# Knowledge base / FAQ **URL:** https://forum.mergado.com/c/knowledgebase-faq/51.md [Latest](https://forum.mergado.com/latest.md) · [Categories](https://forum.mergado.com/categories.md) · [Tags](https://forum.mergado.com/tags.md) --- ## [New Project - Generating Shopify API Credentials](https://forum.mergado.com/t/new-project-generating-shopify-api-credentials/1103)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 0\ **Last updated:** [January 28, 2025, 3:21pm UTC](https://forum.mergado.com/t/new-project-generating-shopify-api-credentials/1103 "2025-01-28T15:21:26Z")
How to generate Shopify API credentials for Mergado (from January 1, 2026) :warning: IMPORTANT instructions for connecting In the URLs \> App URL field enter: https://app.mergado.com/ :light\_bulb:You must enter this UR… --- ## [How to Connect the UNAS E-shop Platform to Mergado Editor via API](https://forum.mergado.com/t/how-to-connect-the-unas-e-shop-platform-to-mergado-editor-via-api/1242)
**Author:** [@leosh](https://forum.mergado.com/u/leosh)\ **Replies:** 0\ **Last updated:** [February 19, 2026, 5:49pm UTC](https://forum.mergado.com/t/how-to-connect-the-unas-e-shop-platform-to-mergado-editor-via-api/1242 "2026-02-19T17:49:19Z")
How to connect an e-shop running on the UNAS platform to Mergado Editor via API Step 1 First, you need to generate an access key within the e-shop platform. Go to: Beállítások → Külső kapcsolatok → API kapcsolat Full p… --- ## [List of Operators in MQL](https://forum.mergado.com/t/list-of-operators-in-mql/1216)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 0\ **Last updated:** [October 14, 2025, 6:22am UTC](https://forum.mergado.com/t/list-of-operators-in-mql/1216 "2025-10-14T06:22:08Z")
List of Operators in MQL Operator Meaning CONTAINS contains text NOT CONTAINS does not contain text = equals != not equal ~ contains regular expression !~ does not contain regular expression \<= is les… --- ## [Get into SEO with Mergado](https://forum.mergado.com/t/get-into-seo-with-mergado/682)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [May 5, 2023, 1:29pm UTC](https://forum.mergado.com/t/get-into-seo-with-mergado/682 "2023-05-05T13:29:14Z")
What is SEO? Search Engine Optimization (SEO) is the process of influencing the visibility of a website or page in the non-paid part of the internet search engine results. SEO focuses on different types of searches inclu… --- ## [Creating a project](https://forum.mergado.com/t/creating-a-project/469)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [June 24, 2022, 7:24am UTC](https://forum.mergado.com/t/creating-a-project/469 "2022-06-24T07:24:05Z")
The new project acts as a guide that will walk you through creating your first project. Below, we will describe the individual steps and other important information. The guide is intended for users who are new to Mergado… --- ## [How often are products imported in Mergado?](https://forum.mergado.com/t/how-often-are-products-imported-in-mergado/889)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [September 29, 2023, 1:44pm UTC](https://forum.mergado.com/t/how-often-are-products-imported-in-mergado/889 "2023-09-29T13:44:03Z")
In the Mergado Editor you can find import information as follows: First, move to the History page. Select Import products from the drop-down menu. a. The regeneration (i.e. the import) takes place about four times a d… --- ## [What are product feeds and how to use them profitably](https://forum.mergado.com/t/what-are-product-feeds-and-how-to-use-them-profitably/1205)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [September 3, 2025, 12:03pm UTC](https://forum.mergado.com/t/what-are-product-feeds-and-how-to-use-them-profitably/1205 "2025-09-03T12:03:44Z")
What are product feeds In order to start advertising your goods on selected advertising platforms and be able to list them in product catalogs, you must send them the required (and possibly optional) information about th… --- ## [How to use supply feeds for effective e-shop business](https://forum.mergado.com/t/how-to-use-supply-feeds-for-effective-e-shop-business/1202)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [September 2, 2025, 12:05pm UTC](https://forum.mergado.com/t/how-to-use-supply-feeds-for-effective-e-shop-business/1202 "2025-09-02T12:05:30Z")
Introduction to supply feeds Before an order reaches the e-shop offer, so that it can subsequently reach the customer, it must complete several steps: the goods are manufactured, inspected, arrive at the warehouse and fi… --- ## [Bulk rewriting by values](https://forum.mergado.com/t/bulk-rewriting-by-values/488)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 1\ **Last updated:** [August 27, 2025, 11:13am UTC](https://forum.mergado.com/t/bulk-rewriting-by-values/488 "2025-08-27T11:13:43Z")
Description This rule allows you to completely overwrite the original element values based on values in another element. This is a very versatile and useful rule which is often used. Use If we want to set different … --- ## [Set product parameters](https://forum.mergado.com/t/set-product-parameters/477)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [June 24, 2022, 12:14pm UTC](https://forum.mergado.com/t/set-product-parameters/477 "2022-06-24T12:14:31Z")
