# Product Data Feed Specification — RevenueWorks > All requirements for your XML product data feed for Google Shopping, price comparisons and affiliate networks: required fields, formats, plugins. Source: https://revenueworks.ai/feed-spezifikation Language: en --- Feed Specification # Product Data Feed Specification For your product data to flow correctly into shopping campaigns, price comparison sites, and affiliate networks, your feed must meet these minimum requirements. Format & Delivery ## Minimum Feed Requirements ### XML File Feed must be provided as .xml file — accessible via a public URL. ### Always Current On every request, data must reflect current state (price, availability, stock). ### Encoding & Structure UTF-8 encoding. Valid XML with unique product nodes. No HTML tags in text fields. feed.xml Shop Name - Product Feed https://www.example.com 4011200296908 Nike Air Max 90 Herren Sneaker Weiß Gr. 43 Klassischer Lifestyle-Sneaker mit... https://www.example.com/nike-air-max-90 https://cdn.example.com/img/air-max-90.jpg 149.99 EUR 119.99 EUR new in\_stock Nike Bekleidung > Schuhe > Sportschuhe 4011200296908 Weiß 43 male nike-am90-white DE 0.00 EUR Required Fields ## Minimum Columns These columns must be in every feed. Missing required fields lead to product rejections. `id` EAN / ID Unique identifier for each product. Ideally the EAN/GTIN. String, max 50 chars Required `title` Titel Product name. Key info first (brand, type, color, size). Max 150 chars. Text, max 150 chars Required `description` Description Detailed product description. No promotional text, no links. Text, max 5,000 chars Required `link` Link Direct URL to product page. Must start with https://. URL Required `image_link` Image Link Main image URL. Min 250×250px (clothing: 250×250px). JPEG, PNG or WebP. URL Required `price` Price Regular price incl. currency. Format: 29.99 EUR Number + Currency Required `sale_price` Sale Price Discounted price if active. Must be lower than price. Number + Currency Optional `condition` Condition Product condition: new, used, or refurbished. Enum Required `availability` Availability in\_stock, out\_of\_stock, preorder, or backorder. Enum Required `brand` Brand Product brand name. Text, max 70 chars Required `google_product_category` Google Product Category Official Google product category. Use Google Taxonomy. Text or ID Required `shop` Shop Shop name (can be derived from TLD). Text Required Extended Attributes ## Recommended Additional Columns Per official Google Merchant Center product data specification. These fields improve visibility and campaign management. ### Product Identifier `gtin`Global Trade Item Number (8, 12, 13 or 14 digits). `mpn`Manufacturer Part Number — if no GTIN available. ### Variants `item_group_id`Groups variants (size, color) of the same product. `color`Product color. Required for apparel. `size`Product size. Required for apparel & shoes. `gender`male, female, or unisex. Required for apparel. `age_group`newborn, infant, toddler, kids, adult. Required for apparel. ### Details `material`Main material of the product. `pattern`Pattern/print of the product (e.g. striped, plaid). `multipack`Number of identical products in a multipack. `is_bundle`Whether the product is a bundle of multiple products. `energy_efficiency_class`EU energy label (A+++ to G). Required in EU for certain product groups. ### Media `additional_image_link`Up to 10 additional product images (URLs). ### Categorization `product_type`Shop's own product category. ### Price `sale_price_effective_date`Start and end date of sale in ISO 8601 format. `tax`Tax rate (relevant for USA only). ### Shipping `shipping`Shipping costs and speed per country. `shipping_weight`Product weight for shipping calculation. ### Campaigns `custom_label_0-4`5 custom labels for campaign management (e.g. "Bestseller", "Margin > 30%"). `promotion_id`ID of a linked promotion in Merchant Center. #### Complete Google Specification All attributes, formats and requirements in the official Google Merchant Center help article. [Google Docs](https://support.google.com/merchants/answer/7052112?hl=de) Feed Plugins ## Recommended Plugins for Your Shop System These plugins let you create your product data feed directly from your shop system — no manual work needed. ### Shopify [ Simprosys Google Shopping Feed 70,000+ installs. Industry standard. ](https://apps.shopify.com/google-shopping-feed)[ AdNabu — AI Feed Optimization AI-optimized titles & descriptions. ](https://apps.shopify.com/google-shopping-feed-2)[ DataFeedWatch For large catalogs with 5,000+ products. ](https://apps.shopify.com/datafeedwatch) ### WooCommerce [ Product Feed PRO (AdTribes) 100+ channels. Unlimited products — free. ](https://wordpress.org/plugins/woo-product-feed-pro/)[ CTX Feed (WebAppick) 220+ templates. Ideal for beginners. ](https://wordpress.org/plugins/webappick-product-feed-for-woocommerce/)[ Google Listings & Ads (Offiziell) Official Google integration for WooCommerce. ](https://wordpress.org/plugins/google-listings-and-ads/) ## Feed missing or broken? RevenueWorks creates, optimizes and monitors your product data feed — one-time or as managed service. No subscription needed. 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