Explore the Power of the Platform



What's New


Access new and modified RelativityOne functionality every month.

See what's new

Platform change log

RSAPI Deprecation Process

Deprecated functionality

Developer Basics


Get up to speed on the basics to building custom apps in Relativity.

get started

Download SDK and NuGet Packages

Environment Setup

Basic REST API Concepts

Relativity APIs


Relativity provides a rich set of APIs you can use to enhance its functionality.

learn more

REST API

Relativity Services

Other APIs

Build applications


Start tailoring Relativity to meet your unique business needs.

start building

Relativity Objects

Customize Workflows

Build Agents

Relativity App Hub


See the apps and integrations the Relativity community has already built.

visit the site

Developer Experience


Work with our DevEx team to successfully build and market your custom apps.

meet the team

Additional Resources

DevHelp Community GitHub Release Notes NuGet

Share knowledge with the Relativity developer community.

Access tools and resources to build an application.

Review the most recent product release notes.

Create .NET Apps faster with NuGet.