post https://api.sandbox.rainforestpay.com/v1/payins
Create and process a payin with sensitive PCI data using a payin configuration. The merchant status must be ACTIVE to create a payin.
This endpoint requires Rainforest approval. Platforms that meet all requirements and are approved by Rainforest can send the full card and bank account numbers to Rainforest via a server-to-serve direct API integration.