Flagship Tools
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KeySpyPro
Discover all competitor ASIN keywords
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ScribeAIPro
Write listings with real-time keyword tracking
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COSMO ScoreNew
Amazon COSMO/Rufus AI readiness analysis
AI ToolsClaude AI
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AI Listing
Generate SEO-optimized listings with Claude AI
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AI Keyword
AI-powered keyword suggestions
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AI Pricing
Optimal pricing strategy with AI
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AI Review
Analyze customer reviews with AI
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AI Report
Generate niche market reports
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AI Assistant
Ask anything about Amazon selling
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AI Launch Plan
Create new product launch plans
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AI Supplier
Supplier evaluation & comparison
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AI PPC Strategy
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Supplier Database
Search & filter verified suppliers
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Amazon SP-API
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PPC & Ads
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PPC Analytics
Analyze money-burning keywords & ACOS
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Dayparting
Ad scheduling optimization
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Bid Manager
Manage PPC bids inline
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Amazon Ads
Amazon Ads API integration
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PPC Keyword
Manage PPC keywords
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PPC Calculator
ACOS & ROAS calculator
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Ad Pixels
Meta, Google, TikTok pixel management
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Keyword Harvest
Discover high-converting keywords from Search Terms
🚫
Negative Keywords
Auto-detect non-converting keywords
Research & Analysis
🔎
Product Search
Product research with Keepa data
🏆
Niche Analysis
Niche opportunity & competition scoring
👥
Competitor Analysis
Deep-dive competitor product analysis
📂
Category Analysis
Category-level market analysis
📈
Trend Tracking
Rising product & niche trends
✅
Listing Analysis
Listing quality score & improvements
🗺️
Sales Map
Geographic sales distribution map
🔀
TikTok Cross-Analysis
Cross-analyze TikTok products with Amazon data
🎯
TikTok Ad Spy
Spy on competitor ad creatives
📺
TikTok LIVE Analytics
Track competitor LIVE sessions
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TikTok Keywords
Discover TikTok search trends
Walmart6 Tools
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Walmart KeySpy
Walmart competitor keyword analysis
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Product Research
Walmart product opportunities & niche scores
✍️
Listing Optimizer
Optimize listings for Walmart rules
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WFS Calculator
WFS vs FBA margin comparison
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PPC Analytics
Walmart Connect campaign optimization
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AMZ→WMT Convert
Convert Amazon listing to Walmart format
Etsy7 Tools
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Product Research
Find profitable Etsy products
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Etsy KeySpy
Spy on Etsy listing keywords
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Listing Optimizer
Optimize Etsy listing SEO
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Shop Analyzer
Analyze competitor Etsy shops
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Fee Calculator
Calculate Etsy fees & profit
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Etsy→Amazon Cross
Cross-sell opportunities Etsy to Amazon
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Trend Tracker
Track Etsy trending products
Tracking & Finance
👁️
Product Tracking
Product price & BSR tracking
📦
Stock Forecast
FBA stock forecast & reorder planning
🔔
Price Alerts
Instant alerts on price changes
⚖️
Price Compare
Cross-marketplace price comparison
💵
Profit Calculator
Profit calculation including FBA fees
💲
Commission Calc
Platform commission calculator
🧾
Tax Report
Tax summary & report generation
View all features ChromeChrome Extension
Try Free →
Start Free
PricingKnowledge BaseSupportAll FeaturesAPIChrome Extension
Flagship Tools
🔍
KeySpyPro
Discover all competitor ASIN keywords
✍️
ScribeAIPro
Write listings with real-time keyword tracking
🧠
COSMO ScoreNew
Amazon COSMO/Rufus AI readiness analysis
AI ToolsClaude AI
📝
AI Listing
Generate SEO-optimized listings with Claude AI
🔑
AI Keyword
AI-powered keyword suggestions
💰
AI Pricing
Optimal pricing strategy with AI
⭐
AI Review
Analyze customer reviews with AI
📊
AI Report
Generate niche market reports
🤖
AI Assistant
Ask anything about Amazon selling
🚀
AI Launch Plan
Create new product launch plans
🏭
AI Supplier
Supplier evaluation & comparison
⚡
AI PPC Strategy
AI-powered PPC campaign strategy
🏭
Supplier Database
Search & filter verified suppliers
⚡
Amazon SP-API
99% accurate data via Amazon SP-API
PPC & Ads
📈
PPC Analytics
Analyze money-burning keywords & ACOS
⏰
Dayparting
Ad scheduling optimization
🎯
Bid Manager
Manage PPC bids inline
📺
Amazon Ads
Amazon Ads API integration
🔤
PPC Keyword
Manage PPC keywords
🧮
PPC Calculator
ACOS & ROAS calculator
📌
Ad Pixels
Meta, Google, TikTok pixel management
🌾
Keyword Harvest
Discover high-converting keywords from Search Terms
🚫
Negative Keywords
Auto-detect non-converting keywords
Research & Analysis
🔎
Product Search
Product research with Keepa data
🏆
Niche Analysis
Niche opportunity & competition scoring
👥
Competitor Analysis
Deep-dive competitor product analysis
📂
Category Analysis
Category-level market analysis
📈
Trend Tracking
Rising product & niche trends
✅
Listing Analysis
Listing quality score & improvements
🗺️
Sales Map
Geographic sales distribution map
🔀
TikTok Cross-Analysis
Cross-analyze TikTok products with Amazon data
🎯
TikTok Ad Spy
Spy on competitor ad creatives
📺
TikTok LIVE Analytics
Track competitor LIVE sessions
🔍
TikTok Keywords
Discover TikTok search trends
Walmart6 Tools
🔑
Walmart KeySpy
Walmart competitor keyword analysis
🔍
Product Research
Walmart product opportunities & niche scores
✍️
Listing Optimizer
Optimize listings for Walmart rules
💰
WFS Calculator
WFS vs FBA margin comparison
📊
PPC Analytics
Walmart Connect campaign optimization
🔄
AMZ→WMT Convert
Convert Amazon listing to Walmart format
Etsy7 Tools
🎨
Product Research
Find profitable Etsy products
🔍
Etsy KeySpy
Spy on Etsy listing keywords
✏️
Listing Optimizer
Optimize Etsy listing SEO
🏪
Shop Analyzer
Analyze competitor Etsy shops
💰
Fee Calculator
Calculate Etsy fees & profit
🔄
Etsy→Amazon Cross
Cross-sell opportunities Etsy to Amazon
📈
Trend Tracker
Track Etsy trending products
Tracking & Finance
👁️
Product Tracking
Product price & BSR tracking
📦
Stock Forecast
FBA stock forecast & reorder planning
🔔
Price Alerts
Instant alerts on price changes
⚖️
Price Compare
Cross-marketplace price comparison
💵
Profit Calculator
Profit calculation including FBA fees
💲
Commission Calc
Platform commission calculator
🧾
Tax Report
Tax summary & report generation
Try Free →
Start Free
PricingKnowledge BaseSupportAll FeaturesAPIChrome Extension
REST API v1

