AWS Lambda

AWS Lambda Versions API

Publish and manage immutable function versions

GitHub OpenAPI

Operations 6

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /2015-03-31/functions/{FunctionName}/versions Publish an immutable version of a function · Aws Lambda Publish a Version #
Ask an LLM
“How do I snapshot my function's current code and configuration as a version?”
“Can I make sure I only publish the code I tested by checking its hash?”
Tell an agent
Publish a new version of function {function}.
Publish {function} as a version described as {description}, only if its code hash is {sha}.
GET /2015-03-31/functions/{FunctionName}/versions List a function's published versions · Aws Lambda List Function Versions #
Ask an LLM
“Which versions of my Lambda function have been published?”
“How many versions come back per page when listing a function's versions?”
Tell an agent
List the published versions of function {function}.
List versions of {function}, {max} at a time.
DELETE /2018-10-31/layers/{LayerName}/versions/{VersionNumber} Delete Layer Version #
GET /2018-10-31/layers/{LayerName}/versions/{VersionNumber} Get Layer Version #
POST /2018-10-31/layers/{LayerName}/versions Publish Layer Version #
GET /2018-10-31/layers/{LayerName}/versions List Layer Versions #

Documentation

📖
Documentation
https://docs.aws.amazon.com/lambda/latest/dg/welcome.html
📖
APIReference
https://docs.aws.amazon.com/lambda/latest/api/welcome.html
📖
GettingStarted
https://aws.amazon.com/lambda/getting-started/
📖
RateLimits
https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-limits.html
📖
BestPractices
https://docs.aws.amazon.com/lambda/latest/dg/best-practices.html
📖
Troubleshooting
https://docs.aws.amazon.com/lambda/latest/dg/troubleshooting-deployment.html

Specifications

⚙
OpenAPI
https://artifacts.apis.io/aws-lambda/openapi/aws-lambda-versions-api-openapi.yml
⚙
AsyncAPI
https://artifacts.apis.io/aws-lambda/asyncapi/aws-lambda-event-triggers-asyncapi.yml

Code Examples

💻
CodeExamples
https://docs.aws.amazon.com/lambda/latest/dg/service_code_examples.html

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/aws-lambda/json-schema/aws-lambda-function-schema.json

Other Resources

🔗
JSONLD
https://artifacts.apis.io/aws-lambda/json-ld/aws-lambda-context.jsonld
🔗
Pricing
https://aws.amazon.com/lambda/pricing/
🔗
SDKs
https://aws.amazon.com/tools/
🔗
Console
https://console.aws.amazon.com/lambda/
🔗
StatusPage
https://health.aws.amazon.com/health/status
🔗
Security
https://docs.aws.amazon.com/lambda/latest/dg/lambda-security.html
🔗
Tutorials
https://aws.amazon.com/lambda/resources/
🔗
CLI
https://docs.aws.amazon.com/cli/latest/reference/lambda/
🔗
Versioning
https://docs.aws.amazon.com/lambda/latest/dg/configuration-versions.html

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/aws-lambda:aws-lambda-versions-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

aws-lambda-versions-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Aws Lambda Versions API
  version: '2015-03-31'
  description: 'Operations tagged Versions across 2 of this provider''s published API definitions: aws-lambda-api-openapi.yml, aws-lambda-versions-api-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://lambda.{region}.amazonaws.com
  description: AWS Lambda Regional Endpoint
  variables:
    region:
      description: The AWS region for the Lambda service endpoint
      default: us-east-1
      enum:
      - us-east-1
      - us-east-2
      - us-west-1
      - us-west-2
      - eu-west-1
      - eu-west-2
      - eu-west-3
      - eu-central-1
      - eu-north-1
      - ap-southeast-1
      - ap-southeast-2
      - ap-northeast-1
      - ap-northeast-2
      - ap-south-1
      - sa-east-1
      - ca-central-1
security:
- sigv4: []
tags:


# --- truncated at 32 KB (47 KB total) ---
# Full source: https://artifacts.apis.io/aws-lambda/openapi/aws-lambda-versions-api-openapi.yml