ThreatListPro API v4.0 - Stripe Only Customer Endpoints: POST /create-checkout-session - Create Stripe checkout POST /register-customer - Register after payment GET /v1/{api_key}/blocklist.txt - Get blocklist GET /v1/{api_key}/status - Check status Admin Endpoints (require auth): GET /admin/customers - List all customers POST /admin/revoke - Revoke customer access POST /admin/delete - Delete customer (permanent) GET /admin/usage - View usage analytics Support: support@threatlistpro.com