Whether WWA certification is necessary?

"Work with Alexa" certification is not required, and Alexa can be used to control Tuya devices without certification. The function is not affected. However, the benefits of passing the certification are: 1. The product packaging can Apply for authorization to add the "work with Alexa" label; 2. When selling in the Amazon official online store, the "work with Alexa" label will be added to the product information; 3. The product may Get priority recommendation on Amazon website; 4. Users are more trusted and will choose this product to buy first. You can communicate with Amazon mail, Apply for a license, and promote it after passing. You can refer to the URL: https://developer.amazon.com/public/solutions/alexa/alexa-voice-service/content/marketing-brand-guidelines. For details, please refer to: What is the benefit of getting work with Alexa certification?