MerchantWords Review 2026
Amazon keyword research tool with the largest database of Amazon search terms. Provides search volume, keyword trends, and ASIN-level keyword data for listing optimization.
BagEngine Score: 6.8/10
Based on feature depth, pricing fairness, UI quality, customer support, and seller community feedback. MerchantWords is best for experienced sellers who need comprehensive Amazon keyword data with the broadest possible search term coverage for thorough listing optimization.
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MerchantWords Pricing (2026)
Trial terms not confirmed; cancel anytime. Prices checked 13 October 2026 on the vendor's pricing page.
Key Features
- 1.6B+ Amazon search terms in database
- Search volume estimates with trend data
- ASIN keyword reverse lookup
- Keyword collection and list building
- Multi-marketplace keyword coverage
- Rebuilt platform with newer tools beyond keywords: Bulk Search (beta), Buy Box Monitor, a Digital Shelf Report and Emerging Trends
Pros
- Largest Amazon keyword database available
- Good historical keyword trend data
- Covers 21 Amazon marketplaces, from the US and UK to Japan, Brazil and the UAE
Cons
- Search volume accuracy debated in community
- Higher price for access to full database
- Interface feels dated
Best For
Experienced sellers who need comprehensive Amazon keyword data with the broadest possible search term coverage for thorough listing optimization.
Not Ideal For
Sellers who need a simple, low-cost solution or are just starting with fewer than 10 products. Also not ideal if you already use a full-suite platform that covers Listing Optimization functionality.
MerchantWords vs. Alternatives
| Tool | Category | Starting Price | Free Trial | BagEngine Score |
|---|---|---|---|---|
| MerchantWords | Listing Optimization | $35/mo | Trial terms not confirmed; cancel anytime, no contracts. | 6.8/10 |
| Helium 10 Magnet | - | - | - | - |
| Jungle Scout Keyword Scout | - | - | - | - |
| Sonar | - | - | - | - |
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What a seller may claim, must disclose, and owes in tax is set by published federal rules rather than by any marketplace's seller handbook, and the sources below are the primary ones. They are linked so a reader can check a claim here without taking this page's word for it.
- FTC advertising and marketing guidance sets the federal standard for what a product claim must be able to substantiate.
- FTC Endorsement Guides governs how a review or recommendation must disclose a material connection.
- FTC Made in USA standard defines when origin claims may be used, one of the most commonly misapplied rules in ecommerce listings.
- SBA business guide is the federal reference for forming and running the business a seller account sits inside.
- SBA compliance guidance sets out the licences and filings an operating seller is expected to maintain.
- IRS small business and self-employed is the authority on what a seller owes and must report.
- IRS business structures documents how entity choice changes liability and tax treatment.
- USPTO trademarks governs brand registration, which decides who may enforce a listing takedown.
- Census retail trade data publishes the official retail and ecommerce sales figures market-size claims are checked against.
This page describes tools and the rules that apply to using them. A seller's own structure, state and marketplace agreements decide what applies to them.