Keywords and match types in Amazon PPC

Keywords decide who you show an ad to and at what cost — and the match type decides how broadly. This is where you win or waste budget in Sponsored Products. In this chapter of the Amazon advertising guide we explain match types, the role of negative keywords, and a proven keyword process built on the search term report.

The role of keywords in Amazon PPC

In manual campaigns you choose the terms you want to appear on. Keyword selection ties directly to Amazon SEO and keyword research: the same terms that build organic visibility are the foundation of your campaigns. The difference is that advertising shows you immediately which of them actually sell — and you pay for that.

Match types: broad, phrase, exact

Amazon offers three keyword match types. They differ in the trade-off between reach and precision: the broader the match, the more traffic but the less relevant; the narrower, the higher the cost per click but the better the conversion.

Negative keywords

Negative keywords are a list of words your ad should not show on. It is one of the most important and most underused optimization tools: if a term generates clicks without sales, you add it as a negative and instantly stop wasting budget on it. Regular negative-keyword cleanup can lower ACoS more than any bid change.

How to pick keywords

• Automatic campaign — the cheapest source of real terms; Amazon shows you what you convert on.
• Your listing and competitors — terms from titles and backend, and from the best rivals' pages.
• Keyword research tools — they show volume and related terms beyond your own ranking.
• Long-tail terms — longer, more specific queries have lower competition and higher conversion.

The search term report — a gold mine

The search term report shows the exact queries that triggered your ads, with clicks and sales. It is the most important document in Amazon PPC. From it you pull terms to move to exact and terms to negate. The whole keyword optimization process starts here.

Branded, generic and competitor terms

It helps to split keywords into three types by intent — each plays a different role and deserves its own campaign so you can control budget and ACoS:

• Branded terms (your brand name) — the cheapest clicks and highest conversion; they also defend against competitors bidding on your name.
• Generic terms (e.g. "coffee machine") — the largest volume and highest competition; they build visibility but carry higher ACoS.
• Competitor terms (rivals' names) — capture customers comparing offers, though conversion tends to be lower.

Long-tail vs short-tail

Short-tail terms like "backpack" have huge volume but huge competition and low relevance. Long-tail terms like "waterproof 15-inch laptop backpack" have less volume but far higher purchase intent, lower cost per click and better conversion. In practice, a well-built account bases profitability on long-tail terms and treats short-tail as a pricier reach add-on.

Types of negative keywords

Negative keywords also have match types, giving control over how aggressively you cut traffic:

• Negative exact — excludes exactly one term; precise when you want to cut a specific non-converting query.
• Negative phrase — excludes all queries containing a phrase; effective when a whole family of terms does not fit (e.g. "free", "manual", "parts").

Regularly adding negatives from the search term report is the fastest way to stop budget leaking on queries with a different intent than buying.

How to gather your first keyword list (seed keywords)

Before launching a manual campaign you need a starting point — a list of seed keywords. Gather them from several sources that complement each other:

• Your own listing — title, bullet points and backend keywords; the terms you already build Amazon SEO around.
• Amazon search suggestions — start typing the product name and save the autocomplete suggestions; these are real customer queries.
• The best competitors' pages — how they describe the same product and with what words.
• An automatic campaign — after two weeks it delivers the most valuable terms: the ones you actually convert on.

You do not need hundreds of terms at once. Better to start with a few dozen relevant ones and grow the list from search-term-report data.

Keyword research tools

Beyond free sources, tools that show data not available in the ads panel are worth using:

• Amazon Brand Analytics (for brands in Brand Registry) — shows the most popular terms and competitors' click share, straight from the source.
• External keyword research tools — estimate search volume and suggest related terms, including ones you do not yet rank for.
• The search term report — not an external tool, but it closes the loop: it verifies in practice which terms from your list actually sell.

FAQ — keywords in Amazon PPC

Which match type is best?

There is no single best — they work together. Broad and automatic campaigns discover terms, exact scales the ones that sell. Phrase is the balance in between.

How many keywords should I add to a campaign?

Fewer but relevant terms in tight ad groups beat a hundred loose ones in a single group. A precise structure makes bidding manageable — more in the chapter on account structure.

What are negative keywords and why use them?

They are terms your ad should not show on. You use them to cut clicks without sales and stop wasting budget. It is one of the fastest levers for lowering ACoS.

Where do I find new keywords?

Mainly from the search term report and automatic campaigns, plus your listing, competitors' pages and keyword research tools.