Agent-readable docs index: /llms.txt. Full docs in one file: /llms-full.txt. Download /docs.zip to grep all markdown files locally.

Create Exec Session

Start a long-running command as a session. Attach via WebSocket to stream I/O.
path idstringrequired
Sandbox ID
body cmdstringrequired
Command to execute
body argsstring[]
Command arguments
body envsobject
Environment variables
body cwdstring
Working directory
body timeoutinteger
Timeout in seconds
body maxRunAfterDisconnectinteger
Seconds to keep running after all clients disconnect
Response example
{
  "sessionID": "es-abc123",
  "sandboxID": "sb-abc123",
  "command": "node",
  "args": ["server.js"],
  "running": true,
  "exitCode": null,
  "startedAt": "2025-01-15T10:30:00Z",
  "attachedClients": 0
}