Mitigating signup spam spikes with LaunchDarkly and Twilio Verify in an ExpressJS app
Blog post from LaunchDarkly
This tutorial demonstrates how to build an ExpressJS demo app that combines Twilio Verify, a fraud verification API, with LaunchDarkly feature flags to toggle extra verification layers on during spam attacks. The app allows users to sign up and includes a signup flow where the user enters their phone number during signup and receives a verification code via SMS. A LaunchDarkly flag is added to conditionally enable SMS verification, allowing developers to adjust the signup process based on local conditions such as spam spikes.
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