How to Integrate with Authorize.net Contact your Customer Success Manager and have the Bolt team set Authorize.net as your Payment Processor before getting started. 1. Obtain your Merchant ID & Transaction Key Follow the official Authorize.net instructions here to obtain your Merchant ID and Transaction Key. These will be added to your Bolt merchant account. 2. Link Authorize.net to Bolt Login to the Bolt Merchant Dashboard. Navigate to Settings > Payments.