Unable to integrate Amozon into Home assistant,, OTP not recognized

How can I integrate Amazon into Home assistant and get correct OTP?

Can you please be more specific?
Amazon what? It's a big bunch of companies, devices, and software packages.

Alexa devices

Probably worth following the instructions linked on the integration page to the Amazon documentation on OTP.

Specifically:

https://www.amazon.com/gp/help/customer/display.html?nodeId=G9MX9LXNWXFKMJYU

If you already did that, more details of the issue would be helpful.

When configuring Amazon Two--Step Verification (2SV) Settings, ensure Authenticator App is the primary or preferred method.