Semantics3 (YC W13) gives you access to similar pricing data, but across several web retailers [1]. They seem to have a slightly different take: being a data A

Semantics3 (YC W13) gives you access to similar pricing data, but across several web retailers [1]. They seem to have a slightly different take: being a data API rather than a standalone website for product tracking and discovery. [1] https://www.semantics3.com/ https://www.semantics3.com/