To get an upvote from Busy bot you need to:

• Post from busy.org or staging.busy.org
• Add the tag "busy"
• Wait 32 minutes
• Make sure this page work for your account https://steemdb.com/api/accounts?account=fabien
• You need atm a minimum of 10K SP following you to get an upvote
  The amount of required SP following you continiusly updated, you can follow the last value here: https://github.com/busyorg/busy-robot/blob/master/events/vote.js#L14-L15
• You can get maximum 1 upvote every 12 hours.