Using this api as a base
I consult as follows (as the post says):
rsExchange.getExchangeItem("Yew logs").ifPresent(System.out::println);
It works well, but if I consult another item like "Clay" it does not work, the value it brings of the page is "-1" in all prices.
I manually check the link and return the json with the prices.
http://api.rsbuddy.com/grandExchange?a=guidePrice&i=434
The next json throws me:
{"overall":136,"buying":140,"buyingQuantity":33,"selling":136,"sellingQuantity":867}