Well I couldn't get it to work with Burp, maybe I had the syntax wrong but I was using syntax I've seen in a lot of other sites...but it worked fine with curl

Thanks for comments guys! Really helped me solve this puzzle.

just make a simple curl POST request

too easy

Thanks guys:)

Nice, this was pretty simple.

NOCE !

The site is broken (for real) copy-pasted the flag from google!

I learn something here xD

Me too xD

Incorrect difficulty, should be EASY

Found how to use curl. Nice challenge :)

The site is broken (for real) copy-pasted the flag from google!

Yup! To easy for medium.

Thanks for comments guys! Really helped me solve this puzzle.

Good challenge. Solved using CURL.

same

I think, for ctfs' cURL is like oxygen.