Are the bean-like seedpods poisonous or in any way harmful to humans?
The are 2 plants commonly known as trumpet vine. One, Campsis radicans, is a fast-growing large vine with medium sized flowers that are shaped like a trumpet. The other is a smaller vine with smaller flowers and is also called coral honeysuckle, Lonicera sempervirens. I think you are referring to the first vine which is more common. Here is information. Toxicity is at the bottom of the page.