Software Alternatives, Accelerators & Startups

SoldComps VS api-usage

Compare SoldComps VS api-usage and see what are their differences

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SoldComps logo SoldComps

One API call, up to 240 real eBay sold prices. Real-time transaction data for resellers, flippers, and developers. Try the live demo free.

api-usage logo api-usage

Track your OpenAI API token usage & cost.
  • SoldComps Hero
    Hero //
    2026-07-15
  • SoldComps Docs
    Docs //
    2026-07-15
  • SoldComps Dashboard Search
    Dashboard Search //
    2026-07-15
  • SoldComps Price Tiers
    Price Tiers //
    2026-07-15
  • SoldComps Dashboard
    Dashboard //
    2026-07-15

SoldComps is an eBay sold-listings API for resellers, flippers, and developers who need real completed-sale data for pricing.

A single keyword search returns up to 240 sold listings straight from eBay's completed-sales results โ€” the sold price recorded on each listing, plus shipping, currency, condition, sale date, seller, and a clean item URL, all as structured JSON.

Highlights:

  • Up to 240 sold comps per keyword search โ€” paginate for more
  • Structured JSON: price, shipping, currency, condition, sale date, seller rating, and item URL
  • 8 eBay marketplaces โ€” US, UK, Germany, France, Italy, Spain, Canada, and Australia โ€” each with correct regional currency
  • Fetched in real time on every request โ€” no cached or stale prices
  • Async "Max Mode" for high-volume sweeps, plus one-click Excel export

Built for price research, repricing tools, inventory sourcing, and market analytics. Try the live demo free.

  • api-usage Landing page
    Landing page //
    2023-07-26

SoldComps

$ Details
freemium $9 / Monthly (Starter Tier. 2000 requests / month)
Platforms
REST API Web
Release Date
2026 March
Startup details
Country
Canada
State
Ontario
Employees
1 - 9

api-usage

Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Categories -

SoldComps features and specs

  • Sold comps per request
    Up to 240 completed eBay sales per keyword search
  • Response data
    Sold price, shipping, currency, condition, date, seller, item URL
  • eBay marketplaces
    8 regions: US, UK, DE, FR, IT, ES, CA, AU
  • Output & authentication
    Clean JSON from one API-key GET request โ€” no OAuth or XML
  • Data freshness
    Fetched live per request โ€” no cached or stale prices
  • Max Mode (bulk)
    Async auto-paginating sweeps for large pulls, with CSV output
  • Search filters
    Category, price range, condition, and date window

api-usage features and specs

  • API Discovery
    Provides a centralized platform to discover and explore various APIs, making it easier for developers to find services that fit their needs.
  • Usage Insights
    Offers insights into API usage patterns, which can help developers and businesses understand trends and optimize their integrations.
  • Comparison Features
    Allows users to compare different APIs based on various metrics, aiding in more informed decision-making when selecting an API.
  • Community Contributions
    May include community-driven content such as reviews or ratings, providing real-world feedback on API performance and reliability.
  • Educational Resource
    Acts as a resource for developers new to APIs, offering explanations and guidance on how to effectively use various APIs.

Possible disadvantages of api-usage

  • Limited API Coverage
    The platform might not include all available APIs, potentially missing niche or newly released services that could be relevant to some users.
  • Outdated Information
    Information on the platform may not be updated in real-time, leading to discrepancies between the listed data and the actual current state of an API.
  • Lack of Personalization
    The platform may not offer personalized recommendations based on specific user needs or previous usage patterns, limiting its utility for tailored searches.
  • Dependency on User Input
    If the platform relies on user-generated content for reviews or ratings, the quality and reliability of this information can vary significantly.
  • Potential Overwhelm
    With numerous APIs and data points available, new users might find it challenging to navigate and extract the most relevant information for their specific use case.

Analysis of SoldComps

Overall verdict

  • SoldComps appears to be a useful tool for buyers, sellers, and resellers seeking quick access to sold item comparables, primarily useful for pricing research on platforms like eBay, though users should verify data accuracy and coverage against official marketplace tools before relying on it for major decisions.

Why this product is good

  • Provides sold price data that can help users gauge fair market value for items
  • Can save time compared to manually searching through sold listings
  • May offer a simpler or more streamlined interface than default marketplace search tools
  • Useful for resellers, flippers, and collectors who need quick pricing references

Recommended for

  • Online resellers and flippers researching pricing before listing items
  • Casual sellers wanting a quick sense of an item's resale value
  • Collectors checking historical sale prices for specific items
  • Small business owners sourcing inventory who need to verify profitability

Analysis of api-usage

Overall verdict

  • Without independent verification, api-usage (apiusage.info) cannot be confidently confirmed as a good or reliable service since there is insufficient public information, reviews, or track record available to assess its quality, security, and support.

