Start Stripe Connect onboarding
Creates a Connect Express account when missing, then returns a hosted onboarding URL. Required before paid agent subscriptions can route creator share (80%) via transfer_data. Status updates via account.updated webhook.
Authorizations
User JWT access token issued by POST /api/auth/verify or POST /api/auth/social/verify. Routes that accept both auth modes declare api-key and bearer-jwt security schemes.
Headers
HMAC-SHA256 signature: HMAC-SHA256(secretKey, timestamp + METHOD + path + body). Optional -- when omitted, HMAC verification is skipped.
Request timestamp in epoch milliseconds. Required when x-signature is provided. Rejected if drift exceeds 5 minutes.