Response Test IPN

[Xav_Deslandes]

Hi !

I have a problem with IPN simulator and the listener.

The code is good (fully copy from paypal). 

When I try the IPN Simulator I get a green light but the response is always INVALID.

I use this in sandbox environment. (no production)

I need some help 🙂

Thank you in advance !

Best Regards,

Xav.