Failed to load resource: the server responded with a status of 400 ()

I connect my Zencart to my Square Sandbox using Square_webpay plugin, when I try to make test transaction nothing appends, so I decide to check if there’s any error with CTRL+SHITF+J, I got the following error : Failed to load resource: the server responded with a status of 400 ()

connect.squareupsandbox.com/v2/analytics/verifications:1

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  1. AFFECTED RESOURCES
1. 2 cookies

2. 27 requests

  1. hydrate?applicationId=sandbox-sq0idb-6pAJT4X5mILOTVD4JwlVHw&hostname=www.pechesudv155.owally.com&locationId=EEYYZVNHZ5M56&version=1.54.9

frame.html?referer=https%3A%2F%2Fwww.pechesudv155.owally.com%2Findex.php%3Fmain_page%3Dcheckout_payment

Since this is with the Zencart integration I’d recommend reaching out to the for assistance. The one thing I did notice is that you have a sandbox application ID configured and a production location_id which is ML31PZ0FGC1KM. You won’t be able to with production values configured with a sandbox application ID. You’ll need to make sure that you have all sandbox credentials configured for testing in sandbox. :slightly_smiling_face:

Hi Bryan,

When I try to connect directly with the sandbox, zencart connect status is always yellow.

So what I did, I made the first connection with Production parameters, when connexion is established (green), I change the value of the OAuth for Sandbox parameters.

I didn’t found any documentation to connect Zencart webpay to Sanbox.

maybe you can help, because is bit complicated to understand how everything works

When I check inside API LOG I saw connexion, but square don’t want to turn on inside zencart