1. Create Customer (POST /v1/customers)
   └── Status: not_started

2. Initiate KYC (POST /v1/customers/{id}/kyc)
   └── Status: pending_verification
   └── Returns: verificationUrl

3. Customer Completes Verification
   └── Visits verificationUrl
   └── Uploads ID document
   └── Completes selfie/liveness check

4. Automatic Review
   └── Status: under_review

5. Approval/Rejection
   └── Status: approved OR rejected

1. Standard KYC Completed
   └── Status: approved (with limitations) OR under_review

2. Enhanced Documents Required
   └── Status changes to: under_review
   └── Compliance team notified

3. Customer Notification
   └── Email sent to customer's registered email
   └── Request for additional documents:
       - Proof of address
       - Proof of funds

4. Document Submission
   └── Customer responds to compliance email
   └── Documents reviewed by compliance team

5. Final Decision
   └── Status: approved (full access) OR rejected

{
  "type": "customer.verification_changed",
  "data": {
    "customerId": "cus_abc123",
    "customerType": "individual",
    "verificationStatus": "approved",
    "previousStatus": "pending"
  },
  "createdAt": 1704067200000
}