> ## Documentation Index
> Fetch the complete documentation index at: https://cortex-foundation-add13747-droid-1a2462c9-cor-444-sanitize.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# no_capacity

> No capacity for this model right now. HTTP 503.

# `no_capacity`

|           |                                                       |
| --------- | ----------------------------------------------------- |
| HTTP      | `503`                                                 |
| `code`    | `no_capacity`                                         |
| `type`    | `https://docs.cortex.foundation/problems/no_capacity` |
| Retryable | yes                                                   |

Every inference backend for the requested model is unhealthy or circuit-broken. Operational, not a code defect.

```json theme={null}
{
  "type": "https://docs.cortex.foundation/problems/no_capacity",
  "title": "No capacity for this model right now",
  "status": 503,
  "code": "no_capacity",
  "request_id": "req_…"
}
```

See [Errors](/api/errors) for how to branch, and what not to render from `detail`.