Path parameters: All URL path parameters named id or ending in ID (e.g., networkID, deviceID) are validated as UUID format. Invalid — including empty — values return 400 Bad Request (an empty segment like /networks//evpn/instances never reaches a handler).
String length limits: Text inputs are validated on creation/update endpoints:
| Field type |
Max length |
| Names (name, username) |
255 characters |
| Display names |
255 characters |
| Descriptions |
2,000 characters |
WebSocket: Client subscribe messages limited to 4 KB.