One search. Every store.

Search Amazon, Best Buy and eBay in one API call. Cartroute returns every matching in-stock offer, new or renewed and clearly labelled, with price, shipping and a price-history verdict, grouped by product, as one normalized JSON response your agent can act on.

# One call. Amazon, Best Buy and eBay.
curl "https://cart-route.com/api/v1/search?q=sony+wh-1000xm6" \
  -H "Authorization: Bearer $CARTROUTE_API_KEY"

{
  "object": "search_result",
  "data_source": "live",
  "total_results": 1,
  "results": [
    {
      "title": "Sony WH-1000XM6 Wireless Noise Cancelling Headphones",
      "price_summary": {
        "best_retailer": "eBay",
        "best_effective_price_usd": 291.26,
        "spread_usd": 178.01,
        "offers_count": 31
      },
      "price_insight": {
        "verdict": "typical_price",
        "low_90d_usd": 180
      },
      "offers": [
        {
          "retailer": "eBay",
          "price_usd": 280,
          "shipping_usd": 11.26,
          "best_coupon": null,
          "effective_price_usd": 291.26,
          "in_stock": true
        }
      ]
    }
  ],
  "credits": {
    "charged": 1,
    "remaining": 199
  }
}

# Claude Code
claude mcp add --transport http cartroute https://cart-route.com/mcp \
  --header "Authorization: Bearer $CARTROUTE_API_KEY"

# Any client with a JSON config (Cursor, Claude Desktop via mcp-remote)
{
  "mcpServers": {
    "cartroute": {
      "url": "https://cart-route.com/mcp",
      "headers": {
        "Authorization": "Bearer cr_live_..."
      }
    }
  }
}

# Tools: search_products, get_product, get_price_history,
#        find_coupons, list_retailers, list_categories, get_account

import os, requests

r = requests.get(
    "https://cart-route.com/api/v1/search",
    params={"q": "65 inch oled tv", "max_price": 2000, "condition": "new"},
    headers={"Authorization": f"Bearer {os.environ['CARTROUTE_API_KEY']}"},
    timeout=10,
)
best = r.json()["results"][0]["price_summary"]
print(best["best_retailer"], best["best_effective_price_usd"])