Walmart Update bulk prices (Multiple)

Updates prices in bulk. In one Feed you can update up to 10,000 items in bulk. To ensure optimal Feed processing time, we recommend sending no more than 1000 items in one Feed and keeping the Feed sizes below 10 MB. The price sequence guarantee is observed by the bulk price update functionality, subject to the following rules: The timestamp used to determine precedence is passed in the request headers. All price updates in the feed are considered to have the same timestamp. The timestamp i...