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Lambda Kata is a high-performance runtime that removes cold starts and stabilizes p95, p99 latency for Node.js Lambda functions. Predictable performance for mission-critical serverless workloads.
Overview
Lambda Kata is an infrastructure-level runtime for Node.js on AWS Lambda that eliminates the most damaging source of unpredictability in serverless: cold starts and noisy tail latency. It replaces the default execution path with a highly optimized runtime so that functions execute with stable p95/p99 behavior under real production load, even as traffic patterns change. The product is delivered as a managed Lambda Layer and an integration library for CDK and other deployment frameworks. Teams keep their existing Node.js code and APIs, while Lambda Kata takes responsibility for the underlying execution characteristics reducing latency spikes, improving user experience, and making Lambda a safe foundation for mission-critical services.
Highlights
- Cloud financial management platforms rely on accurate, timely calculations and reports that often run on event-driven, micro-batch, or API-driven workloads in the cloud. Lambda Kata makes Node.js Lambda functions more deterministic and efficient, reducing billed duration and smoothing latency so cost analytics, allocations, and chargeback models are based on stable, predictable execution rather than noisy infrastructure behavior.
- Real-time market data systems depend on low-latency, highly predictable processing of quotes, trades, and signals, where p95/p99 behavior is just as important as average response time. Lambda Kata stabilizes Node.js Lambda execution under bursty, real-world load, helping trading, pricing, and risk services ingest and react to market data with consistent tail latencies, fewer cold-start surprises, and stronger SLA compliance.
- IT and platform teams are under pressure to reduce spend while keeping performance and reliability intact, especially in serverless environments where costs are tightly coupled to execution time. Lambda Kata reduces waste in Node.js Lambda functions by optimizing initialization and execution paths, cutting billed milliseconds and taming unpredictable spikes, so organizations can run the same workloads with lower spend and more confidence in their cost models.
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Dimension | Description | Cost/request |
|---|---|---|
Lambda Kata Invocations | Price per AWS Lambda invocation processed by Lambda Kata. | $0.0000054 |
Dimensions summary
Lambda Kata uses a single usage-based pricing dimension. You pay per AWS Lambda invocation that Lambda Kata processes. There are no tiers, instance sizes, or fixed commitments. Your cost scales directly with how many Lambda invocations run through the product. The more invocations you process, the more you pay; fewer invocations mean a smaller bill. This keeps billing tied to actual activity rather than a flat subscription. Any underlying AWS service usage in your own account is billed separately by AWS at standard rates.
Top-of-mind questions for buyers
One invocation is a single AWS Lambda function execution that Lambda Kata processes. Each time your optimized Node.js function runs, that call counts once. The meter tracks how many of these invocations pass through the product, and your charge scales with that count.
No. You pay only per invocation that Lambda Kata processes. When your functions sit idle and receive no calls, no invocations register, so no software charges accrue. Costs follow actual function activity, not provisioned time or standby state.
No. Lambda Kata charges only per invocation it processes. Any AWS service usage in your own account, including the underlying Lambda execution and related resources, is billed separately by AWS at standard rates. These appear on your AWS bill, not as part of the product charge.
lambdakata.com
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Vendor refund policy
We provide refunds or service credits in cases of proven technical malfunction of Lambda Kata or incorrect billing caused by our service, for the affected usage period only. Early-stage evaluation refunds may be granted at our discretion within a limited time window. To request a refund, contact support at support@lambdakata.com with your AWS account ID and usage details.
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Software as a Service (SaaS)
SaaS delivers cloud-based software applications directly to customers over the internet. You can access these applications through a subscription model. You will pay recurring monthly usage fees through your AWS bill, while AWS handles deployment and infrastructure management, ensuring scalability, reliability, and seamless integration with other AWS services.
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Support
Vendor support
Support for Lambda Kata is provided directly by the engineering team behind the product. Customers can contact us via email at support@lambdakata.com and through our support portal at https://lambdakata.com/support . We offer business-hours support (Monday-Friday) with prioritized handling for production issues and latency-related incidents, including guidance on integration, configuration, performance analysis, and best practices for Node.js on AWS Lambda.
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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