Need help! How do you giveaway stuff to anyone to types a keyword?

Hey guys,

I want to giveaway about 3,000 keys for a CBT of a game called Black Squad. Is there any sort of bot that instantly gives a key to anyone who types in a key word?

I looked at Moobot and Nightbot and they only do giveaways that don't guarantee 100% win rate for everyone who enters.

Any help would be appreciated. Thank you.