NHDPlus Version 2

curl "https://hydrological.org/api/v1/datasets/nhdplus-v2/links?bbox=-96.5,33,-94.5,35" \
  -H "Accept: application/json"

import requests

r = requests.get("https://hydrological.org/api/v1/datasets/nhdplus-v2/links",
                 params={"bbox": "-96.5,33,-94.5,35"})
for group in r.json()["groups"]:
    for link in group["links"]:
        print(link["url"])

const res = await fetch("https://hydrological.org/api/v1/datasets/nhdplus-v2/links?bbox=-96.5,33,-94.5,35");
const { groups } = await res.json();
for (const g of groups) g.links.forEach(l => console.log(l.url));