> ## Documentation Index
> Fetch the complete documentation index at: https://docs.runpulse.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SERVICE_UNAVAILABLE

> Service unavailable (503)

A service the request needs couldn't be reached.

| Status | Retryable | Title |
| - | - | - |
| `503` | Yes | Service unavailable |

## What to do

Retry with exponential backoff.

## Example

```json theme={null}
{
  "type": "https://docs.runpulse.com/errors/service-unavailable",
  "title": "Service unavailable",
  "status": 503,
  "instance": "urn:pulse:request:req-6f1c2a9e-3b7d-4c55-9a8e-2d4f0b1c7e93",
  "code": "SERVICE_UNAVAILABLE",
  "request_id": "req-6f1c2a9e-3b7d-4c55-9a8e-2d4f0b1c7e93",
  "retryable": true,
  "retry_after": 5
}
```

In API version 1 this was `GENERAL_002`, `PROC_003`, `STORAGE_003`.


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