Learn how to use our simplest interface to fetch true
random numbers into your mobile app or web app. This is a good
section to read, even if you want ultimately to write a
more sophisticated client.
Prerequisites: Fundamentals, API Keys
The Signed API extends our Basic API by digitally signing the random data, such
that you can prove it really came from RANDOM.ORG (authenticity) and that your application has not tampered with it
(integrity). This is useful if you want your
application to implement non-repudiation.
Prerequisites: Fundamentals, API Keys, Basic API
The Third-Party Draw Service is our flagship service for drawings and lotteries.
It supports up to 3,000,000 entries and 50,000 winners and has many privacy options to show your drawings are fair and unbiased with maximum flexibility and transparency.
Prerequisites: Fundamentals, Authentication