Assistant · Vendor site 2026-10-04
Lamby is a Rack adapter that runs Ruby on Rails applications on AWS Lambda. It converts Lambda integrations from Function URLs, API Gateway, and Application Load Balancers into Rack requests so Rails apps can run event-driven without a traditional web server process.
Rails teams on AWS who want to experiment with serverless deployments using familiar Rack and Lambda integrations.
You still manage AWS Lambda, Rails packaging, and surrounding AWS services; Lamby itself does not provide hosted infrastructure billing.
Lamby helps Rails developers run event-driven apps on AWS Lambda by bridging Lambda triggers to Rack so familiar Rails code can execute without a persistent web server.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Rack adapter | Homepage describes Lamby as a Rack adapter that converts AWS Lambda integrations into Rack objects for Rails. | Facts sourced | 2026-10-04 |
| Integrations | Site notes support for Function URLs, API Gateway HTTP or REST APIs, and Application Load Balancers. | Facts sourced | 2026-10-04 |
| Quick start | Marketing claims Rails on Lambda setup guidance in about five minutes via documented quick-start material. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Lamby is documented as an open integration library with quick-start guides and no published subscription pricing on the site.
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Explore toolThe practical questions
Lamby is a Rack adapter that runs Ruby on Rails applications on AWS Lambda. It converts Lambda integrations from Function URLs, API Gateway, and Application Load Balancers into Rack requests so Rails apps can run event-driven without a traditional web server process.
Lamby is documented as an open integration library with quick-start guides and no published subscription pricing on the site.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Not confirmed as a hosted API product; Lamby integrates Rails with AWS Lambda event sources through Rack.. API access and subscription access may have different terms; consult the linked sources.
You still manage AWS Lambda, Rails packaging, and surrounding AWS services; Lamby itself does not provide hosted infrastructure billing.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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