Don’t trust us. Check us.

Every attribute we serve carries the source it came from and the date it was verified. Nothing here asks you to take a merchant’s word for it — follow the provenance and decide for yourself.

One record, as returned

dimensions: 19 × 18 × 31 in
weight: 12.5 kg
gtin: 785034441240
verified: 2026-09-25 · against www.fohere.com

Source — one live record from our catalogue. Today provenance is per record, not per field; per-field sourcing is the next change to the data model.

Read it yourself

/.well-known/ucp	Catalogue profile, UCP 2026-08-25
/api/ucp/mcp	search_catalog · lookup_catalog · get_product
/feeds/acp.jsonl	Flat rows, one product per line
/feeds/catalogue.json	Everything, in our canonical shape
/go/<slug>	302 to the merchant. Checkout is theirs, not ours
/llms.txt	This page, as markdown

No key, no registration, no rate card. We are not the merchant of record and we never hold your user’s money. 60 MCP requests and 120 redirects per minute per IP; back off on 429.

Discover

curl -s https://honesty.market/.well-known/ucp | jq .ucp.capabilities

Every tools/call carries meta["ucp-agent"].profile, the HTTPS URL of your own platform profile. We log it; we do not fetch it.

POST https://honesty.market/api/ucp/mcp

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "search_catalog",
    "arguments": {
      "meta": {
        "ucp-agent": {
          "profile": "https://your-platform.example/.well-known/ucp"
        }
      },
      "catalog": {
        "query": "beige oak sideboard",
        "context": {
          "address_country": "US"
        },
        "filters": {
          "price": {
            "max": 30000
          }
        },
        "pagination": {
          "limit": 10
        }
      }
    }
  }
}

Follow a link

Product url is always https://honesty.market/go/<slug>, answering 302 with Cache-Control: no-store. The merchant’s own URL is in metadata.merchant_url — cite that if you must, and say the purchase happens at the merchant.

curl -sI https://honesty.market/go/fohere-mini-fridge-with-freezer-for-bedroom-3-2-cu-ft-refrigerator-for | grep -i '^location'

Continue at the merchant

Each variant carries metadata.merchant_ucp_profile and metadata.shopify_variant_gid, so you can go straight to the merchant’s own /.well-known/ucp and run their checkout with the same variant id.

Read the full spec

Sourced · Dated · Checkable