Zavu is a unified messaging API and agent runtime for developers and AI agents. Send and receive on WhatsApp, SMS, voice, email, Telegram, Instagram and Messenger through one integration, one webhook contract and one bill. Leave the channel on auto and Zavu routes by cost and deliverability, with fallback. Official SDKs for TypeScript, Python, Ruby, Go and PHP, a CLI, an MCP server and coding-agent skills. Free plan with no credit card.

Zavu

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