Can't access Wix Coupons API

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1

I’m trying to access the wix coupons API - https://www.wixapis.com/stores/v2/coupons - but I keep getting an unauthorised message.

I’m using postman to test, and have created an API key, with ‘Store Permissions’.

I get the following error message:

{
“message”: “Coupons App is not installed or unauthorized”,
“details”: {
“applicationError”: {
“code”: “UNAUTHORIZED”,
“description”: “Coupons App is not installed or unauthorized”
}
}
}

Coupons is not an app that I need to install, from what I understand, it’s built into the standard Wix platform.

Any help would be useful

2

The coupons API requires an app instance which in your case is Wix Stores. I would take a look at the docs here Introduction | REST

These are the valid scopes Valid Scope Values | REST

And these docs will show you how to get app instance Introduction | REST