What are some alternative resources or methods for obtaining the necessary API keys and documentation for integrating the Amazon API with PHP?

To obtain the necessary API keys and documentation for integrating the Amazon API with PHP, you can visit the Amazon Developer portal and create an account. Once logged in, you can generate API keys for your application and access the documentation to understand how to make API calls.

// No specific PHP code snippet for obtaining API keys and documentation as it involves visiting the Amazon Developer portal and creating an account.