Compare the Top Recommendation APIs as of June 2025

What are Recommendation APIs?

Recommendation APIs are software applications that use artificial intelligence and machine learning techniques to provide accurate and personalized product recommendations. These systems supply data-driven insights that help businesses increase engagement, drive sales, and optimize customer experience. AI recommendation APIs offer scalability and can be used in various contexts such as ecommerce websites, mobile apps, search engines, and more. They are designed to analyze customer behavior and provide tailored product recommendations based on individual customer preferences. Compare and read user reviews of the best Recommendation APIs currently available using the table below. This list is updated regularly.

  • 1
    Luigi's Box

    Luigi's Box

    Luigi's Box

    Luigi's Box is a search and discovery solution designed specifically for e-commerce websites to improve the customer experience and achieve desired revenue. Through years of operation, Luigi's Box earned several awards for its intelligent AI-driven Search and Analytics. Our advanced features helped companies such as O2, Mountfield, and Answear successfully increase search usage and conversions. Luigi's Box is easy to use and has a user-friendly interface, making it suitable for businesses of all sizes and kinds. We understand that e-commerce businesses have unique needs, and a good product discovery solution should offer a range of advanced features to allow them to tailor the search experience to their specific needs. Luigi's Box is the easiest-to-use solution for its seamless integration. You need to just paste the tracking script into the header of your web. But we offer various types of implementation to choose from based on your preferences.
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    Starting Price: €99 per month
  • 2
    Algolia

    Algolia

    Algolia

    Algolia is a search and discovery API platform for building powerful and composable experiences while solving for relevance with AI and configurable rules. Algolia Search enables our customers to design and implement unique search experiences using the design language of their choice. Algolia Recommend is a robust API that allows you to add “frequently bought together” and “related items” into any digital experience with as little as 6 lines of code.
    Starting Price: $0
  • 3
    Search.io

    Search.io

    Search.io

    Search.io is re-engineering search to give all developers the tools to create intelligent search applications in hours, not months. With machine-learning at its core, Search.io automatically optimizes search results based on customer and business data. In a few lines of configuration code, developers can implement advanced capabilities, like A/B testing, reinforcement learning, and Bayes classification, that would take months to implement otherwise. Search.io enables thousands of businesses worldwide to provide highly-intelligent search experiences on their websites, stores, and applications.
    Starting Price: $0.00 per month
  • 4
    Klevu

    Klevu

    Klevu

    Klevu is an intelligent site search solution designed to help e-commerce businesses increase onsite sales and improve the customer online shopping experience. Klevu powers the search and navigation experience of thousands of mid-level and enterprise online retailers by leveraging advanced semantic search, natural language processing, merchandising and multi-lingual capabilities, ensuring visitors to your site find exactly what they are looking for regardless of the device or query complexity. Klevu AI is the most human-centric based AI, designed specifically for ecommerce, and one of the most comprehensive, included in Gartner’s Market Guide 2021 for Digital commerce search. Deliver relevant search results to your customers with Klevu’s powerful and customizable search engine built exclusively for ecommerce.
    Starting Price: $449 per month
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