Kapso

open source

WhatsApp API platform with built-in inbox, observability, and AI agent workflows for developers

Updated 2026-03-17

Tool Ecosystems· 2,000 messages/month free tier; 95% cheaper than Twilio for paid plansVisit site

Kapso is a developer-focused WhatsApp Cloud API wrapper that reduces setup time from days to minutes and provides full webhook observability, multi-tenant capabilities, and workflow automation. Solo AI builders can use it to deploy WhatsApp agents, automate customer interactions, and build WhatsApp Flows mini-apps, all with 95% cost savings versus Twilio and a generous free tier.

Use Cases

·Deploy autonomous WhatsApp agents for customer support, lead qualification, or order handling
·Build multi-tenant WhatsApp platforms where customers self-connect their Meta accounts
·Debug WhatsApp webhook payloads and trace message delivery without custom tooling
·Automate deterministic workflows and AI-driven responses using the built-in workflow builder
·Create WhatsApp Flows mini-apps leveraging serverless functions and AI for interactive experiences

Key Points

·2-minute setup vs. days for raw WhatsApp Cloud API; eliminates repetitive boilerplate
·Full webhook observability: every event parsed, searchable, debuggable without custom infrastructure
·Multi-tenant SaaS-ready: customers generate setup links and authorize their own Meta accounts
·Integrated workflow builder for deterministic automations and AI agent orchestration
·WhatsApp Flows support: build interactive mini-apps inside WhatsApp using serverless + AI
·Open source TypeScript client, reference inbox implementation, and voice AI agent template
·Cost: 95% cheaper than Twilio; 4,000+ developers, organic growth, solo founder

Kapso

Use Cases

Key Points

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