# Invalid JSON payload when trying to verify amazon sns

**URL:** <https://forum.mautic.org/t/invalid-json-payload-when-trying-to-verify-amazon-sns/24576>\
**Category:** Product Support\
**Created:** [June 24, 2022, 5:16am UTC](https://forum.mautic.org/t/invalid-json-payload-when-trying-to-verify-amazon-sns/24576 "2022-06-24T05:16:30Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![vscoder](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/vscoder/32/7918_2.png) [@vscoder](https://forum.mautic.org/u/vscoder)\
**Post date:** [June 24, 2022, 5:16am UTC](https://forum.mautic.org/t/invalid-json-payload-when-trying-to-verify-amazon-sns/24576/1 "2022-06-24T05:16:30Z")

</div>

**Your software**  
My Mautic version is: 4.3.1  
My PHP version is: 7.4.3  
My Database type and version is: 10.3.34-MariaDB-0ubuntu0.20.04.1 - Ubuntu 20.04

**Your problem**  
My problem is:  
I cannot verify the sns connection to my mautic installation. Everytime I try this error is logged into the Mautic logs.  
These errors are showing in the log:

```auto
[2022-06-24 04:02:15] mautic.ERROR: Uncaught PHP Exception Symfony\Component\HttpKernel\Exception\HttpException: "AmazonCallback: Invalid JSON Payload" at /var/www/clients/client1/web1/web/app/bundles/EmailBundle/Swiftmailer/Amazon/AmazonCallback.php line 53 {"exception":"[object] (Symfony\\Component\\HttpKernel\\Exception\\HttpException(code: 0): AmazonCallback: Invalid JSON Payload at /var/www/clients/client1/web1/web/app/bundles/EmailBundle/Swiftmailer/Amazon/AmazonCallback.php:53)"} {"hostname":"ubuntu-us-southeast","pid":290594}

```

Steps I have tried to fix the problem:

I have verified the json module is loaded in php.