How can we help
you ship today?

Quickstart

Your first flag in five minutes.

Install an SDK
Create a flag
Roll out to 5%

SDKs

Node, Python, Go, Java, Ruby, Rust.

Node SDK
Python SDK
Go SDK

Rollouts

Schedules, guardrails and rollback rules.

Schedules
Guardrails
Rollback rules

Agents

Traces, judges and approval gates.

Tracing an agent
Writing a judge
Approval gates

Experiments

Sequential tests on any flag.

Metrics
Running a test
Reading results

API reference

Every endpoint, with runnable examples.

Authentication
Flags API
Runs API

Five minutes to your first rollout.

Install

$ npm i @rheostat/node

Create a flag

$ rh flag create new-checkout

Roll out

$ rh rollout new-checkout 5%

Still stuck?

Community

9,800 developers on Discord, maintainers included.

Join the Discord

Support

Email and chat, first reply within a business day.

Contact support

Status

Live uptime and incident history for every region.

View status

How can we help you ship today?