The Third-Party Draw Service is for people who operate raffles, sweepstakes, promotional giveaways and other lottery type services professionally. In a similar fashion to a certified official, RANDOM.ORG acts as an unbiased third party who conducts the drawings in a manner that is guaranteed to be fair and truly random. The drawings are made using true randomness that comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
Each drawing costs a fee, which will be deducted from your account credit balance when the draw is completed. You can hold test draws for free. (To do this, begin a new drawing and choose test in step 2.)