How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Serverless Computing Platforms5.9#5 of 19
AWS Lambda is a serverless compute service that runs code in response to events and manages the underlying compute resources.

Pricing
- AWS Lambda Functions — Free TierMonthly usage allowance · 1 million requests/month · 400,000 GB-seconds/monthFree
- AWS Lambda Functions — On-Demand$0.20 per million requests; execution duration priced separately by GB-second, memory, and architecture · 128 MB–10,240 MB memory · 1 MB increments · Additional charges may apply for other AWS services and data transfer$0.20/mo
- AWS Lambda MicroVMsCompute billed per second while running, plus snapshot operations and storage; data transfer billed at standard AWS rates · Baseline memory-configured compute · Up to 4× baseline capacity · Snapshots retained for at least 1 weekOn request
As aws.amazon.com lists them, checked 29 Sept 2026.