https://github.com/sferik/twitter-crystal
Twitter Crystal is a library to access the Twitter API using Crystal.
require "twitter-crystal"
consumer_key = "your consumer key"
consumer_secret = "your consumer secret"
token = "your access token"
secret = "your secret access token"
client = Twitter::REST::Client.new consumer_key,
consumer_secret, token, secret
client.post "/1.1/statuses/update.json",
{ "status" => "The world is your oyster." }