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

# api.getExpireInstanceCache()

> Public low-code contract, signatures and examples for api.getExpireInstanceCache.

## `api.getExpireInstanceCache()`

Returns cache TTL in seconds, 0 for no expiry, or null when the key does not exist.

### Signature

```ts theme={null}
static getExpireInstanceCache(key: string): Promise<number | null>;
```

### Example

```ts theme={null}
const ttl = await api.getExpireInstanceCache('sync:state');
```

See [all api methods](https://docs.revoengine.com/low-code/reference/api.md) or [runtime basics](https://docs.revoengine.com/low-code/overview.md).


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