As more merchants flock to the web to sell their products, there has been a deluge of data to be indexed by retailers who are looking to see where certain products are being sold and for how much. Parsing and extracting the value from all of this data is a huge challenge. YC-backed Semantics3 has created a database that aims to track every product sold online, and every price it has ever been sold at, providing retailers with an API to this database.

The company, which was founded by classmates at a computer engineering college program in Singapore, indexes several dozen of the top e-commerce sites online and provides a self-serve API so developers can tap into its constantly updated database of consumer products. Why would developers want to index this data? Retailers need to do UPC lookups, get detailed data for products (i.e. consumer electronics or clothing) sold on the web, price histories and more.

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