What AI says about SendZen

SendZen provides the WhatsApp API for developers to send utility, marketing, and authentication messages on the official WhatsApp platform, with support for WhatsApp Business App numbers, embedded signup, and Voice API, plus webhook support for delivery, read receipts, and inbound messages. The platform emphasizes a frictionless developer experience with intuitive SDKs (Node.js, Python, and more), predictable webhooks, and real-time logs to reduce integration time. It also offers direct API access and a white-label toolkit for platforms and SaaS partners, enabling self-serve onboarding and scalable infrastructure capable of handling millions of messages daily, including automated opt-in management.