B2B Data API

    Product intelligence API for B2B sellers, wholesale teams, and catalog pipelines — not just retail lookup.

    Free daily lookups · UPC, EAN, GTIN, ISBN & ASIN · 1.6B+ products

    **B2B data API** buyers need verified identifiers, consistent titles, and batch throughput for supplier manifests. EcomSource powers B2B catalog sync, wholesale validation, and multi-marketplace matching with the same engine behind our **asin to upc api** and **product data api** endpoints.

    B2B data API use cases

    - Wholesale manifest enrichment (UPC → ASIN, title, brand) - B2B marketplace listing creation - Supplier SKU normalization - AI sourcing agents and automated RFQ tools - Multi-channel inventory master data

    Why teams choose EcomSource for B2B APIs

    Sub-200ms cache responses, bulk batch endpoints, and 1.6B+ products. Compared to legacy barcode databases, EcomSource adds Amazon-grade variation and ASIN mapping B2B workflows require.

    Frequently asked questions

    What is a B2B data API?

    A B2B data API delivers structured product records (identifiers, attributes, images) for business catalog systems — not consumer barcode scanner apps alone.

    Can we integrate via REST?

    Yes. See /docs for authentication, bulk search, and response schemas.