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POST
Open a cloud browser session

Authorizations

Authorization
string
header
required

MCPJam API key (sk_…). Create one at Settings → API keys. Guest sessions cannot use the API, and API keys cannot manage other API keys.

Body

application/json
projectId
string
required
Required string length: 1 - 128
policy
object
required
runKey
string
Required string length: 1 - 128
profile
any

Response

Returns session identity, engine, bootId and runKey. Same runKey and policy reuse the session; omit runKey for a new isolated browser.

The response is of type object.