According tow hat I could find, there are three spiders in the US that are on top of the lists for venom reaction.
“Huntsman spiders are not considered to be dangerous spiders. As with most spiders, they do possess venom, and a bite may cause some ill effects. However, they are quite reluctant to bite, and will usually try to run away rather than be aggressive.”
According to spider.com, a Huntsman Spider bite is low risk (non toxic) to humans, they are non-aggressive spiders, but, a large individual can give a painful bite.
https://www.spiders.com.au/huntsman-spider.html
Black Widow bites are more serious, but they re not normally deadly by themselves.
https://www.livescience.com/51014-black-widow-spiders-misconceptions.html
BW’s are not aggressive. But they won’t be provoked either.
My grandfather was bit and he got very sick, but survived. Most do. The venom is not quite strong enough to kill but with other factors can be contributory.
The violin spider is a lot like the black widow in it will bit when provoked and not try to escape. It’s bite will cause the skin area around the bite to break down and fall off. Not deadly.
wy69