Authenticating a payment or sensitive action on an app.
If "nxsms code" refers to using Nexmo (Vonage) for SMS services in a .NET application, here's a basic example: nxsms code
Could be an API returning "nxsms_code" as an error or status field. Authenticating a payment or sensitive action on an app
Stay skeptical, stay secure, and now you are an expert on the NXSMS code. nxsms code