eCommerce, Data
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SERP, Tutorials
Error Handling and Reliability in SERP API Integration
Build bulletproof SERP API integrations with smart error handling. Discover retry strategies, response codes, and reliability patterns that prevent costly downtime.
Vulnerability Reporting Policy
Vulnerability Reporting Policy At Traject, trust is our #1 value and we take the protection of our customers’ data very seriously. The Traject security team acknowledges the valuable role that independent security researchers play in Internet security. As a result,...
Tutorials
How to Measure & Improve API Performance
APIs have become increasingly important to the success of businesses. Many technology products, applications, and systems depend on them to perform their duties. And the number of API requests continues to grow. As a result, poor API performance can slow...
SERP, Data
Navigating the AI Search Engine Wars: How SERP APIs Keep You Ahead of the Curve
AI is altering the tech landscape at an unprecedented pace. Around 72% of businesses are using AI for at least one function, making it the hottest topic in tech circles. Search engine technology, in particular, has undergone rapid evolution. While Google still dominates the market, the rise of AI has sparked disruptions, giving new players a shot at capturing market share. Enter the "Search Engine AI Wars," where established giants and emerging contenders are battling for supremacy.
Ecommerce APIs
Traject Data eCommerce APIs Complete real-time eCommerce product information scraper APIs for product development, pricing strategy and market research. 800M Requests per month 174M Batch requests per month 26k Total eCommerce Customers Need help choosing the best eCommerce API for...
SERP APIs
Traject Data SERP API's Receive the most comprehensive search data fast and conveniently with bulk SERP tracking APIs from Traject Data. 1.2B Requests per month 127M Batch requests per month 22K Total SERP customers Need help choosing the best SERP...
eCommerce
Data-Driven Amazon Listing Creation for Maximum Visibility and Sales
Master Amazon listing optimization with data-driven strategies that boost visibility, improve search rankings, and drive higher conversion rates for your products.
Homepage V2
Traject Data lets you scale E-comm & SERP data – faster than ever Stay ahead of pricing shifts, optimize strategy, and seize opportunities the moment they appear. Talk to an expert Try Interactive Demo Take Product Tour Trusted by over...
The Dataset Trusted by the Wall Street Journal
The Dataset Trusted by the Wall Street Journal SKU-level pricing data from Amazon, Walmart & Target — now available to funds and researchers. Talk to an Expert As seen in: Top Analysts WSJ Dataset Sample Dataset FAQs Why Top Analysts Are Using...The Dataset Trusted by the Wall Street Journal
SKU-level pricing data from Amazon, Walmart & Target — now available to funds and researchers.
As seen in:
Why Top Analysts Are Using This Dataset
Model Market Signals
Track SKU-level pricing trends across time and category.
Analyze Tariff Impact
See how brands and retailers adjusted to policy shifts.
Backtest Price Volatility
Daily data from January 2025 to present for testing and simulation.
No Pipelines Required
Delivered in structured JSON — clean, fast, and cloud-ready.
What’s Included in the WSJ Dataset
This dataset was used in The Wall Street Journal’s pricing coverage (subscription required)
What the Data Looks Like
Note: This is a simplified excerpt for illustrative purposes only. Actual dataset responses include additional metadata fields, formatting structure, and schema depth.
Want a Custom Dataset Instead?
We also build bespoke pricing datasets for funds tailored by brand, category, frequency, or source.
Frequently Asked Questions
Is this the same dataset used by the Wall Street Journal?
Yes. Same products, structure, and collection cadence.
Is the data current?
This is historical snapshot data — a day-by-day capture of product listings from Jan 2025 to present.
It’s ideal for tracking pricing shifts, modeling volatility, and backtesting against market events.
Some products in the dataset may no longer be live today, but their past pricing behavior remains fully preserved.
Which marketplaces are included in this dataset?
The WSJ dataset includes daily pricing snapshots for a broad cross-section of products sold on Amazon, Walmart, and Target in the U.S.
Looking for additional marketplaces?
We also support custom datasets if you’re interested in platforms beyond those listed. Talk to an expert to explore your options.
Can I track other categories or products?
Yes. We support scoped Custom Datasets with tailored SKUs and schedules.
Is the data cleaned or enriched?
No. The data provided is raw and structured. You interpret it on your own terms.
Can I get updates over time?
Yes. We offer daily or weekly refreshes as part of an ongoing subscription.
See What’s Inside
We’ll show you what’s included, how it works, and how to get started.