# Subscription update is less than charge limit

A subscription update must result in a transaction balance which is above the lower limit of 70 cent USD

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "subscription_update_transaction_balance_less_than_charge_limit",
    "detail": "Unable to charge for Subscription update: Transaction balance is less than what we can charge. Transaction balance: 50, Minimum payment amount: 70, Currency code: USD",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_update_transaction_balance_less_than_charge_limit"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 400 |
| Error code | `subscription_update_transaction_balance_less_than_charge_limit` |
| Error message | Unable to charge for Subscription update: %s |

## Common causes

- Sum of the updates to the Subscription is less than 70 cent USD
- A discount has lowered the total to less than 70 cent USD but greater than 0
- Available credits have lowered the balance to less than 70 cent USD but greater than 0

## Common solutions

- For a subscription update transaction to be ready it must have a chargeable amount greater than 70 cent USD
- If the request had a proration_billing_mode of *_immediately you can retry with *_next_billing_period to defer the charge to the renewal instead
- If the request had a proration_billing_mode of prorated_* you can retry with full_* to charge the full amount instead