Watzy APISend WhatsApp messages from your own server

A simple REST API to send text and template messages, listen to inbound events, and automate WhatsApp workflows — in minutes.

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API Key Auth

Generate your API key from your profile page and send it in the Authorization header. No OAuth dance required.

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Send plain text or pre-approved WhatsApp template messages to any phone number in one API call.

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Every outbound event is signed with HMAC-SHA256 so you can verify it came from Watzy.