Well, this one is a bit cheeky because I borrowed it from a colleague of mine David Coon. Thanks David, I appreciate your assistance!

#!/bin/bash


auth() {
    read -p "What is your Account Number: " ddi
    read -p "Whats your username:" username    
    read -p "Whats your APIkey:" APIkey
    read -p "Which Datacenter are your servers in? " dc
}

token() {
    
    token=`curl -s https://identity.api.rackspacecloud.com/v2.0/tokens -X POST \
    -d '{"auth":{"RAX-KSKEY:apiKeyCredentials":{"username":"'$username'", "apiKey":"'$APIkey'"}}}' \
    -H "Content-Type: application/json" | python -m json.tool  | sed -n '/expires/{n;p;}' |sed -e 's/^.*"id": "\(.*\)",/\1/'`
    echo "Your API Token is ---->  $token"
}

listservers() {
    curl -s -H "X-Auth-Token: $token" "https://$dc.servers.api.rackspacecloud.com/v2/$ddi/servers" | python -m json.tool
}

getservers() {
    read -p "What is the server id?" id
    curl -s -H "X-Auth-Token: $token" "https://$dc.servers.api.rackspacecloud.com/v2/$ddi/servers/$id" | python -m json.tool
}

auth
token
listservers
getservers