Additionally I've set the ALEXA_VERIFY_APP_ID variable in my .env file.
After submitting the skill to Amazon I got this rejection:
The skill end-point is not accepting valid signed requests. Please make sure that your signature URL validation is correct. Please refer to our documentation on how to build your Alexa Skill as a web service and validate requests and signatures.
I've added the certificate middleware to the laravel global http middleware stack
Additionally I've set the ALEXA_VERIFY_APP_ID variable in my .env file.
After submitting the skill to Amazon I got this rejection:
Did I forgot something?