View on GitHub


🛵 The stylish Node.js middleware engine for AWS Lambda

Middy sts middleware

Middy logo

STS middleware for the middy framework, the stylish Node.js middleware engine for AWS Lambda

npm version Known Vulnerabilities Standard Code Style Chat on Gitter

Fetches STS credentials to be used when connecting to other AWS services.


To install this middleware you can use NPM:

npm install --save @middy/sts



Sample usage

import middy from '@middy/core'
import sts from '@middy/sts'

const handler = middy((event, context) => {
  const response = {
    statusCode: 200,
    headers: {},
    body: JSON.stringify({ message: 'hello world' })

  return response

    fetchData: {
      assumeRole: {
        RoleArn: '...',
        RoleSessionName:'' // optional

Middy documentation and examples

For more documentation and examples, refers to the main Middy monorepo on GitHub or Middy official website.


Everyone is very welcome to contribute to this repository. Feel free to raise issues or to submit Pull Requests.


Licensed under MIT License. Copyright (c) 2017-2021 Luciano Mammino, will Farrell, and the Middy team.

FOSSA Status