Retrieve GTINs (Global Trade Item Numbers) from a list of Amazon ASINs. Get UPC and EAN barcodes for any Amazon product to cross-reference with supplier catalogs.
Also convert UPCs to ASINs, ASINs to UPCs, or ASINs to EANs
Last updated: February 2026
Enter your ASIN below to convert it to a GTIN (UPC/EAN) for free. No sign up required!
Need to convert a list of ASINs to barcodes? Upload your CSV or XLSX list to Rocket Source today and save hours of manual searching.
More than just ASIN to GTIN conversion, Rocket Source allows you to stay competitive with up-to-date buybox pricing, sales ranks, FBA fees, competitor information and much, much more. The data we provide can give you an edge over your competition, helping you to make smarter sourcing and pricing decisions.
Sign up for our 100% free Startup plan today and start converting up to 50,000 ASINs to barcodes per week.
A: GTIN (Global Trade Item Number) is an umbrella term for product identification codes including UPC (12 digits, North America), EAN (13 digits, international), and ISBN (books). When you convert an ASIN to GTIN, you'll receive all available barcodes for that product.
A: Rocket Source can support even the most demanding needs. Our Scale plan is capable of running lists of hundreds of thousands of products without skipping a beat. However, free plans are limited to just one scan of up to 50k ASINs per week.
A: All of them! We support all Amazon marketplaces including US, CA, MX, UK, DE, FR, IT, ES, NL, SE, PL, AU, JP, SG, AE, SA, IN, TR, EG, and BR.
A: We provide 90+ data points including the converted UPC/EAN/GTIN, pricing information, BSR (Best Seller Rank), competitor data, FBA fees, and profitability calculations.
A: Common use cases include: listing products on other marketplaces like eBay or Walmart that require barcodes, verifying product authenticity, cross-referencing with supplier catalogs, and scanning products in retail stores for arbitrage opportunities.
A: Some products on Amazon don't have associated UPC/EAN codes, particularly Amazon-exclusive products, handmade items, or listings created with GTIN exemptions. In these cases, we'll indicate no barcodes were found.
Need programmatic access? Use our API to convert thousands of ASINs to GTINs automatically.
cURL
curl -X POST "https://app.rocketsource.io/api/v3/asin-convert" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"marketplace": "US", "asins": ["B07ZPC9QD4"]}'JavaScript
const response = await fetch(
'https://app.rocketsource.io/api/v3/asin-convert',
{
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
marketplace: 'US',
asins: ['B07ZPC9QD4']
})
}
);
const data = await response.json();