Google Shopping trends API for product demand

The Google Shopping trends API on Trends MCP returns shopping-intent search growth for any product keyword through get_growth with source google shopping. From the July 31 2026 run, Crocs Classic Clog shopping interest fell 52.94% over 7 days (index 17.0 to 8.0 as of July 25 2026) while Amazon still ranked Classic Clog at #3 on Best Sellers Top Rated (scan dated July 27 2026). Free tier access is 100 requests per month. This page shows the live commerce board, exact calls, and where Shopping, Search, and Amazon diverge.

What Google Shopping trends data shows right now

From the Trends MCP scan of July 31 2026, Amazon Best Sellers Top Rated (as_of July 27 2026) supplies the commerce board, and Google Shopping growth follow-ups date to July 25 2026:

Google Trends on the same pull listed spiderman brand new day at rank 1 of 25. Shopping growth on that phrase rose 100.0% over 30 days (index 12.0 to 24.0), so breakout Search interest and shopping-intent volume moved together for that title, with the API warning that the Shopping series is mostly zeros.

Exact API calls for Shopping growth

Two calls cover most ecommerce demand checks. get_growth with source google shopping returns percent change across selected windows. get_top_trends with type Amazon Best Sellers Top Rated returns the current ranked product board for context. Google Shopping has no separate top-trends feed type; the growth source is the product-demand signal.

{
  "mode": "get_growth",
  "source": "google shopping",
  "keyword": "Crocs Classic Clog",
  "percent_growth": ["7D", "30D", "3M"]
}

{
  "mode": "get_top_trends",
  "type": "Amazon Best Sellers Top Rated",
  "limit": 15
}

A third call against google search on the same keyword separates general curiosity from shopping intent. For Crocs Classic Clog on July 25 2026, Google Search fell 12.0% over 7 days (index 25.0 to 22.0) and 56.0% over 30 days (50.0 to 22.0), softer than the Shopping 7-day drop of 52.94% but still clearly cooling.

Where Shopping, Search, and Amazon disagree

Rank and growth are different questions. Crocs Classic Clog held Amazon Top Rated rank 3 on July 27 2026, while Google Shopping showed a 3-month slide of 87.5% to index 8.0. Amazon keyword growth for Crocs Classic Clog told a third story: +73.31% on the 0-100 Amazon index over 30 days, with absolute search volume rising from 47,423 to 82,146 (volume growth +73.22%). The 3-month Amazon volume move was +3,578.73%, from 2,233 to 82,146.

Tide PODS shows closer alignment on Amazon volume than on Shopping. Amazon 30-day growth was +5.22% (index 82.4 to 86.7) with volume 695,558 to 731,616 (+5.18%). Google Shopping for Tide PODS fell 46.67% over 7 days and 80.49% over 30 days. Stable Amazon volume with falling Shopping index means the product remains purchased while discovery interest cools.

Treat zero baselines carefully. microfiber bed sheet set Shopping reported recent index 4.0 against a 0.0 baseline on both 7D and 30D, which the API encodes as an extreme percent; the honest reading is a move off zero to index 4.0, still down 90.48% versus the 3-month baseline of 42.0. Gildan crew t-shirts returned recent index 0.0 with a data_quality low warning (over 90% zero values).

How this page sits next to Google Trends

The Google Trends MCP page answers what is breaking out in Search right now. This page answers whether shopping-intent volume for a product keyword is rising or fading. On July 31 2026 the Google Trends board also included tmobile outage (rank 3), mega millions jackpot $800 million (rank 18), and levothyroxine recall 2026 (rank 22). Those are attention spikes; only some of them belong in a Shopping growth check.

A practical split: pull Google Trends for the daily breakout list, then run google shopping growth on the product-shaped rows and on the Amazon Top Rated titles you already sell against. For media titles that spike in Search, Shopping can still move. spiderman brand new day rose 50.0% on 7-day Shopping growth while sitting at Google Trends #1, even with the low-quality warning attached.

Who runs this workflow

Ecommerce teams map Amazon Top Rated ranks to Shopping growth before restocking. On July 27 2026 the Top Rated board still favored staples: batteries at ranks 1 and 2, Crocs at 3, bed sheet sets at 4 and 5, mascara at 6. Growth follow-ups then separate durable demand from board inertia.

Market researchers compare Shopping to Search on the same SKU name. Crocs Search 3-month growth was -67.16% (index 67.0 to 22.0) while Shopping 3-month growth was -87.5% (64.0 to 8.0). Shopping cooled faster than Search for that keyword in the July 25 2026 snapshot. Agencies that already use the Amazon Best Sellers API add one Shopping call per SKU instead of standing up a second vendor.

Limits and honest caveats

Google Shopping growth uses a normalized 0-100 index. Percent moves from low baselines swing hard; always quote recent_value and baseline_value with the percent. The Amazon Best Sellers Top Rated board in this run carried an as_of timestamp of July 27 2026 while Google Trends and Steam feeds refreshed July 31 2026, so do not treat every feed as same-hour fresh.

Shopping has no live ranked feed type in get_top_trends. Product leaderboards come from Amazon or TikTok Shop feeds; Shopping is keyword growth only. Some product strings return low-quality series dominated by zeros. When the API attaches that warning, prefer absolute index levels and Amazon volume over headline percentages.

Pricing and getting started

Free tier is 100 requests per month. Starter is $19 per month for 1,000 requests, Pro $49 for 5,000, Business $199 for 25,000. Annual billing saves 20% on paid plans. Check pricing for current numbers before budgeting a daily SKU monitor. Signup to first REST call is a bearer token against https://api.trendsmcp.ai/api; the docs cover MCP client config for Cursor, Claude, and VS Code.