iZap puts an AI assistant on the WhatsApp number your customers already use. It answers, qualifies, books and sells 24/7, and hands off to a human when it should. Trusted by +600 businesses: clinics, beauty, restaurants, real estate. Train it on your agenda, menu or catalog in days. Use it inside ChatGPT and Claude to run WhatsApp in plain language. Official WhatsApp API. Free plan, paid from $19/mo.