amplify passwordless sms authentication
This is your passwordless SMS authentication solution for AWS. It uses Amazon Cognito user pools custom auth challenge with AWS Lambda triggers as shown in this diagram.
If you are interested in passwordless email authentication
Deploy the backend through the Serverless Application Repository as outlined in /backend.
Once you deploy this backend via the Serverless Application Repository, you can setup the provided web client (Angular) or iOS app to demonstrate sign-up and sign-in of users, using only their phone number.
This sample code is made available under a modified MIT license. See the LICENSE file.