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SoldComps VS php eventloop

Compare SoldComps VS php eventloop and see what are their differences

Lucris
Financial decision-making for Shopify brands, connecting sales and marketing to show what drives profit - and what to do next. sponsored
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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

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.

php eventloop logo php eventloop

a simple non blocking and async event loop written in php
  • 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.

  • php eventloop Landing page
    Landing page //
    2023-07-27

SoldComps

Website
sold-comps.com
Pricing URL
Official SoldComps Pricing
$ 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
Edit details

php eventloop

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Edit details

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

php eventloop features and specs

  • Simple and lightweight
    The library provides a minimalistic implementation of an event loop in PHP, making it easy to understand and integrate into small projects without heavy dependencies.
  • Educational value
    As a straightforward PHP event loop implementation, it serves as a great learning resource for developers wanting to understand how event loops and asynchronous programming concepts work under the hood in PHP.
  • Non-blocking I/O support
    The library enables non-blocking I/O operations in PHP, allowing developers to handle multiple tasks concurrently without relying on multi-threading, which PHP does not natively support well.
  • Timer and periodic task support
    It provides built-in support for timers and periodic tasks, enabling developers to schedule recurring operations or delayed execution within the event loop.
  • Pure PHP implementation
    The library is written in pure PHP without requiring external C extensions, making it portable and easy to install across different PHP environments without special compilation steps.

Possible disadvantages of php eventloop

  • Limited community and support
    The project has a very small community with minimal stars, forks, and contributors on GitHub, which means limited peer support, fewer bug reports, and potentially slower issue resolution.
  • Not production-ready
    Given its small scale and limited adoption, the library may not be battle-tested enough for production environments where reliability, performance, and stability are critical.
  • Limited features compared to alternatives
    More established PHP async libraries like ReactPHP, AmpPHP, and others offer far more comprehensive ecosystems with HTTP servers, database clients, and stream handling that this library lacks.
  • Performance limitations
    Being a pure PHP implementation without leveraging extensions like ev, libuv, or swoole, the event loop may suffer from performance bottlenecks compared to extension-backed alternatives when handling high concurrency.
  • Poor documentation
    The repository has minimal documentation and examples, making it difficult for new users to understand the full API, edge cases, and best practices for using the library effectively.

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 php eventloop

Overall verdict

  • php-eventloop is a lightweight event loop implementation for PHP that provides a solid, minimalistic solution for developers wanting to implement asynchronous, non-blocking behavior without adopting a full framework like ReactPHP or Amp. It's good for learning purposes and simpler use cases, though it lacks the extensive ecosystem, tooling, and production hardening of more established async libraries.

Why this product is good

  • Lightweight and simple to understand, making it easy to integrate into small projects
  • Useful for learning how event loops work under the hood in PHP
  • Minimal dependencies compared to larger async frameworks
  • Open source and available for inspection/modification on GitHub
  • Can be a good starting point for building custom async solutions

Recommended for

  • Developers learning about event-driven programming in PHP
  • Small projects needing basic async functionality without heavy dependencies
  • Educational purposes and understanding event loop internals
  • Prototyping simple non-blocking I/O operations
  • Developers who want full control over a minimal event loop implementation

Category Popularity

0-100% (relative to SoldComps and php eventloop)

SoldComps

php eventloop

eCommerce Tools
100 100%
eCommerce Tools
0% 0
Eventloop
0 0%
Eventloop
100% 100
eCommerce
100 100%
eCommerce
0% 0
JavaScript
0 0%
JavaScript
100% 100

Questions & Answers

As answered by people managing SoldComps and php eventloop.

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 php eventloop, 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.

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