Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

New answers tagged


It’s likely the leading zero is to make a UPC-A (12 digits) compliant with EAN-13 The most commonly used EAN standard is the thirteen-digit EAN-13, a superset of the original 12-digit Universal Product Code (UPC-A)


You may want to take a look at the NDC Directory:


The product_code field is at the top level (not nested under openfda), so only the second query would be correct. Also, the value should be capitalized: DXN. This query will produce results you need:


There is only one record in this dataset that matches the criteria you provided, and since you are using the skip parameter with a value of 100, the record essentially gets excluded from the result set. Try dropping the skip parameter:"Westminster"+AND+termination_date:[2011-01-01+TO+2014-01-01]&...

Top 50 recent answers are included