microsandbox cloud is in private beta; the API is available to organizations with access.
Base URL
Authentication
Authenticate every request with an organization API key (msb_...) as a bearer token. Keys are created in the dashboard. The key identifies your organization; no org identifier appears in these paths.
Errors
Errors return anerror object with a stable machine-readable code, a human-readable message, and optional structured details:
Pagination
List endpoints use cursor pagination. Passlimit to size the page and cursor to continue from a previous response:
?cursor=<next_cursor>; has_more: false means you have everything.