Serta ThermaGel 3-Inch Gel Memory Foam Mattress Topper, King | 3 inch king gel memory foam mattress topper, ThermaGel cooling, deep pressure relief, CertiPUR-US certified

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4.3(10,723 ratings)Out of stock

Too early to tell

We haven't worked out its normal price yet. Not on sale at our last check (19h ago). Last price seen Oct 7.

Now: $119.99
Lowest in 104 days: $92.99(Jun 29)
Highest: $119.99

Evidence: None104 days tracked5 price changeschecked 19h ago

Where today's price sits

Now $119.99$92.99

The listing showed it out of stock. This price may not be available to buy.

View on amazon.com

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

Price history

Tracked since Jun 24 · 104 days · 5 price changes

Tracked for 104 days. We haven't worked out its normal price yet, so we don't judge it.

Price

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Get this as JSONThe same verdict and prices, from the TrackPin API.

GET/api/v1/product/B0889898S8

Request

curl https://trackpin.co/api/v1/product/B0889898S8 \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B0889898S8", {
  headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();

console.log(product.verdict.label, product.price.reference_cents);

import os, requests

r = requests.get(
    "https://trackpin.co/api/v1/product/B0889898S8",
    headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()

print(product["verdict"]["label"], product["price"]["reference_cents"])

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key

Live responseAs of 01:49 UTC

{
  "asin": "B0889898S8",
  "title": "Serta ThermaGel 3-Inch Gel Memory Foam Mattress Topper, King | 3 inch king gel memory foam mattress topper, ThermaGel cooling, deep pressure relief, CertiPUR-US certified",
  "image": "https://m.media-amazon.com/images/I/919fn1VWB+L._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Kitchen",
  "category_label": "Kitchen",
  "in_stock": false,
  "price": {
    "current_cents": 11999,
    "reference_cents": 11999,
    "discount_pct": 0,
    "is_deal": false,
    "observed_at": 1791381962822,
    "changed_at": 1785304521755,
    "checked_at": 1794549916344,
    "source": "stored"
  },
  "verdict": {
    "label": "early",
    "text": "Too early to tell",
    "pct_vs_normal": null,
    "evidence": "none",
    "stale": true,
    "suspect": false,
    "steady_since": null,
    "sentence": "Too early to tell. We haven't worked out its normal price yet. Not on sale at our last check (19h ago). Last price seen Oct 7."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 9299,
    "max_cents": 11999,
    "avg_cents": 11726,
    "history_days": 104,
    "price_levels": 192,
    "price_changes": 5,
    "distinct_prices": 5,
    "lowest_at": 1782731259846
  },
  "history": [
    {
      "price_cents": 11999,
      "from": 1785260747607,
      "to": 1785260747607
    },
    {
      "price_cents": 11999,
      "from": 1785271380493,
      "to": 1785281927642
    },
    {
      "price_cents": 11999,
      "from": 1785287618302,
      "to": 1785287618302
    },
    {
      "price_cents": 11999,
      "from": 1785301133617,
      "to": 1785301133617
    },
    {
      "price_cents": 11999,
      "from": 1785304521755,
      "to": 1791381962822
    }
  ],
  "last_seen": 1794549968736
}
// … 187 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.

Serta ThermaGel 3-Inch Gel Memory Foam Mattress Topper, King | 3 inch king gel memory foam mattress topper, ThermaGel cooling, deep pressure relief, CertiPUR-US certified

Price history

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