curl --location --request POST '/v3/api/business/reseller/bookings/spa/sess_abc123def456/confirm' \
--header 'Idempotency-Key: 550e8400-e29b-41d4-a716-446655440000' \
--header 'Authorization: Bearer <token>'{
"object": "booking",
"id": "booking_2a4f8e1b3c5d9f7a",
"status": "PENDING",
"type": "spa",
"service_name": "Deep Tissue Massage, Aromatherapy",
"provider_name": "Zen Wellness Spa",
"date": "2026-05-10",
"time": "14:00",
"scheduled_for": 1746878400,
"created": 1746700000,
"message": "Appointment booked successfully"
}