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

Which is more popular?
Based on our record, Basecamp seems to be more popular. It has been mentioned 41 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sold-comps.com | basecamp.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Canada · 1 - 9 employees · 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


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 — the sold price recorded on each listing, plus shipping,...
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What each product offers, as listed by its team.


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Why this product is good
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As answered by people managing SoldComps and Basecamp.
SoldComps's answer
SoldComps returns real eBay sold listings — completed sales, not active listings or estimates — from a single API call.
One keyword search returns up to 240 sold items, each as clean JSON with:
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 — across 8 eBay marketplaces.
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 — just an API key and a GET request that returns clean JSON. What you get:
Pricing is per search, not per result — a search that returns 10 items or 240 counts as one request — and there's a free tier with no credit card to start.
SoldComps's answer
SoldComps serves four main audiences:
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 — pass a keyword, get back up to 240 completed sales as structured JSON — so resellers and developers get the pricing data they need without wrestling eBay's API or scraping it themselves.
SoldComps's answer
SoldComps is built in TypeScript — a Hono API backed by PostgreSQL, with a React web app. Billing runs on Stripe.
SoldComps's answer
SoldComps is used across its core audiences rather than a few big-name accounts:
Share your experience with using SoldComps and Basecamp. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Basecamp offers a clean interface and basic tools for communication and task management. It’s great for small teams who want to keep things low-friction, but its simplicity can become a limitation for teams that need...
Benefits:Basecamp's simplicity makes it ideal for startups or small businesses looking for an all-in-one solution without the complexity of larger platforms.
Basecamp is a project management software helping remote teams organize tasks, track project progress, and collaborate over tasks. The tool aims to bring task management and project team communication under one tent...
Recommendations tracked on public social media and blogs since March 2021.


Tracking SoldComps since Jul 2026.
Basecamp is a hosted project management tool that makes it dead simple to keep track of project discussions, files, and events from beginning to end, all in one place. - Source: dev.to / 7 days ago
One implementation note that cost me a wrong result: URL predicates need tighter clause boundaries than entity mentions do. Split on sentence punctuation only, and "并没有推出中文官网,其主要官网是 https://basecamp.com" flags that URL as negated — but... - Source: dev.to / 3 months ago
Products like Fullstory (analytics), Intercom (live chat), Basecamp (project management), and Shopify (eCommerce) were created based on internal tools. - Source: dev.to / 7 months ago
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