{"store_id":"xxx","api_token":"xxxx","checkout_id":"xxx","txn_total":"50.00","environment":"qa","action":"preload","language":"fr"}
{"response" : {"success":"false","error":{"field":"credentials","message":"invalid data"}}}
I did take the credentials from my developer account and from the test site for the MRC.
What does this error mean?
In reply to RamiY: