Download OpenAPI specification:
Register a user
| username required | string\w{2,20} |
| password required | string >= 5 characters |
{- "username": "john",
- "password": "12345"
}{- "username": "john",
- "status": "ONLINE"
}[- {
- "id": "8be4df61-93ca-11d2-aa0d-00e098032b8c",
- "timestamp": "2026-05-01T12:00:00",
- "username": "john",
- "text": "Hello"
}, - {
- "id": "06637133-2230-472e-80fa-ba1c9661d0a7",
- "timestamp": "2026-05-01T12:05:00",
- "username": "mary",
- "text": "Hi"
}
]Post a message
Hello
{- "id": "8be4df61-93ca-11d2-aa0d-00e098032b8c",
- "timestamp": "2026-05-01T12:00:00",
- "username": "john",
- "text": "Hello"
}