Unable to Make Successful Call for Listing Items

[dwassner]

I am making successful calls to Inventories and Sales, but continue to get the failed response below.

I have also tried this with removing the hyphens in 'sku'. I am using the 'merchant token' as the 'seller ID'.

Thank you for your help.

from sp_api.api import ListingsItems

listings = ListingsItems(credentials=credentials)
response = listings.get_listings_item(**{
        "marketplaceIds": ['ATVPDKIKX0DER'],
        'sellerId': merch_token,
        'sku': 'N9-DABP-SEWU'
    })

print(response)

Response:
Access to requested resource is denied.', 'code': 'Unauthorized