WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API

Here’s a scenario every product team knows too well. A user lands on your app, fills in their details, hits **”Send OTP”** — and then just… waits. Ten seconds. Twenty. Forty-five. The code never comes. They refresh. Request again. Nothing. And then they leave. Not because your product failed them. Because your verification channel did.Continue reading "WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API"