Top-ups

Number of APIs: 5

1. Create a top-up POST {{baseUrl}}/v1/topups

2. List all top-ups GET {{baseUrl}}/v1/topups

3. Cancel a top-up POST {{baseUrl}}/v1/topups/:topup/cancel

4. Retrieve a top-up GET {{baseUrl}}/v1/topups/:topup

5. Update a top-up POST {{baseUrl}}/v1/topups/:topup