When a shopper says what they need in their own words or shows a product image, your application needs more than a list of web pages. Simlir returns a market-scoped, semantically matched shortlist through REST or hosted MCP, with structured product fields and source context your team can inspect and explain.
United Kingdom currently live. United States planned next. Send the shopper country on every search so results stay market-scoped. The API contract has additional technical market codes, but the beta catalogue only advertises markets with ingested products.
Less retrieval work
One product-search connection
MCP + REST
Use it in your stack
1 live
Market coverage
Prices & specs
What your team can inspect
If you are testing a shopper experience, start with the demo. If you are building it, choose REST or hosted MCP. Each guide states what works now, what is still a candidate, and how to make a first UK request.
United States catalogue coverage is planned next and is not available in the beta yet.
Get an API keyConnect a compatible tool client to the hosted endpoint and test the UK contract.
Contract documented
Open MCP setupFollow the SDK guides and evaluate the versioned release candidates.
Release candidates
View SDK guideUse the stable REST and OpenAPI contract from any server or runtime.
Canonical reference
Read REST docsOpen contract, clear boundary
Review the source, release, and publication checklist before depending on an integration in production.
A shopper can be vague. Your application can still receive a structured, market-scoped shortlist it can compare and explain. The response keeps price snapshots, identifiers and retailer links beside the result, with the UK beta boundary visible.
{
"results": [
{
"id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"brand": "Optimum Nutrition",
"category": "protein powder",
"gtin": "5060245603478",
"title": "Optimum Nutrition Gold Standard Whey Protein Powder",
"description": "The Optimum Nutrition Gold Standard 100% Whey delivers 24g of protein per 30g serving with only 120 calories, using a blend of whey protein isolate, concentrate, and hydrolysed whey. Each serving provides 5.5g of naturally occurring BCAAs and 4g of glutamine for muscle recovery. The powder mixes smoothly in a shaker without clumping and is available in over 20 flavours. Positioned as a mid-range to premium whey protein, it targets serious gym-goers and athletes who want a trusted, Informed Sport certified product without paying boutique prices. Manufactured under strict quality controls with batch testing for banned substances.",
"product_description": "Premium whey protein powder with 24g protein per serving for post-workout recovery. Informed Sport certified for competitive athletes and serious gym-goers.",
"key_selling_points": [
"24g protein per serving",
"5.5g BCAAs",
"Informed Sport certified"
],
"use_cases": [
"post-workout recovery",
"muscle building",
"competitive athletes",
"casual gym-goers"
],
"spec": {
"protein_per_serving": "24g",
"servings": "29",
"calories_per_serving": 120,
"bcaa_per_serving": "5.5g",
"flavour": "Double Rich Chocolate"
},
"cosmetic_features": {
"packaging_style": "resealable tub"
},
"image_url": "https://images.optimumnutrition.co.uk/whey-front.jpg",
"images": [
"https://images.optimumnutrition.co.uk/whey-front.jpg",
"https://images.optimumnutrition.co.uk/whey-nutrition-label.jpg"
],
"visual": {
"summary": "Black whey protein tub with red and gold accents and a large Gold Standard label on the front.",
"labels": [
"protein powder",
"supplement tub",
"black packaging"
],
"detected_text": [
"Gold Standard",
"24g Protein"
],
"dominant_colours": [
"black",
"red",
"gold"
]
},
"certifications": [
"informed_sport",
"gluten_free"
],
"materials": [],
"dimensions": {
"value": {
"h": 24,
"diameter": 16
},
"unit": "cm"
},
"weight": {
"value": 0.899,
"unit": "kg"
},
"colour": {
"primary": null,
"family": null
},
"release_year": null,
"country_of_origin": "US",
"compatible_with": [],
"included_in_box": [
"scoop"
],
"model_number": "GS100W-2270G-DRC",
"retailer_sku": "ON-2270G-GB",
"product_identifiers": {
"article_number": "GSWHEY-2LB-CHOC",
"alternate_part_numbers": [
"1031660-P"
]
},
"review_score": 4.8,
"review_count": 20,
"price": {
"amount": 29.99,
"currency": "GBP",
"retailer": "Holland & Barrett",
"as_of": "2026-04-07"
},
"links": {
"buy": "https://www.hollandandbarrett.com/shop/product/optimum-nutrition-gold-standard-100-whey/...",
"retailer": "https://www.hollandandbarrett.com/shop/product/optimum-nutrition-gold-standard-100-whey/..."
},
"market": "gb",
"relevance_score": 0.923
}
],
"meta": {
"count": 5,
"market": "gb",
"response_time_ms": 340,
"credits_used": 2
}
}A shopper can ask in their own words or show a product image. The request stays tied to a market, so the answer has a boundary from the start.
Results keep the fields a product team needs to compare: price snapshots, specs, identifiers, images, selling points and retailer context.
Use the same documented service through MCP or REST. Keep the response shape, limits, source links and beta-market boundary visible to the people using your product.
Help a shopper move from “I need something like this” to a shortlist your assistant can explain, without starting with retailer-by-retailer retrieval.
Give customers a comparable view of brands, specs, images and price snapshots instead of stitching together different retailer fields.
Put dated price snapshots and retailer links beside the product so a team knows what it saw and when to check again.
Explore category coverage and assortment changes using structured fields sourced from public retailer pages, with the limits of that evidence visible.
A semantic search costs 2 credits. An image search costs 3. Exact lookup costs 1. No monthly minimums.
View pricingTry the public UK example. If it shows the kind of result your product needs, create an account and repeat the request through the authenticated API or MCP path.