# AWS Lambda Extensions API

**Canonical:** https://apis.io/apis/aws-lambda/aws-lambda-extensions-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/lambda-extensions.html

AWS Lambda Extensions 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 Extensions, Monitoring, Observability, and Serverless. The published artifact set on APIs.io includes API documentation, an API reference, and code examples.

The Lambda Extensions API enables you to create extensions that integrate with the Lambda execution environment lifecycle. Extensions can run as companion processes alongside your function, enabling use cases such as capturing diagnostic information, sending telemetry data, and integrating with monitoring and observability tools.

## Machine-readable artifacts (18)

- **Documentation** — https://docs.aws.amazon.com/lambda/latest/dg/lambda-extensions.html
- **APIReference** — https://docs.aws.amazon.com/lambda/latest/dg/runtimes-extensions-api.html
- **Partners** — https://docs.aws.amazon.com/lambda/latest/dg/extensions-api-partners.html
- **CodeExamples** — https://github.com/aws-samples/aws-lambda-extensions
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-alias-release-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-canary-traffic-shift-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-deploy-function-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-event-source-mapping-onboard-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-function-inventory-audit-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-function-teardown-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-function-url-expose-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-layer-discovery-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-provisioned-concurrency-warmup-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-publish-layer-attach-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-reserved-concurrency-guardrail-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-tag-function-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/aws-lambda/refs/heads/main/arazzo/aws-lambda-update-code-publish-version-workflow.yml

## Other AWS Lambda APIs (11)

- [AWS Lambda Telemetry API](https://apis.io/apis/aws-lambda/aws-lambda-telemetry-api/)
- [AWS Lambda Runtime API](https://apis.io/apis/aws-lambda/aws-lambda-runtime-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

Extensions, Monitoring, Observability, 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-extensions-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/aws-lambda/.