Show HN: Semantics3 – API for Products and Prices 13 years ago
I used this service before: https://www.singlefeed.com/
It's worth it if you don't have a ton of development resources and are trying to get exposure fast.
However, if you can do it yourself, you can take advantage of optimizations you just can't get from canned solutions.
Also, all your competitors don't have the same advantages you do.