niche.ltd Public API

Access Amazon product data, sales estimates, keyword research and market analytics programmatically. Integrate niche.ltd intelligence into your own applications.

Authentication

All API requests require an API key. Include it in the request header:

Option 1 — X-API-Key Header
X-API-Key: niche_your_key_here
Option 2 — Bearer Token
Authorization: Bearer niche_your_key_here
STARTER:100/day
PRO:500/day
BUSINESS:2,000/day
Endpoints
GET/api/v1/search

Search Amazon products by keyword across 9 marketplaces.

Parameters

NameTypeRequiredDescription
keywordstringrequiredSearch keyword
marketplacestringoptionalamazon.com, amazon.co.uk, amazon.de, amazon.fr, amazon.it, amazon.es, amazon.com.tr, amazon.co.jp, amazon.ca. Default: amazon.com
pageintegeroptionalPage number. Default: 1

Example Request

curl -H "X-API-Key: niche_xxx" \
  "https://niche.ltd/api/v1/search?keyword=yoga+mat&marketplace=amazon.com"

Example Response

{
  "success": true,
  "data": {
    "keyword": "yoga mat",
    "marketplace": "amazon.com",
    "totalResults": 48,
    "nicheScore": { "demand": 8, "competition": 5, "opportunity": 7, "overall": 7 },
    "products": [
      {
        "asin": "B07JNB3CYK",
        "title": "Premium Yoga Mat...",
        "brand": "BalanceFrom",
        "price": 19.99,
        "bsr": 245,
        "monthlySales": 12500,
        "reviewCount": 85000,
        "rating": 4.5
      }
    ]
  }
}

Error Codes

401Missing or invalid API key
403Plan doesn't include API access (Business plan required)
429Daily rate limit exceeded
400Missing required parameters
404Resource not found
500Internal server error

AI-powered seller intelligence for Amazon, Walmart, TikTok Shop and Etsy.

Amazon

KeySpyScribeAICOSMO ScorePPC AnalyticsDaypartingSplit Test

Walmart

Walmart KeySpyProduct ResearchListing OptimizerWFS CalculatorAMZ→WMT Convert

TikTok

Trending ProductsAd Creative SpyCreator DiscoveryLIVE AnalyticsTikTok Keywords

Etsy

Etsy KeySpyProduct ResearchListing OptimizerShop AnalyzerFee Calculator

Company

PricingChrome ExtensionKnowledge BaseAPISupportPrivacy
© 2026 niche.ltd — All rights reserved.Amazon · Walmart · TikTok · Etsy

AI-powered seller intelligence for Amazon, Walmart, TikTok Shop and Etsy.

Amazon

KeySpyScribeAICOSMO ScorePPC AnalyticsDaypartingSplit Test

Walmart

Walmart KeySpyProduct ResearchListing OptimizerWFS CalculatorAMZ→WMT Convert

TikTok

Trending ProductsAd Creative SpyCreator DiscoveryLIVE AnalyticsTikTok Keywords

Etsy

Etsy KeySpyProduct ResearchListing OptimizerShop AnalyzerFee Calculator

Company

PricingChrome ExtensionKnowledge BaseAPISupportPrivacy
© 2026 niche.ltd — All rights reserved.Amazon · Walmart · TikTok · Etsy