{"args":{"foo1":"{{headers}}","foo2":"bar2"},"headers":{"host":"postman-echo.com","user-agent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","accept":"*/*","accept-encoding":"gzip, br","x-forwarded-proto":"https","cookie":"__cf_bm=wXv9U6PRT_Up8eErSIT6QbcGySKH2KYl7qJVsRLot9U-1775907818.1816947-1.0.1.1-u8WByXpTlFqglYpv9sdVvu940PV0A390UMsTYZI4rShtt6slYiqW6mTTVjFGusvptqKhG4gkMYDoApJOMv9JAxPE5TwQUVcCu2WrF5vvr3jvOAXH9MZ3_mIN.CjZg92t; _cfuvid=B8ZF_20C_obWvMaAAT1WqrNYn5s9g9X8fYR7hmZzQ70-1775907818.1816947-1.0.1.1-cIQDFyeS.itU7mi3imLtss6BJeyjyJNwv129VSuaoa4"},"url":"https://postman-echo.com/get?foo1=%7B%7Bheaders%7D%7D&foo2=bar2"}