Overview
The eBay API gives you access to eBay's massive marketplace, letting you search listings, retrieve product details, manage inventory, and handle orders programmatically. It uses OAuth 2.0 for secure access and supports both buyer-facing and seller-facing operations. Developers use it to build price-tracking tools, seller dashboards, and cross-platform e-commerce integrations.
Beginner Tip
Start with the Browse API, which is the simplest eBay API and does not require user authentication — just an app token from the developer portal. Use the /item_summary/search endpoint to search for listings before diving into the more complex Trading or Fulfillment APIs.
Available Data
Example Response
{
"status": "success",
"data": {
"result": "Data from eBay",
"description": "Sell and Buy on eBay",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
itemId Unique eBay identifier for the listing, used to retrieve full item details title Listing title as written by the seller price.value Current listing price as a decimal string (e.g., "29.99") price.currency ISO 4217 currency code for the price (e.g., USD, GBP) condition Item condition such as NEW, USED, or REFURBISHED seller.username eBay username of the seller offering the item Implementation Example
const url = "https://developer.ebay.com/";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"Authorization": "Bearer YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Matrix Score Breakdown
Partially tested on Apr 5, 2026
Technical Specifications
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