# \RegionsApi
All URIs are relative to *http://localhost:4646/v1*
[**get_regions**](RegionsApi.md#get_regions) | **get** /regions | list all known regions
## get_regions
> Vec<String> get_regions(namespace, region, index, wait)
list all known regions
### Parameters
**namespace** | Option<**String**> | | |
**region** | Option<**String**> | Make a request across regions to the given region | |
**index** | Option<**i64**> | index used for blocking requests | |
**wait** | Option<**String**> | wait time used for blocking requests | |
### Return type
**Vec<String>**
### Authorization
No authorization required
### HTTP request headers
- **Content-Type**: Not defined
- **Accept**: application/json
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