Everything between
commit and customer.
Flags, rollouts, guardrails, agent traces and experiments — one runtime, one audit trail, one SDK.
Nine controls, one runtime.
Feature flags
Turn code paths on and off at runtime, per user, per region, per plan.
Learn more →Progressive rollouts
Move from 1% to 100% on a schedule, with a guardrail at every step.
Learn more →Auto-rollback
Rules that dial a change to 0% when a metric crosses a line.
Learn more →Agent traces
Every plan, tool call and response as a searchable span.
Learn more →Judges
Score live agent output for accuracy, tone, safety and cost.
Learn more →Approval gates
Risky agent actions wait for a person before they run.
Learn more →Experiments
Sequential A/B tests on any flag, with warehouse metrics.
Learn more →Audit log
Every change by humans and agents, signed and exportable.
Learn more →Edge evaluation
Flags evaluated in under 20 ms, close to your users.
Learn more →How it fits in your stack.
- Your codeSDK call · 40 ns
- →
- Rheostat edgerules · rollouts
- →
- Your metricswarehouse · APM
- →
- Decisionhold · ship · roll back