# Kapso > Kapso is the WhatsApp API for developers. Use Kapso to send and receive WhatsApp messages, manage webhooks, onboard customer-owned WhatsApp numbers, build WhatsApp Flows, run workflows, and let AI agents operate WhatsApp through CLI, MCP, SDKs, and APIs. ## Start here - Website: https://kapso.ai - WhatsApp AI agent: https://kapso.ai/whatsapp-ai-agent - WhatsApp webhooks: https://kapso.ai/whatsapp-webhooks - WhatsApp API for developers: https://kapso.ai/whatsapp-api-for-developers - Connect customer WhatsApp: https://kapso.ai/connect-customer-whatsapp - WhatsApp MCP server: https://kapso.ai/whatsapp-mcp-server - WhatsApp CLI: https://kapso.ai/whatsapp-cli - WhatsApp Chat SDK: https://kapso.ai/whatsapp-chat-sdk - WhatsApp Codex: https://kapso.ai/whatsapp-codex - WhatsApp Claude Code: https://kapso.ai/whatsapp-claude-code - WhatsApp OpenClaw: https://kapso.ai/whatsapp-openclaw - WhatsApp Hermes Agent: https://kapso.ai/whatsapp-hermes-agent - Twilio alternative for WhatsApp: https://kapso.ai/twilio-alternative-for-whatsapp - WhatsApp human handoff: https://kapso.ai/whatsapp-human-handoff - Docs: https://docs.kapso.ai - Build with AI: https://docs.kapso.ai/docs/build-with-ai - Kapso WhatsApp MCP: https://docs.kapso.ai/docs/whatsapp/mcp - TypeScript SDK: https://docs.kapso.ai/docs/whatsapp/typescript-sdk/introduction - CLI: https://docs.kapso.ai/docs/whatsapp/cli - Chat SDK: https://docs.kapso.ai/docs/whatsapp/chat-sdk - OpenClaw: https://docs.kapso.ai/docs/whatsapp/openclaw - Hermes Agent: https://docs.kapso.ai/docs/whatsapp/hermes-agent - WhatsApp API overview: https://docs.kapso.ai/api/meta/whatsapp/whatsapp-api-overview - Platform API overview: https://docs.kapso.ai/api/platform/v1/platform-api-overview ## Common agent tasks - Send a WhatsApp message from TypeScript or the API. - Configure webhooks and inspect delivery logs. - Connect Kapso WhatsApp MCP with a project API key for live WhatsApp operations. - Use the Kapso CLI for terminal-based WhatsApp operations. - Connect Chat SDK, Codex, Claude Code, OpenClaw, or Hermes Agent to WhatsApp with Kapso. - Create a customer setup link for a customer-owned WhatsApp number. - Build a WhatsApp Flow with a data endpoint. - Debug failed messages, templates, webhooks, and WhatsApp onboarding. ## Canonical facts - Kapso is developer-first WhatsApp infrastructure. - Kapso supports messages, templates, webhooks, contacts, conversations, customers, setup links, phone numbers, broadcasts, workflows, serverless functions, and WhatsApp Flows. - Use Kapso WhatsApp MCP for live WhatsApp operations. - Use the CLI when the agent has shell access. - Never expose project API keys or send production WhatsApp messages without explicit human approval. ## Blog posts - [Kapso is an official Chat SDK Adapter](https://kapso.ai/blog/chat-sdk-adapter): Kapso’s Chat SDK adapter lets developers build WhatsApp agents with one TypeScript handler, signed Kapso webhooks, native buttons, media attachments, reactions, outbound DMs, and Kapso-backed conversation history. - [10,000 developers](https://kapso.ai/blog/10k-developers): Two months ago, we hit 5,000 developers. Today, Kapso just crossed 10,000. - [Product updates Feb 12, 2026](https://kapso.ai/blog/product-updates-feb-12): Kapso Playbooks, GPT-5.2, and more control over WhatsApp workflows - [5,000 developers](https://kapso.ai/blog/5000-developers): I'm excited to share that Kapso just reached 5,000 developers from all over the world. # Kapso