Day 01
Today I learned that
https://postman-echo.com/get?user-agent:PostmanRuntime/7.29.0
≠ 
https://postman-echo.com/get?user-agent=PostmanRuntime/7.29.0
be careful when you copy user-agent content . I copied everything with the colon and added it to my url and got this error :
it’s a pretty simple mistake but makes a world of a difference!