Creates a new browser session with the specified configuration. Returns a session ID used for all subsequent operations.
Browserbase API key for authentication
Browserbase project ID
API key for the AI model provider (OpenAI, Anthropic, etc.)
Whether to stream the response via SSE
true, false "true"
ISO timestamp when request was sent
"2025-01-15T10:30:00Z"
Model name to use for AI operations
"gpt-4o"
Timeout in ms to wait for DOM to settle
5000
Logging verbosity level (0=quiet, 1=normal, 2=debug)
0, 1, 2 1
Custom system prompt for AI operations
Enable self-healing for failed actions
true
Existing Browserbase session ID to resume
Wait for captcha solves (deprecated, v2 only)
Timeout in ms for act operations (deprecated, v2 only)