
I built an open-source WhatsApp Business inbox for teams — here's how
The problem If you've ever tried integrating WhatsApp Business API for customer support, you know the pain: Meta's verification process, webhook configuration, message template management, media handling, real-time updates... and then you need a UI for your team to actually use it. The existing options are either expensive SaaS platforms or closed-source tools you can't customize. I wanted something self-hosted, open-source, and easy to deploy. So I built Tercela . What is Tercela? Tercela is an open-source omnichannel platform for customer communication. Right now it supports WhatsApp — you connect your WhatsApp Business account and get a shared inbox where your team can manage all conversations. Features Shared inbox — all WhatsApp conversations in one place Real-time messaging — messages appear instantly via WebSocket Message templates — create, edit, and sync templates with Meta Contact management — centralized contact database Agent assignment — route conversations to team members
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