Dynamic portion coming from https://httpbin.org/headers:
{ "headers": { "Accept-Encoding": "gzip, br", "Cdn-Loop": "cloudflare; loops=1; subreqs=1", "Cf-Connecting-Ip": "2a06:98c0:3600::103", "Cf-Ew-Via": "15", "Cf-Ray": "99ea8647216bb471-ORD", "Cf-Visitor": "{\"scheme\":\"https\"}", "Cf-Worker": "dazzling-ebikes.com", "Host": "httpbin.org", "User-Agent": "cloudflare", "X-Amzn-Trace-Id": "Root=1-6917c4e7-38bac7f66244f2362fd5b7d4" } }