Clerk.io vs Constructor

Clerk.io is an ecommerce platform that brings together Search, Recommendations, Chat, Audience, and Email. Search handles typos and vague queries, and includes sales-based ranking, facets, query suggestions, and analytics. Recommendations draw on browsing behavior, past purchases, and real-time intent to suggest products across a store. Clerk Chat offers shoppers product-aware help and points them toward relevant products. Audience builds purchase-intent segments for campaigns; Email personalizes product messages using customer interests and behavior. The platform lists more than 15 pre-built ecommerce integrations, including Shopify, Magento, WooCommerce, Klaviyo, and Mailchimp, and supports custom stores through an open API. It runs on web and API platforms. Pricing is paid and on request, with tiers based on usage, contract period, and selected products; there is no fixed plan price listed. A free trial is available, but usage above a tier limit over a three-month average may lead to an upgrade or additional charges. Clerk.io was founded in 2011 and is headquartered in Copenhagen, Denmark.

Constructor is a cloud platform for ecommerce search and product discovery, founded in 2015. It uses shopper behavior, context and intent to personalize discovery across search, autosuggest, browse, recommendations, collections, quizzes and retail media. The AI Shopping Agent guides shoppers through natural-language product searches, while the Product Insights Agent answers personalized product questions. Merchant Intelligence Agent and Merchandiser Controls provide merchandising insights, dashboards, reports, controls and experiments. B2B capabilities cover account-segmented pricing and availability, personalization and discovery across large catalogs. Search options include hybrid, vector and faceted search, with zero-result reporting, search conversion tracking and result click analytics. Catalogs can be supplied through connectors, scheduled JSON, JSONL or CSV feeds, or REST API updates. APIs and browser or server-side client libraries support retrieving results, sending behavioral events and updating data or configurations; named client libraries include JavaScript, Swift and Kotlin. Constructor says it reduces personal data exposure using anonymous IDs, IP truncation and hashed identifiers. Pricing is not published; prospective customers are directed to book a demo.