sitemap ## Public pages - [Kapso](https://kapso.ai/): WhatsApp for developers. - [Pricing](https://kapso.ai/pricing): Simple WhatsApp API pricing for developers and platforms. - [Platform](https://kapso.ai/platform): Customer-owned WhatsApp onboarding, setup links, APIs, webhooks, and inbox workflows. - [WhatsApp AI Agent](https://kapso.ai/whatsapp-ai-agent): Build WhatsApp AI agents with the official API, webhooks, MCP, workflows, and human handoff. - [WhatsApp Webhooks](https://kapso.ai/whatsapp-webhooks): Receive WhatsApp messages, delivery statuses, conversation events, and workflow handoffs with Kapso webhooks. - [WhatsApp API for Developers](https://kapso.ai/whatsapp-api-for-developers): Send and receive WhatsApp messages with Kapso APIs, webhooks, CLI, MCP, templates, and workflows. - [Connect Customer WhatsApp](https://kapso.ai/connect-customer-whatsapp): Let each customer connect their own WhatsApp Business account with setup links, platform APIs, webhooks, and inbox workflows. - [WhatsApp MCP Server](https://kapso.ai/whatsapp-mcp-server): Use Kapso WhatsApp MCP to let AI agents operate WhatsApp numbers, messages, conversations, templates, webhooks, customers, and setup links. - [WhatsApp CLI](https://kapso.ai/whatsapp-cli): Manage WhatsApp numbers, messages, templates, webhooks, setup links, and workflows from the terminal with the Kapso CLI. - [WhatsApp Chat SDK](https://kapso.ai/whatsapp-chat-sdk): Build WhatsApp agents with Chat SDK and the Kapso adapter for webhooks, threaded replies, buttons, media, and conversation history. - [WhatsApp Codex](https://kapso.ai/whatsapp-codex): Connect Codex to Kapso WhatsApp MCP or the Kapso CLI for WhatsApp numbers, messages, conversations, templates, webhooks, and setup links. - [WhatsApp Claude Code](https://kapso.ai/whatsapp-claude-code): Connect Claude Code to Kapso WhatsApp MCP for WhatsApp numbers, messages, conversations, templates, webhooks, and setup links. - [WhatsApp OpenClaw](https://kapso.ai/whatsapp-openclaw): Connect OpenClaw agents to WhatsApp with the Kapso OpenClaw plugin, sender numbers, webhooks, allowlists, and diagnostics. - [WhatsApp Hermes Agent](https://kapso.ai/whatsapp-hermes-agent): Connect Hermes Agent to WhatsApp with the Kapso Hermes Agent plugin, webhooks, MessageEvents, sender numbers, media, and STT support. - [Twilio Alternative for WhatsApp](https://kapso.ai/twilio-alternative-for-whatsapp): Evaluate Kapso as a WhatsApp-focused alternative for developer teams that need APIs, webhooks, MCP, workflows, setup links, and inbox handoff. - [WhatsApp Human Handoff](https://kapso.ai/whatsapp-human-handoff): Route WhatsApp AI agents and workflows to human agents with handoff nodes, inbox ownership, context, and conversation history. - [Blog](https://kapso.ai/blog): Product updates, guides, and engineering notes from Kapso. - [WhatsApp Groups API waitlist](https://kapso.ai/whatsapp-groups): Join the waitlist for Kapso WhatsApp Groups API access. - [Careers](https://kapso.ai/careers): Open roles at Kapso. - [Privacy](https://kapso.ai/privacy): Kapso privacy policy. - [llms.txt](https://kapso.ai/llms.txt): Curated Kapso context for AI agents and LLM clients. - [llms-full.txt](https://kapso.ai/llms-full.txt): Extended Kapso public context for AI agents and LLM clients. - [AGENTS.md](https://kapso.ai/AGENTS.md): Public instructions for coding agents using Kapso. - [sitemap.md](https://kapso.ai/sitemap.md): Markdown sitemap for Kapso public pages.