Responsive SDK
Predictable pricing that fits every need.
Get access to the full Responsive SDK with uniquely predictable pricing that's based on event volume. The SDK is the fastest and easiest way to upgrade the reliability and scalability of your stateful Kafka Streams applications.
Team
The simplest way to fix unpredictable Kafka Streams application lag.
$20/month
+ 10¢/M origin events in excess of 5B
Unlimited apps with Responsive SDK
Self-managed MongoDB support
Self-managed Cassandra support
Async processing & TTL
Community support via discord
Includes 5B monthly origin events
Estimate your price
$20/month
Up to 2.6B origin events per month
(about 1000 origin events/s)
10¢ per million origin events beyond 5B
What are origin events?
Origin events are the first events that enter Kafka. Derived events are created when your application filters, joins or aggregates origin events. Responsive will only count and bill on origin events.

Metronome relies on Responsive for availability at scale.
99.999%
Uptime Since Onboarding
3x
Max Throughput Growth
100s
Engineering Hours Saved