# AWS Lambda Runtime API

**Canonical:** https://apis.io/apis/aws-lambda/aws-lambda-runtime-api/  
**Provider:** AWS Lambda — https://apis.io/providers/aws-lambda/  
**Base URL:** https://lambda.{region}.amazonaws.com  
**Documentation:** https://docs.aws.amazon.com/lambda/latest/dg/runtimes-api.html

AWS Lambda Runtime API is one of 12 APIs that [AWS Lambda](https://apis.io/providers/aws-lambda/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Custom Runtime, Functions, Runtime, and Serverless. The published artifact set on APIs.io includes API documentation and an API reference.

The Lambda Runtime API enables you to use custom runtimes to run functions in any programming language. The runtime API provides an HTTP API for custom runtimes to receive invocation events from Lambda and send response data back within the Lambda execution environment.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html
- **APIReference** — https://docs.aws.amazon.com/lambda/latest/dg/runtimes-api.html

## Other AWS Lambda APIs (11)

- [AWS Lambda Extensions API](https://apis.io/apis/aws-lambda/aws-lambda-extensions-api/)
- [AWS Lambda Telemetry API](https://apis.io/apis/aws-lambda/aws-lambda-telemetry-api/)
- [AWS Lambda Logs API](https://apis.io/apis/aws-lambda/aws-lambda-logs-api/)
- [AWS Lambda Aliases API](https://apis.io/apis/aws-lambda/aws-lambda-aliases-api/)
- [AWS Lambda Concurrency API](https://apis.io/apis/aws-lambda/aws-lambda-concurrency-api/)
- [AWS Lambda Event Source Mappings API](https://apis.io/apis/aws-lambda/aws-lambda-event-source-mappings-api/)
- [AWS Lambda Function URL API](https://apis.io/apis/aws-lambda/aws-lambda-function-url-api/)
- [AWS Lambda Functions API](https://apis.io/apis/aws-lambda/aws-lambda-functions-api/)
- [AWS Lambda Layers API](https://apis.io/apis/aws-lambda/aws-lambda-layers-api/)
- [AWS Lambda Tags API](https://apis.io/apis/aws-lambda/aws-lambda-tags-api/)
- [AWS Lambda Versions API](https://apis.io/apis/aws-lambda/aws-lambda-versions-api/)

## Tags

Custom Runtime, Functions, Runtime, Serverless

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/aws-lambda/aws-lambda-runtime-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/aws-lambda/.