# `UNAVAILABLE` Unavailable

Source: https://checkslip.com/en/problems/unavailable

- **HTTP status**: `503`
- **Credit**: No credit taken

## Meaning

No definite answer from the banking system right now. No credit is taken. Retry after Retry-After.

## Fix

Wait the Retry-After seconds, then send again with the same Idempotency-Key.

## Example response

```
{
  "type": "https://checkslip.com/problems/unavailable",
  "title": "Unavailable",
  "status": 503,
  "code": "UNAVAILABLE",
  "instance": "/api/slips/0192d4e0-7c1a-7b3e-9f00-1a2b3c4d5e6f"
}
```