DataFeedFile.com Price Comparison Shopping Web Services via XML / RSS
XML stands for Extensible Markup Language, which is a data delivery method using text based mark-up language. XML allow data transfered to be organized and labeled for clarity.
.com also supports JSON
web services similar to XML web service queries. DFF recommends using JSON
versus XML because JSON
is more consistent, more compact and easier to parse.
XML queries are sent to DFF server via regular HTTP GET request like this:
.com provides the following XML web services:
- http://www.datafeedfile.com/examples/xml.php?eid=0_0 Price Search Engine (PSE)]]
- Product Price Comparison (PPC)
- Merchant List (merlist)
- Merchant Information (merinfo)
- Deals, Rebates, Coupon Codes database
- RSS version of Deals, Rebates, Coupon Codes
- Merchant Products: Top # of Products
- Merchant Products: Random
XML Web Services Version 2
We have made some improvements to DFF's XML web services to deliver more data and more accuracy with Version 2.
Version 2 XML web services uses UTF-8 / Unicode character encoding. Version 2 is also more similar structural wise to our JSON
Version 2 is available for Price Search Engine (PSE) and all newer XML web services will all use UTF-8 / Unicode character encoding.
How to do Paging or Pagination using XML web services
Since XML web services are meant for short / brief data deliveries with limitation on number of records, you have to use paging/pagination to request more information for paging and multiple web pages on your site. Click on this wiki documentation for XML/JSON paging instructions