> For the complete documentation index, see [llms.txt](https://docs.defguard.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.defguard.net/for-developers/rest-api/core/device/update-a-device.md).

# Update a device

`wireguard_pubkey` has to be different from the public key of the location.

```json
{"openapi":"3.1.0","info":{"title":"defguard Core API","version":"2.0.3"},"tags":[{"name":"device","description":"User devices and their WireGuard configuration."}],"security":[{"cookie":[]},{"api_token":[]}],"components":{"securitySchemes":{"cookie":{"type":"apiKey","in":"cookie","name":"defguard_session"},"api_token":{"type":"http","scheme":"bearer"}},"schemas":{"ModifyDevice":{"type":"object","required":["name","wireguard_pubkey"],"properties":{"description":{"type":["string","null"]},"name":{"type":"string"},"wireguard_pubkey":{"type":"string"}}},"Device":{"type":"object","required":["id","name","wireguard_pubkey","user_id","created","device_type","configured"],"properties":{"configured":{"type":"boolean","description":"Whether the device is ready to use. Unconfigured devices are not sent to the gateway.\nSuch a device is already added to all its networks, but is still missing something,\nfor example its public key."},"created":{"type":"string","format":"date-time"},"description":{"type":["string","null"]},"device_type":{"$ref":"#/components/schemas/DeviceType"},"id":{"type":"integer","format":"int64"},"name":{"type":"string"},"user_id":{"$ref":"#/components/schemas/i64"},"wireguard_pubkey":{"type":"string"}}},"DeviceType":{"type":"string","enum":["user","network"]},"i64":{"type":"integer","format":"int64"},"ApiErrorResponse":{"type":"object","description":"Body returned with error responses.","required":["msg"],"properties":{"code":{"type":["string","null"],"description":"Machine-readable error code, returned for selected errors."},"msg":{"type":"string","description":"Human-readable error message."}}}}},"paths":{"/api/v1/device/{device_id}":{"put":{"tags":["device"],"summary":"Update a device","description":"`wireguard_pubkey` has to be different from the public key of the location.","operationId":"modify_device","parameters":[{"name":"device_id","in":"path","description":"ID of the device.","required":true,"schema":{"type":"integer","format":"int64"}}],"requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/ModifyDevice"}}},"required":true},"responses":{"200":{"description":"Device updated.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Device"}}}},"400":{"description":"No networks are configured, or the public key belongs to a location.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"401":{"description":"Session is missing or invalid.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"403":{"description":"Requires admin privileges or the request must target your own account.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"404":{"description":"Device not found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}},"500":{"description":"Unable to update device.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ApiErrorResponse"}}}}}}}}}
```