API / Intelligence
One product across every seller that carries it, ranked by landed cost, with the spread. Server-side work is worth more than four raw reads the caller has to join.
POST /v1/compare
No parameters beyond the path and your bearer token.
POST /v1/compare
{ "ref": "0885909950805" }
→ 200
{ "best": { "seller": "bestbuy", "price": "$198.00" },
"spread": "$101.99",
"offers": [
{ "seller": "bestbuy", "price": "$198.00",
"source": { "channel": "direct_api", "confidence": 1.00 } },
{ "seller": "amazon", "price": "$198.00",
"source": { "channel": "verified_agent", "confidence": 0.90 } },
{ "seller": "target", "price": "$299.99",
"source": { "channel": "listing_view", "confidence": 0.75 } } ] }