developmentHow to Build a Collectibles Valuation App with eBay Sold Data
Build a collectibles app that combines reviewed sold comps, explainable price estimates, linked evidence, and a shared refresh budget for paid and free users.
Read articleThe field manual for eBay data
Runnable tutorials, production playbooks, honest API comparisons, and source-aware research for teams building with eBay data.
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developmentBuild a Used-Electronics Trade-In Quote Tool with eBay Sold Data
Turn reviewed electronics comps into a merchant-owned resale scenario, costed acquisition ceiling, and staff-approved conditional trade-in offer.
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developmentBuild a Resale Inventory Pricing Dashboard with eBay Sold Comps
Combine reviewed eBay comps with your own acquisition costs and inventory age to create a pricing review queue, with merchant cost floors, evidence states, and approval checks.
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developmentAdd Price Suggestions to Your Resale Marketplace
Add an explainable asking-price suggestion to a seller's listing form with reviewed eBay comps, evidence freshness checks, seller approval, and draft versioning.
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skillsCompare eBay US, UK, and Germany Listings Without Mixing Currencies
Build separate eBay marketplace cohorts, preserve USD, GBP, and EUR amounts, and make optional currency conversions explicit and reproducible.
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skillsBuild a Trading-Card Pricing Pipeline Without Mixing Grades and Variants
Turn eBay card-search results into reviewable cohorts by preserving set, card number, parallel, language, edition, grader, and grade before calculating a median.
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skillsBuild a Reliable eBay Data Pipeline: Cache Ages, Rate Limits, Retries, and Status Checks
Design an eBay data pipeline that keeps source timestamps, shares request limits, handles retries safely, and preserves useful observations when refreshes fail.
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developmentWhy eBay Sold Prices Disagree: Best Offers, Shipping, Lots, and Small Samples
Diagnose differences between eBay sold-price summaries by auditing displayed price basis, unknown accepted offers, shipping, lots, sample composition, and observation timing.
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developmentUsed Electronics Comps: Match Model, Condition, and Bundle Before Calculating a Median
Build a reviewed used-electronics comparable set with explicit model, storage, carrier, condition, and bundle rules before calculating Decimal medians and interquartile ranges.
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developmenteBay Sold Prices vs Asking Prices: Build a Comparable-Listing Analysis
Compare active asking prices with displayed sold-listing prices using consistent cohorts, explicit shipping rules, reviewed matches, and reproducible Python summaries.
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skillsBulk eBay Search to CSV: Research an Inventory List with Background Jobs
Turn an inventory query list into bounded, resumable eBay search jobs, with authenticated polling, cancellation, CSV downloads, and explicit request budgets.
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skillsBuild an eBay Analytics Connector for Google Sheets
Create a manual-refresh Google Sheets connector for eBay sold listings, with per-user keys, numeric prices, explicit currencies, and auditable snapshots.
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skillsConnect an AI Agent to eBay Data with SoldFetch MCP
Give an AI agent a bounded eBay research workflow: discover listings, inspect selected items, and preserve prices, currencies, and uncertainty.
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skillsGet eBay Sold Listings in Python: Search, Clean, and Export to CSV
Use Python to search eBay sold listings, clean a comparable set, preserve uncertain prices and shipping, and export an auditable CSV.
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productMoving an eBay Integration to SoldFetch
Plan an eBay API migration with familiar endpoint paths, explicit capability checks, response mapping, quota accounting, and a staged rollout.
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skillseBay Item API Guide: Look Up a Listing by Item ID
A practical guide to retrieving eBay listing details, preserving price and marketplace context, and handling missing fields, caching, and API errors.
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developmentBuild an eBay Price Tracking Workflow
Track eBay listing observations with a stable comparison set, explicit price uncertainty, durable history, bounded pagination, and useful change alerts.
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