Error:
[2024-04-19 11:57:51] local.ERROR: Invalid checksum {“exception”:”[object] (Exception(code: 0): Invalid checksum at C:\\xampp\\htdocs\\blog\\vendor\\anandsiddharth\\laravel-paytm-wallet\\src\\Providers\\PaytmWalletProvider.php:51)
Introduction: When Paytm is integrated into your application, you may occasionally see the typical error “Checksum provided is invalid.” Ensuring data security and integrity throughout transactions depends heavily on this error. Using sample code, this blog post will walk you through locating and fixing this mistake.
Understanding Checksum:
When Paytm is integrated into your application, you may occasionally see the typical error “Checksum provided is invalid.” Ensuring data security and integrity throughout transactions depends heavily on this error. Using sample code, this blog post will walk you through locating and fixing this mistake.
Solutions:
Incorrect Merchant Key:Make sure the merchant key you used in your checksum generating script matches the one Paytm sent you.
Parameter Mismatch: Make sure all parameters used during the checksum generation on your server match those sent to Paytm.
Outdated SDK/Library: Regularly update your Paytm SDK or library to the latest version to avoid compatibility issues.
Code Implementation: Here’s how you might implement checksum validation in your server-side code:
