# Recombee Documentation > Recombee is a Recommender as a Service with easy integration and powerful Admin UI. This documentation covers integration, API reference, SDKs, and scenario recipes. ## User Documentation - [Introduction](https://docs.recombee.com/index.md): Recombee is a recommendation engine with easy integration and powerful Admin UI. Our service has multiple use cases (e.g. in media, e-commerce). - [Getting Started](https://docs.recombee.com/getting_started.md): Read our guide with integration examples and start with the integration of Recombee's engine today. - [Recommendation Logics](https://docs.recombee.com/recommendation_logics.md): While Recombee is generally a domain-independent recommendation engine and the default model is optimized to work well in most cases, we have used our experience in some frequent domains to setup some tuned models, and you can now easily pick the logic that is tailored for the particular case. - [Integration Tips](https://docs.recombee.com/integration_tips.md) - [Item Segmentations](https://docs.recombee.com/segmentations.md) - [Tutorial](https://docs.recombee.com/tutorial.md): Learn how to set up sending of interactions and upload items catalog to Recombee and receive recommendations based on them. - [API Reference](https://docs.recombee.com/api.md): Explore all available API endpoints, that allow you to manage item catalog, users, their interactions, and get recommendations. ## Admin UI - [Admin UI](https://docs.recombee.com/admin_ui.md): Recombee Admin UI is available at admin.recombee.com. On registration an Organization is created for your company. - [Insights](https://docs.recombee.com/insights.md) - [Scenarios](https://docs.recombee.com/scenarios.md): A Scenario defines a specific application of recommendations on your website, mobile app, or email campaign. You can configure distinct behavior for each scenario. - [Catalog Feeds](https://docs.recombee.com/catalog_feeds.md): Setting a catalog feed in the Recombee Admin UI is an alternative to uploading the items catalog using our API. - [No-Code Widgets](https://docs.recombee.com/no-code-widgets.md) ## ReQL - [Introduction to ReQL](https://docs.recombee.com/reql.md): Recombee Query Language (ReQL) provides an elegant way of applying business rules or any other rules to the recommendations. - [Filtering and Boosting](https://docs.recombee.com/reql_filtering_and_boosting.md): In filtering, the expression must return boolean value for each item. In advanced applications, you may wish to boost the recommendation rates of some items. - [ReQL Functions](https://docs.recombee.com/reql_functions.md): Functions may be used to enhance your ReQL queries – for example upsell or getting nearby items can be achieved easily by functions. ## API Clients & Integrations - [API Clients (SDKs)](https://docs.recombee.com/api_clients.md): We provide clients with libraries in multiple programming languages (e.g. JavaScript, Java, Python, Ruby) that make integration of recommendation engine into web or app easy. - [Widget SDKs](https://docs.recombee.com/widget-sdks.md) - [Segment Integration](https://docs.recombee.com/segment.md) - [Keboola Integration](https://docs.recombee.com/keboola.md): Upload catalog and interactions from CSV into Recombee via Keboola Writer. - [Recombee Shoptet GTM Integration](https://docs.recombee.com/shoptet_gtm_integration.md): Manual for Recombee GTM integration on Shoptet e-commerce web sites. ## Optional ### Scenario Recipes - [Video](https://docs.recombee.com/recipes/video.md) - [E-Commerce](https://docs.recombee.com/recipes/e-commerce.md) - [News & Articles](https://docs.recombee.com/recipes/news.md) - [Music & Podcasts](https://docs.recombee.com/integration_tips#id10.md) - [Real Estate](https://docs.recombee.com/integration_tips#id20.md) ### Misc - [Third Party Login / SSO](https://docs.recombee.com/third_party_login_sso.md): Manual for enabling third party authentication to Recombee. ### Additional Pages - [Property Roles](https://docs.recombee.com/api/property_roles_metadata.md): A reference of available property roles that can be assigned to item properties, helping the recommendation engine understand the meaning of your data. - [Authentication (HMAC)](https://docs.recombee.com/authentication.md): HMAC-based authentication is the single preferred way of authentication to Recombee APIs. - [Go API Client](https://docs.recombee.com/go_client.md): Go API Documentation - [Java API Client](https://docs.recombee.com/java_client.md): Java API Documentation - [JavaScript API Client](https://docs.recombee.com/js_client.md): JavaScript API Documentation - [Kotlin API Client](https://docs.recombee.com/kotlin_client.md): Kotlin API Documentation - [.NET API Client](https://docs.recombee.com/net_client.md): .NET API Documentation - [Node.js API Client](https://docs.recombee.com/node_client.md): Node.js API Documentation - [PHP API Client](https://docs.recombee.com/php_client.md): PHP API Documentation - [Python API Client](https://docs.recombee.com/python_client.md): Python API Documentation - [Cart](https://docs.recombee.com/recipes/e-commerce/cart.md) - [Category Page](https://docs.recombee.com/recipes/e-commerce/category/reordering-of-category-products.md) - [Bestsellers](https://docs.recombee.com/recipes/e-commerce/fully-personalized-homepage/bestsellers.md): Guide to set up and optimize 'Bestsellers' rows for E-Commerce using Recombee. - [Brands For You](https://docs.recombee.com/recipes/e-commerce/fully-personalized-homepage/brands-for-you.md) - ["For You" Sections](https://docs.recombee.com/recipes/e-commerce/fully-personalized-homepage/for-you-sections.md): Guide to set up and optimize 'Recommended For You' rows for E-Commerce using Recombee. - [Personalized