of a certain brand.

exclude Optional
List

Strict filtering: products with specified parameters are not shown. For example, do not show discount items.

should Optional
List

Non-strict filtering: products with specified parameters
shown in priority, others by default
(if there should be 20 recommendations in the search results, 5 products with the specified parameters will be shown, the remaining 15 — without applying the filter). For example, include products from a new collection in recommendations.

name

Required
String

The name of the product parameter from the product feed.
values Required List 

List of values to filter. The comma in values is the OR operator (values: ['Kiev','Kharkiv']).

You can also define a field (parameter) by which product categories will be filtered in the feed for display in recommendations. To do this, specify the desired categoryField value in the request.

Example request:

eS('getRecommendations', {
    variantId: 'r1673v2111',
		categoryKey: 'BATHROOM',
    categoryField:'tags_all_category_names'
  },
  function(error, products) {
    if (error) {
      console.error(error);
      return;
    }
  }
);

where tags_all_category_names guarantees a search across all values in the category tree.


To set the appearance of recommendation blocks in eSputnik, please read this guide.

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