The primary member’s link is returned in primary_link for immediate use. Secondary members are emailed their links automatically. Ownership percentages must sum to 100, exactly one member must be primary, and exactly one must be is_responsible_party: true.
May require approval. If the user’s Account Kit gates verification.start,
an agent (API-key) call returns 202 { "status": "pending_approval", "approval_id" }
instead of starting KYC. A human approves it via
Approvals; KYC begins on replay. See
Approvals.