> For the complete documentation index, see [llms.txt](https://docs.facephi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facephi.com/docs.facephi-en/sdks/backend-sdk/voice/technical_documentation/api_reference/management/api-v1-version.md).

# /api/v1/version

Checks the Voice Service version.

```json
{"openapi":"3.0.1","info":{"title":"Voice-Service REST API","version":"3.2.0"},"servers":[{"url":"http://127.0.0.1:6982/"}],"security":[],"paths":{"/api/v1/version":{"get":{"description":"Checks the Voice Service version.","tags":["Management"],"responses":{"200":{"description":"A message with the version.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/VersionResult"}}}},"400":{"description":"The request contains incorrect parameters.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/BadRequestResult"}}}},"500":{"description":"An error occurred while calling the Voice-SDK backend.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ExceptionResult"}}}}}}}},"components":{"schemas":{"VersionResult":{"type":"object","description":"The result of a version check.","properties":{"message":{"type":"string"}}},"BadRequestResult":{"type":"object","description":"Result returned when the request contains incorrect parameters.","properties":{"status":{"type":"number"},"error":{"type":"string"},"timeStamp":{"$ref":"#/components/schemas/TimeStamp"}}},"TimeStamp":{"type":"string","description":"A date/time value in the format \"%Y-%m-%dT%H:%M:%SZ\"."},"ExceptionResult":{"type":"object","description":"An error occurred while calling the Voice-SDK backend.","properties":{"status":{"type":"number"},"error":{"type":"string"},"exception":{"type":"string"},"timeStamp":{"$ref":"#/components/schemas/TimeStamp"}}}}}}
```