Product feed for Heureka
Generate and auto-update a product feed (XML file) for Heureka. Data Octopus combines product data with sales and margin, keeps prices, availability and shipping costs up to date and sends a ready product file to Heureka.
What is Heureka?
Heureka is the largest price comparison website in the Czech Republic and Slovakia. It compares store offers for the same product, displays customer reviews and the "Ověřeno zákazníky" (Verified by Customers) badge, and charges stores on a cost-per-click basis for traffic to their listings.
Why does Heureka need a good product feed?
For stores selling in the Czech Republic and Slovakia, Heureka is one of the primary acquisition channels for ready-to-buy customers. Feed quality determines:
whether an offer is correctly matched to the product listing in the comparison,
whether price, stock availability, and delivery times are up to date,
whether paid clicks go to products that sell profitably.
How is the Data Octopus product feed better than a standard one?
Data Octopus feed
Data Octopus combines data from the feed, GA4, Google Ads, Meta Ads, and the e-commerce platform, along with margin and cost-of-goods-sold data, into a single model at the product and variant level. The feed for Heureka:
- complies with Heureka's technical specifications for the Czech and Slovak markets,
- includes only products that meet profitability and availability criteria,
- factors in margins, profit, and shipping costs for the specific market,
- updates prices and stock levels in sync with the store's data.
What does the Data Octopus product feed make possible in Heureka?
Separate product selections for the Czech Republic and Slovakia based on performance in each market.
Submitting only products to the comparison engine where cost-per-click is offset by the margin.
Excluding products that generate traffic without sales.
A cohesive product strategy aligned with campaigns across Google Ads and Seznam.
As a result, Heureka drives traffic to products that the store can sell profitably in the Czech Republic and Slovakia.
How does Data Octopus work with this data?
Strategy
Set goals for Heureka: which products to push and which to hold back.
Segmentation
We segment products by sales, margin and trends before they reach Heureka.
Feeds
A ready feed for Heureka updates automatically, with segment labels.
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Frequently asked questions
What fields must a Heureka product file include?
A Heureka product file needs at least an ID, title, description, product link, image link, price and availability. Brand, GTIN/EAN, category, sale price and variants are also recommended. Data Octopus maps these fields automatically to the Heureka specification and adds extra fields with segmentation.
Which format should a Heureka feed use: XML, CSV or Google Sheets?
The most reliable option is an XML or CSV file at a fixed URL that Heureka fetches automatically. Data Octopus generates the feed in the format Heureka requires, so there are no manual store exports or spreadsheets to maintain.
How do I optimise a Heureka product feed to improve campaign results?
The biggest gain comes from combining product data with sales and margin data. In practice: rule-based titles and descriptions, correct GTINs and categories, up-to-date prices and stock, and profitability segments in extra fields. That way the Heureka budget goes to products that make money.
How do I use custom labels (custom_label) in a Heureka feed?
Custom labels split your catalogue into groups that can get their own campaigns, budgets and goals. Data Octopus fills them daily with segments such as bestseller, high margin, new, declining or no impressions, so products move between groups in Heureka on their own.
Why are products rejected in Heureka and how do I fix it?
The most common causes are outdated price or availability, missing GTIN, a broken image or a title that is too long or incomplete. Data Octopus validates the feed before sending it to Heureka, fills missing fields with rules and refreshes prices and stock several times a day.
How often should a Heureka product feed be updated?
As often as prices and stock change in your store, which in practice means several times a day. Data Octopus updates the Heureka feed automatically, together with segments based on the latest sales data.
How do I prepare a Heureka feed for several countries and currencies?
Each market needs its own feed with the right language, currency and prices. Data Octopus builds Heureka feeds for many markets from one data model, with separate segmentation for each country.
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