In this post we will learn: What is it used for? How does the rule work? Examples of use What is it used for? As the name suggests, the rule is used to set product parameters and their values. In the rule, it is possi… --- ## [Rename categories in bulk](https://forum.mergado.com/t/rename-categories-in-bulk/489)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 1\ **Last updated:** [August 27, 2025, 10:48am UTC](https://forum.mergado.com/t/rename-categories-in-bulk/489 "2025-08-27T10:48:37Z")
Description Many e-shops use own category tags, but some search engines indicate a clear specification of the CATEGORYTEXT element content. This rule makes editing easier for you. For ease of work, this rule allows you… --- ## [Remove parameter values](https://forum.mergado.com/t/remove-parameter-values/1199)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 26, 2025, 11:02am UTC](https://forum.mergado.com/t/remove-parameter-values/1199 "2025-08-26T11:02:40Z")
In this post we will learn: What is it used for? How does the rule work? Examples of use Summary What is it used for? The rule is used to clean up data from the feed, specifically to remove parameter values. Individua… --- ## [How does payment for additional apps (extensions) from Mergado Store work with annual payment frequency?](https://forum.mergado.com/t/how-does-payment-for-additional-apps-extensions-from-mergado-store-work-with-annual-payment-frequency/1197)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 22, 2025, 7:53am UTC](https://forum.mergado.com/t/how-does-payment-for-additional-apps-extensions-from-mergado-store-work-with-annual-payment-frequency/1197 "2025-08-22T07:53:07Z")
If you have already set up annual billing or have switched to annual payments, you will receive benefits not only for the Mergado tariff itself, but also for additional extensions (apps) from the Mergado Store. Let’s tak… --- ## [How to set/change the feed format](https://forum.mergado.com/t/how-to-set-change-the-feed-format/1195)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 21, 2025, 7:38am UTC](https://forum.mergado.com/t/how-to-set-change-the-feed-format/1195 "2025-08-21T07:38:22Z")
Don’t know how to set the format you need for your feed? Let’s take a look. :point\_down: How to set the feed format You set the output feed format when creating a new project. Procedure: Create a new project Select t… --- ## [How to start using Mergado?](https://forum.mergado.com/t/how-to-start-using-mergado/1194)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 21, 2025, 7:12am UTC](https://forum.mergado.com/t/how-to-start-using-mergado/1194 "2025-08-21T07:12:49Z")
How to start using Mergado? There are two options: You have a skilled person in your company who is dedicated to marketing and, with the help of our help section, information from our blog, or our training courses, wil… --- ## [How to find duplicate products](https://forum.mergado.com/t/how-to-find-duplicate-products/1191)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 13, 2025, 10:18am UTC](https://forum.mergado.com/t/how-to-find-duplicate-products/1191 "2025-08-13T10:18:23Z")
In Mergado, you can find duplicate products as follows: On the Elements page, select the element containing duplicates, e.g., PRODUCTNAME, EAN, or another, and click on the list of values. On the element values page… --- ## [Element g:id](https://forum.mergado.com/t/element-g-id/1190)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 13, 2025, 8:46am UTC](https://forum.mergado.com/t/element-g-id/1190 "2025-08-13T08:46:46Z")
Basic information This is a unique product identifier in the feed. It is mandatory for Google Shopping. Google recommends using SKU codes from your system as g:id values, as they are unique. It can contain a maximum of … --- ## [How to work with product queries in Mergado](https://forum.mergado.com/t/how-to-work-with-product-queries-in-mergado/1193)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 13, 2025, 1:16pm UTC](https://forum.mergado.com/t/how-to-work-with-product-queries-in-mergado/1193 "2025-08-13T13:16:15Z")
Creating queries (group of products) is one of Mergado’s basic functions – you can use them to influence your ad settings for different groups of your products. What are queries and what are they used for? Queries in M… --- ## [Element g:availability](https://forum.mergado.com/t/element-g-availability/1192)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 13, 2025, 10:38am UTC](https://forum.mergado.com/t/element-g-availability/1192 "2025-08-13T10:38:43Z")
Basic information The g:availability element contains information about whether the product is in stock. This is a mandatory element in the feed for Google Shopping. Possible availability values are: in\_stock = the pro… --- ## [Element link](https://forum.mergado.com/t/element-link/1188)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 13, 2025, 7:48am UTC](https://forum.mergado.com/t/element-link/1188 "2025-08-13T07:48:06Z")
Basic information The link element contains a link to the e-shop (URL address) for a specific product, where the product can be added to the shopping cart. The product URL must be unique across all products in the feed. … --- ## [How to e-commerce expansion](https://forum.mergado.com/t/how-to-e-commerce-expansion/1186)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 12, 2025, 1:29pm UTC](https://forum.mergado.com/t/how-to-e-commerce-expansion/1186 "2025-08-12T13:29:20Z")