Why this product is good

  • Limited publicly available information makes it difficult to verify claims about the service
  • No substantial user reviews or third-party assessments found to confirm reliability or performance
  • Unclear track record regarding uptime, customer support quality, or data security practices
  • Potential newer or niche player in the API monitoring/usage tracking space with limited market validation

Recommended for

  • Users willing to conduct their own due diligence and testing before committing
  • Those seeking a possibly low-cost or niche alternative to established API usage tracking tools
  • Developers comfortable trying newer services and providing feedback
  • Not recommended for enterprises requiring proven, well-documented vendor reliability without further research

Category Popularity

0-100% (relative to SoldComps and api-usage)
eCommerce
100 100%
0% 0
eCommerce Tools
100 100%
0% 0
APIs
100 100%
0% 0
Ebay Alerts
100 100%
0% 0

Questions & Answers

As answered by people managing SoldComps and api-usage.

What makes your product unique?

SoldComps's answer

SoldComps returns real eBay sold listings โ€” completed sales, not active listings or estimates โ€” from a single API call.

One keyword search returns up to 240 sold items, each as clean JSON with:

  • Sold price, shipping, and currency
  • Condition and sale date
  • Seller info and a direct item URL

Most tools lock this data behind a dashboard or require an approved eBay developer account. SoldComps hands it back as a simple authenticated GET request you can integrate in minutes โ€” across 8 eBay marketplaces.

Why should a person choose your product over its competitors?

SoldComps's answer

It's built API-first for people who want the data, not another dashboard to log into.

No eBay developer account, OAuth flow, or approval process โ€” just an API key and a GET request that returns clean JSON. What you get:

  • Up to 240 completed sales per search, across 8 eBay marketplaces (US, UK, DE, FR, IT, ES, CA, AU)
  • Fetched live, so results are never stale
  • Filters for category, price, condition, and date window

Pricing is per search, not per result โ€” a search that returns 10 items or 240 counts as one request โ€” and there's a free tier with no credit card to start.

How would you describe the primary audience of your product?

SoldComps's answer

SoldComps serves four main audiences:

  • Resellers & flippers โ€” price inventory from real sold comps before buying at thrift stores, estate sales, and storage auctions
  • Developers โ€” build price-comparison tools, repricers, or valuation features on clean eBay sold data instead of scraping it themselves
  • Market researchers โ€” analyze demand, price ranges, and sell-through from completed sales
  • Estate-sale & liquidation operators โ€” price large lots quickly

What's the story behind your product?

SoldComps's answer

SoldComps started from a simple, recurring frustration: eBay is the best source of real sold-price data, but actually getting that data is painful.

eBay's own API heavily restricts access to sold listings and gates it behind an approval process, and pulling comps by hand is slow and doesn't scale.

So SoldComps collapses all of that into one clean API call โ€” pass a keyword, get back up to 240 completed sales as structured JSON โ€” so resellers and developers get the pricing data they need without wrestling eBay's API or scraping it themselves.

Which are the primary technologies used for building your product?

SoldComps's answer

SoldComps is built in TypeScript โ€” a Hono API backed by PostgreSQL, with a React web app. Billing runs on Stripe.

Who are some of the biggest customers of your product?

SoldComps's answer

SoldComps is used across its core audiences rather than a few big-name accounts:

  • Resellers and flippers pricing inventory before they buy
  • Developers adding eBay sold-price data to their apps
  • Market researchers analyzing demand and pricing trends
  • Estate-sale and liquidation pros pricing large lots fast

User comments

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What are some alternatives?

When comparing SoldComps and api-usage, you can also consider the following products

Underpriced.App - Underpriced โ€“ AI Profit Checker App for Resellers & Thrift Flippers Snap any thrift find or marketplace listing โ†’ get instant profit margins, eBay comps & red flags. Used by 10,000+ flippers. Free to try!

Google Lens - Discover information about something by taking a photo

Terapeak - Terapeak Research is an all-in-one solution that provides online sellers with an e-commerce platform research tool to better understand their listingsโ€™ performance on online marketplaces.

Flipshope - Shop smartly with Flipshope price history tracker, price alert & deals it is free and easy to use, save money and your time while shopping online.

ZIK Analytics - ZIK empowers eBay, Amazon, and Shopify sellers with unlimited market insights, guiding them from break-even to financial independence.

ScoutFlip - ScoutFlip helps thrift resellers, eBay sellers, and online flippers instantly know if an item is worth buying. AI-powered resale value estimates, sell-through rates, and buy/pass decisions in under 10 seconds.