curl --request GET \
  --url https://api.paygentic.io/v0/payments/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "object": "payment",
  "amount": "<string>",
  "currency": "<string>",
  "status": "pending",
  "createdAt": "2023-11-07T05:31:56Z",
  "paymentUrl": "<string>",
  "customerId": "<string>",
  "idempotencyKey": "<string>",
  "reference": "<string>",
  "metadata": {},
  "lineItems": [
    {
      "description": "<string>",
      "amount": "<string>",
      "quantity": 123
    }
  ],
  "expiresAt": "2023-11-07T05:31:56Z"
}