Introduction to expansion Expansion Expansion goals Types of expansion How to prepare for expansion How Mergado can help you with expansion Feed management options for expansion Which apps (extentions) facilitate expan… --- ## [Macros](https://forum.mergado.com/t/macros/511)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 0\ **Last updated:** [July 8, 2022, 8:37am UTC](https://forum.mergado.com/t/macros/511 "2022-07-08T08:37:20Z")
Automations are preset actions that perform Mergado actions flawlessly and efficiently for you . They are available in several language versions, you have preset automations available, and you can also create your ones a… --- ## [How to merge online stores in Mergado?](https://forum.mergado.com/t/how-to-merge-online-stores-in-mergado/1181)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 6, 2025, 8:55am UTC](https://forum.mergado.com/t/how-to-merge-online-stores-in-mergado/1181 "2025-08-06T08:55:53Z")
To merge your online stores, contact technical support of Mergado and let us know which stores are involved. We will take care of the rest. We will transfer the projects from one store to another, including all settings… --- ## [How to change the owner of an online store in Mergado?](https://forum.mergado.com/t/how-to-change-the-owner-of-an-online-store-in-mergado/1180)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 6, 2025, 8:50am UTC](https://forum.mergado.com/t/how-to-change-the-owner-of-an-online-store-in-mergado/1180 "2025-08-06T08:50:38Z")
How to manage online store permissions in Mergado? First, click on your online store in Mergado. Go to settings in the left menu. You can edit e-shop users in the User Permissions tab (three figures icon). If you wan… --- ## [How to create, rename, or delete an element](https://forum.mergado.com/t/how-to-create-rename-or-delete-an-element/1179)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [August 6, 2025, 8:41am UTC](https://forum.mergado.com/t/how-to-create-rename-or-delete-an-element/1179 "2025-08-06T08:41:54Z")
How to create a new element? Click on the page with elements and then on the “new element” button. Name the new element at the bottom. Select whether you want an element or an attribute and save. You can also add a nes… --- ## [Merge variants rule](https://forum.mergado.com/t/merge-variants-rule/967)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [May 14, 2024, 7:36am UTC](https://forum.mergado.com/t/merge-variants-rule/967 "2024-05-14T07:36:10Z")
How to merge item variants In this post you will learn: What is the use of the rule Merge variants of items How to recognize a format that is so-called variant Setting the Merge variants rule Example of the most commo… --- ## [How can I create a new export?](https://forum.mergado.com/t/how-can-i-create-a-new-export/462)
**Author:** [@petrmindl](https://forum.mergado.com/u/petrmindl)\ **Replies:** 0\ **Last updated:** [June 21, 2022, 3:05pm UTC](https://forum.mergado.com/t/how-can-i-create-a-new-export/462 "2022-06-21T15:05:16Z")
New project The new project serves as a guide to help you create your first project. Below, we will describe the individual steps and other important information. This tutorial is intended for users who are new to Merga… --- ## [Export to Allegro via Mergado Marketplace for different locals](https://forum.mergado.com/t/export-to-allegro-via-mergado-marketplace-for-different-locals/1058)
**Author:** [@makszutov](https://forum.mergado.com/u/makszutov)\ **Replies:** 1\ **Last updated:** [September 3, 2024, 10:07am UTC](https://forum.mergado.com/t/export-to-allegro-via-mergado-marketplace-for-different-locals/1058 "2024-09-03T10:07:01Z")
I connected my Mergado Marketplace to my Allegro account. How can I upload the same product feed in different languages so I can list the items in different countries? How I can upload the feed with pl, cz, sk, hu trans… --- ## [We have added a regeneration scheduler to the MERGADO Editor](https://forum.mergado.com/t/we-have-added-a-regeneration-scheduler-to-the-mergado-editor/772)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [June 22, 2023, 11:57am UTC](https://forum.mergado.com/t/we-have-added-a-regeneration-scheduler-to-the-mergado-editor/772 "2023-06-22T11:57:26Z")
The new regeneration scheduler adds the ability to prepare output feed updates according to the specific needs of your online trading system. Use it, for example, if you know that your system updates product data at a sp… --- ## [How to change online store owner or share access in MERGADO?](https://forum.mergado.com/t/how-to-change-online-store-owner-or-share-access-in-mergado/885)
**Author:** [@veronika\_kusalikova](https://forum.mergado.com/u/veronika_kusalikova)\ **Replies:** 0\ **Last updated:** [September 26, 2023, 1:46pm UTC](https://forum.mergado.com/t/how-to-change-online-store-owner-or-share-access-in-mergado/885 "2023-09-26T13:46:22Z")
Access can be managed in the permissions section of the e-shop and can only be changed by the owner. How to change online store permissions? Open your online store, you now have two options. You can change the permissio… [Next page](https://forum.mergado.com/c/knowledgebase-faq/51.md?page=1)