A semantic product database for shopping.
Search by what a shopper wants or by photo. Get up to 100 relevant products ranked by fit, with comparable details and retailer price and availability snapshots.
For teams building shopping agents, product search and comparison tools.
Results vary with catalogue coverage. Prices and availability are snapshots, not guarantees.
- 1A shopper’s words or photo
- 2Matched by meaning across the catalogue
- 3Ranked from best fit down
Search once. Give shoppers more to compare.
- 1
Describe
Send the shopper’s own words or a product photo, just as they would describe it.
- 2
Find matches
Simlir searches by meaning, so “quiet and slim” finds products that fit even when no listing uses those words.
- 3
Compare
Get the best fits ranked, each with comparable details, a dated price and stock snapshot, and a retailer link.
What each result includes.
Every product comes back in the same shape, so your app can line products up side by side. The numbers match the rows.
| Field | What it means | Example shape |
|---|---|---|
| 1title, brand | Product name and brand, as the retailer lists them | |
| 2spec | Category-specific fields, normalised so products compare | |
| 3price | A price snapshot with currency, retailer, and the time we checked | |
| 4review_score | Average score with the review count behind it | |
| 5images | Hero and gallery image URLs | |
| 6links.buy | The retailer product page, so shoppers can check the details |
Connect through REST, MCP or an SDK.
From sign-up to your first search in three steps. Make a direct request with the API, connect an agent through hosted MCP, or use an SDK in your code.
- 1
Create a free account
Eligible new accounts get 10,000 welcome credits.
- 2
Make an API key
Create one in your dashboard and keep it on your server.
- 3
Send your first search
Copy the example on this page and swap in your own words.
Paste this into your MCP client settings.
{
"mcpServers": {
"simlir": { "url": "https://simlir.com/api/v1/mcp" }
}
}Free plan
£0 / forever
10,000 welcome credits for eligible new accounts.
REST API and MCP access.
Start freeDeveloper plan
£39 / month
10,000 credits after each monthly payment.
Unused credits roll over while your account is active.
API usage logs can include the market, search words or product code, and image host. API keys and authorization headers are not stored in those logs. See what we record
Questions before you connect.
Does every search check retailer pages live?
No. Each result carries a price and availability snapshot with the date it was checked. Treat it as a guide, and send shoppers to the retailer link to confirm before they buy.
Can shoppers search with a photo?
Yes. Send a product photo instead of words and get similar products back. An image search costs 2 credits.
How many products come back?
Up to 100 per search. Fewer come back when relevance checks, filters, duplicates or catalogue coverage reduce the list.
Can I try it before writing any code?
Yes. The example page runs real searches so you can judge the results. With an account, the dashboard playground lets you try your own searches.
What limits come with the Free plan?
Free accounts can send up to 60 requests a minute, with up to 5 at once. Searches spend credits from your balance.