Bulk Barcode Lookup
Look up thousands of UPC, EAN, GTIN, or ASIN codes in one API request — built for wholesale lists and catalog imports.
Free daily lookups · UPC, EAN, GTIN, ISBN & ASIN · 1.6B+ products
Bulk barcode lookup is essential when you have a spreadsheet of hundreds or thousands of SKUs. Unlike manual tools that require one search at a time, EcomSource's bulk barcode lookup API processes mixed identifier lists in batch — the same use case as Go-UPC Bulk Lookup and BarcodeLookup Bulk, with real-time API delivery instead of 24–48 hour CSV turnaround.
How bulk barcode lookup works
POST your list of UPCs, EANs, GTINs, or ASINs to /api/v1/search/bulk. Each response includes product title, brand, identifiers, images, and Amazon data. Export to CSV from your dashboard or pipeline results directly into inventory systems.
Bulk barcode lookup vs competitor bulk services
BarcodeLookup and Go-UPC offer email-based bulk lookup with multi-day turnaround. EcomSource bulk barcode lookup runs through the API in real time — better for automation, repricing bots, and AI agents that need immediate JSON.
Frequently asked questions
How many barcodes can I look up at once?
Batch endpoints support large lists; see API docs for current per-request limits and rate tiers on your plan.
Can I mix UPC and ASIN in one bulk request?
Yes. Bulk barcode lookup auto-detects identifier types in the same payload.