title	drand documentation
description	The home page for developer documentation for drand, a distributed randomness beacon.
home	true
heroImage	images/logo-drand-text-bottom-dark.svg
heroAlt	drand logo
heroText	Distributed randomness beacon.
tagline	Verifiable, unpredictable and unbiased random numbers as a service.
features	title details actions HTTP API Get your randomness or chain information directly by sending HTTP `GET` requests to the drand JSON HTTP API. text link API docs /developer/http-api title details actions Client libraries Use drand client libraries to easily consume randomness from your applications, over HTTP, gRPC or libp2p PubSub. text link Go /developer/clients/#go- text link JS /developer/clients/#javascript--typescript-

Learn more

Billions of devices around the world use random numbers to keep computers secure and keep the internet open. High-grade random number generators need to be unpredictable, publicly verifiable, bias-resistant, decentralized, and always available. drand strives to meet all these criteria while keeping things simple and accessible. Find out more about how drand produces random numbers and how the team are making the project secure →

Get involved

The drand project is maintained by contributors from many different fields, companies, and research labs. If you'd like to contribute code, submit issues, improve documentation, or get the word out, find out how to get involved with the project →

Get in touch

For questions, comments, or to start a collaboration, please reach the drand team at: leagueofentropy [ at ] googlegroups.com or join the drand slack workspace to get the discussion going.

::: slot footer Apache 2.0 or MIT Licensed · Status · GitHub · Made with ❤️ by drand labs :::