Top up wallet

curl --request POST \
  --url https://api.cloud.flexprice.io/v1/wallets/{id}/top-up \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "amount": 123,
  "credits_to_add": 123,
  "description": "<string>",
  "expiry_date_utc": "<string>",
  "idempotency_key": "<string>",
  "metadata": {},
  "priority": 123,
  "transaction_reason": "INVOICE_PAYMENT"
}'

{
  "alert_config": {
    "threshold": {
      "type": "<string>",
      "value": 123
    }
  },
  "alert_enabled": true,
  "alert_state": "<string>",
  "auto_topup_amount": 123,
  "auto_topup_min_balance": 123,
  "auto_topup_trigger": "disabled",
  "balance": 123,
  "config": {
    "allowed_price_types": [
      "ALL"
    ]
  },
  "conversion_rate": 123,
  "created_at": "<string>",
  "credit_balance": 123,
  "currency": "<string>",
  "customer_id": "<string>",
  "description": "<string>",
  "id": "<string>",
  "metadata": {},
  "name": "<string>",
  "updated_at": "<string>",
  "wallet_status": "active",
  "wallet_type": "PROMOTIONAL"
}