Creates (or reuses) a Stripe Connect Express account for the project
and returns a Stripe-hosted onboarding URL. After the user completes
onboarding, they’re sent to return_url. If they bail mid-flow,
Stripe sends them to refresh_url to restart.
Documentation Index
Fetch the complete documentation index at: https://docs.neuraldraft.io/llms.txt
Use this file to discover all available pages before exploring further.
Project API key. Pass as Authorization: Bearer ndsk_live_.... Manage
keys via /projects/me/api-keys. Test-mode keys use
the ndsk_test_ prefix.