Tool profile
Prefixbox: cost, fit and limits
Prefixbox is a managed e-commerce search service headquartered in Budapest that provides AI search, navigation, recommendations and analytics for online retailers. Mid-size and large shops use it through a Shopify app, headless API or custom front end.
What to know first
Prefixbox prices its managed plans by monthly API requests: Grow+ for 600,000 to 900,000 requests and Enterprise from 900,000. AI Search costs EUR 1,250 a month, with AI Navigation and AI Recommend as EUR 550 add-ons and a discounted bundle. Quotas are per suite, and every autocomplete keystroke counts as a request, so volume planning matters. Premium support and catalog sync are included on both bands.
Prefixbox at a glance
| Maker | Prefixbox, Hungary |
|---|---|
| Free plan | Free trial only |
| Entry price | EUR 1,250 per month for AI Search on Grow+ |
| API access | Yes |
| Category | Best AI Site Search Software in 2026, rank 6 of 10 |
| Website | prefixbox.com |
Who Prefixbox is best for
Retailers with high search traffic
The request bands start at 600,000 a month, so the pricing suits shops where search already runs at volume rather than small stores.
Merchandisers
Banners, promotions, redirects, synonyms and personalization are listed in AI Search, giving a merchandising team levers inside the same product.
Teams that test relevance
Insights include A/B testing, offline relevance measurement, a user feedback tool and two years of analytics history. That mix helps teams that argue about relevance with evidence instead of opinion, using the vendor's tools.
Shopify merchants moving upmarket
A self-service Shopify app and managed customer option are listed, plus Salesforce Commerce Cloud and headless integrations. Larger retailers on those platforms can keep the existing storefront while swapping the search layer underneath.
Prefixbox plans and pricing
| Plan | Price | What it includes |
|---|---|---|
| Grow+ | EUR 1,250 a month for AI Search | For 600,000 to 900,000 API requests a month, with catalog sync hourly plus real-time updates and Premium support. |
| Enterprise | EUR 1,250 a month for AI Search, listed | From 900,000 requests a month, with catalog sync every 30 minutes plus real-time updates and Premium support. |
| AI Navigation and AI Recommend | EUR 550 each, add-on only | Navigation adds related products, keywords, categories and category pages. Recommend adds personalized, complementary and visual recommendations. |
| AI Product Discovery bundle | EUR 2,350 or EUR 2,115 | Search, Navigation and Recommend together. The page shows two prices and does not say which applies, so ask for a written quote. |
Checked November 2026.
What Prefixbox does
- AI Search
- Faceted search with NLP, vector search, personalization, rich autocomplete and custom product tiles, plus merchandising controls for banners and redirects. Autocomplete previews and result tiles can be styled, and hourly catalog sync keeps stock and prices current.
- AI Navigation
- Related products, related searches and category page features, with each search adding three requests to the quota. Category pages built this way use the same relevance model as search, so listings and results stay consistent.
- AI Recommend
- Personalized, complementary and visual recommendations, with usage that depends on how many containers a retailer places on pages. Placement is flexible, which lets merchandisers decide where blocks appear and how many requests they use.
- Insights
- Search and discovery analytics with A/B testing, offline relevance measurement, data mining and a user feedback tool. Two years of history lets teams compare seasons, and the user feedback tool collects direct comments on result quality.
- Catalog sync
- Product data syncs hourly on Grow+ and every 30 minutes on Enterprise, with real-time updates available on both, so stock changes reach search quickly. Real-time updates run alongside the scheduled sync, so out-of-stock items can disappear from results without a wait.
How Prefixbox handles your data
The contact page lists a Budapest headquarters in Hungary. The pricing page shows an ISO certification badge in its footer and a Built for Shopify badge, and links a GDPR policy that the excerpt read did not describe. It names no hosting region, retention period, sub-processors or AI model training terms. Buyers should request the ISO certificate, its scope and a data processing agreement before sending customer or order data.
Where Prefixbox falls short in practice
- Keystrokes burn quota. The FAQ example counts nine requests for a single word typed into search, and Navigation adds three per search. A site can consume its band faster than visitor counts suggest.
- Bundle price is ambiguous. The page shows EUR 2,350 and EUR 2,115 for the bundle without saying which applies, so the real cost needs a written quote. A procurement team should ask which price applies and whether yearly commitments change the monthly figure.
- Four-week integration. The page says integration takes about four weeks, so seasonal retailers must plan the launch well ahead of peak periods. That timeline needs product data cleanup, front-end work and testing, so start well before peak trading seasons.
Works with
Alternatives to Prefixbox
Prefixbox: common questions
How much does Prefixbox AI Search cost?
The managed pricing page lists AI Search at EUR 1,250 a month on both Grow+ and Enterprise, which differ by request volume. AI Navigation and AI Recommend are EUR 550 each, sold only as add-ons. Prices are as of November 2026 and are listed in euros per month, with volume bands deciding the plan.
What counts as a request at Prefixbox?
Every search call counts, including each autocomplete keystroke. The FAQ example of searching apple uses nine requests, and AI Navigation adds three per search. Recommend usage depends on how many containers are placed. That means traffic to search suggestions can exhaust a quota sooner than page views imply.
How long does Prefixbox integration take?
The pricing page says integration takes about four weeks and lists a Shopify app, headless API, custom front-end integration and Salesforce Commerce Cloud as routes. A trial can start after a quote request. Salesforce Commerce Cloud appears in the integrations list, and Shopify merchants can use a self-service app.
Is there a free trial for Prefixbox?
Yes, after you submit a quote request. The page says a team member responds within one business day. It does not state the trial length, so ask for it and for the test scope. Run it on your own top queries and compare against the current search before deciding.
Where is Prefixbox based?
The contact page lists a Budapest headquarters in Hungary. The pricing page shows an ISO badge but does not explain its scope, so request the certificate if compliance is a buying condition. The ISO badge in the footer is not explained, so ask which standard and which entity it covers.