Transfer-Refunds

Number of APIs: 4

1. Create a refund POST https://{{env_url}}/transfer/refund/create

2. Get a refund POST https://{{env_url}}/transfer/refund/get

3. Cancel a refund POST https://{{env_url}}/transfer/refund/cancel

4. (Sandbox) Simulate a refund event POST https://{{env_url}}/sandbox/transfer/refund/simulate