Re-ordering of Sections](https://docs.recombee.com/recipes/e-commerce/fully-personalized-homepage/personalized-re-ordering-of-sections-advanced.md): Learn how to personalize the order of homepage sections and the products within them using Recombee. - [Recently Viewed](https://docs.recombee.com/recipes/e-commerce/fully-personalized-homepage/recently-viewed.md): Guide to set up and optimize 'Recently Viewed' rows for E-Commerce using Recombee. - [Personalized Emailing](https://docs.recombee.com/recipes/e-commerce/personalized-emailing.md) - [Alternative Products & Upsell](https://docs.recombee.com/recipes/e-commerce/product-detail/alternative-products-and-upsell.md) - [Bought Together & Accessories](https://docs.recombee.com/recipes/e-commerce/product-detail/bought-together-and-accessories.md) - [Faceted Search](https://docs.recombee.com/recipes/e-commerce/search/faceted-search.md) - [Quick Search](https://docs.recombee.com/recipes/e-commerce/search/quick-search.md) - [Cross-Site Recommendations on Article Page](https://docs.recombee.com/recipes/news/article/cross-site-recommendations.md): Learn how to set up cross-site recommendations for your news platform with Recombee, offering personalized article suggestions from different sites. - [Read-Next Recommendations](https://docs.recombee.com/recipes/news/article/read-next.md): Learn how to set up Read-Next recommendations for your news platform with Recombee, delivering relevant articles to keep users engaged after reading. - [Cross-Site Recommendations on Homepage](https://docs.recombee.com/recipes/news/homepage/cross-site-recommendations.md): Learn how to set up personalized cross-site recommendations on your news homepage using Recombee. - [Latest News](https://docs.recombee.com/recipes/news/homepage/latest-news.md): Learn how to configure a Latest News scenario with Recombee to surface the most recently published articles on your platform. - [Personalized Editors’ Picks](https://docs.recombee.com/recipes/news/homepage/personalized-editors-picks.md): Learn how to configure a personalized Editors’ Picks section for news platforms with Recombee, blending editorial curation with personalization. - [Personalized News Feed](https://docs.recombee.com/recipes/news/homepage/personalized-feed.md): Learn how to set up a Personalized News Feed for your news platform with Recombee, offering infinite scroll functionality and tailored content recommendations. - [Personalized Sections With Reordering](https://docs.recombee.com/recipes/news/homepage/personalized-sections-with-reordering.md): Learn how to personalize the order of homepage sections and the articles within them using Recombee. - [Top Stories](https://docs.recombee.com/recipes/news/homepage/top-stories.md): Learn how to configure a Top Stories scenario for news platforms using Recombee, combining trending news, personalized content, and editorial picks. - [Personalized Emailing](https://docs.recombee.com/recipes/news/personalized-emailing.md): Learn how to send personalized news emails using Recombee — combining user preferences with unread, timely content for impactful newsletters. - [Search Articles](https://docs.recombee.com/recipes/news/search-articles.md) - [More Like This](https://docs.recombee.com/recipes/video/asset-detail-and-player/more-like-this.md) - [Watch Next](https://docs.recombee.com/recipes/video/asset-detail-and-player/watch-next.md) - [Short Videos Feed](https://docs.recombee.com/recipes/video/feed/swiping-feed.md) - [Actors For You](https://docs.recombee.com/recipes/video/fully-personalized-homepage/actors-for-you.md) - [Because You Watched](https://docs.recombee.com/recipes/video/fully-personalized-homepage/because-you-watched.md): Learn how to create a "Because You Watched" row that recommends similar titles to what your users recently watched. - [Continue Watching](https://docs.recombee.com/recipes/video/fully-personalized-homepage/continue-watching.md) - [Editors’ Picks For You](https://docs.recombee.com/recipes/video/fully-personalized-homepage/editors-picks-for-you.md) - [Personalized Re-ordering of Rows](https://docs.recombee.com/recipes/video/fully-personalized-homepage/personalized-re-ordering-of-rows-advanced.md) - [Popular & Trending](https://docs.recombee.com/recipes/video/fully-personalized-homepage/popular-and-trending.md) - [“Recommended For You” Rows](https://docs.recombee.com/recipes/video/fully-personalized-homepage/recommended-for-you-rows.md) - [Personalized Emailing](https://docs.recombee.com/recipes/video/personalized-emailing.md) - [Search Movies/Series](https://docs.recombee.com/recipes/video/search-movies-and-series.md) - [Regions](https://docs.recombee.com/regions.md) - [Ruby API Client](https://docs.recombee.com/ruby_client.md): Ruby API Documentation - [Shoptet Integration](https://docs.recombee.com/shoptet_integration.md): Manual for Recombee integration on Shoptet e-commerce web sites. - [Swift API Client](https://docs.recombee.com/swift_client.md): Swift API Documentation - [Date and Time Specifiers](https://docs.recombee.com/time_specifiers.md) - [Carousel Widget (JS)](https://docs.recombee.com/widget-sdks/carousel-widget-js.md) - [Carousel Widget (React)](https://docs.recombee.com/widget-sdks/carousel-widget-react.md) - [Feed Widget (JS)](https://docs.recombee.com/widget-sdks/feed-widget-js.md) - [Feed Widget (React)](https://docs.recombee.com/widget-sdks/feed-widget-react.md) - [Grid Widget (JS)](https://docs.recombee.com/widget-sdks/grid-widget-js.md) - [Grid Widget (React)](https://docs.recombee.com/widget-sdks/grid-widget-react.md) - [Quick Search Widget (JS)](https://docs.recombee.com/widget-sdks/quick-search-widget-js.md) - [Quick Search Widget (React)](https://docs.recombee.com/widget-sdks/quick-search-widget-react.md)