Invalid_Client error while creating dwolla customer account in production enviroment

My account has been approved for production - and i want to create users who can send and receive funds?
but I am getting an error in production environment
"error": "invalid_client"

everything is going well in sandbox environment

Hi @Dhyan_Par – could you share the request details for us to take a look? Are you using on of our SDKs in your application to make calls to the API?

Also, I would check to make sure that you’re using the correct credentials in Production!