UPGRADING.md

UPGRADING

v4.0

• Many breaking changes.
• Update to PA-API v5
• Use official SDK
• Support Laravel5.8 and PHP7.1 again

https://webservices.amazon.com/paapi5/documentation/

config

Add host and region.
https://webservices.amazon.com/paapi5/documentation/common-request-parameters.html#host-and-region

return [
    'api_key'        => env('AMAZON_API_KEY', ''),
    'api_secret_key' => env('AMAZON_API_SECRET_KEY', ''),
    'associate_tag'  => env('AMAZON_ASSOCIATE_TAG', ''),
    'host'           => env('AMAZON_HOST', 'webservices.amazon.co.jp'),
    'region'         => env('AMAZON_REGION', 'us-west-2'),
];

.env

AMAZON_HOST=webservices.amazon.com
AMAZON_REGION=us-east-1

browse()

NewReleases is Deprecated.

TopSellers is not support yet.

New variations(string $asin, int $page = 1)

https://webservices.amazon.com/paapi5/documentation/get-variations.html

Response format changed

Check your code.