UltraMsg

UltraMsg is a WhatsApp Business API provider. It allows businesses to send and receive messages, automate workflows, and integrate WhatsApp with other applications. Developers use it to build custom WhatsApp integrations for marketing, customer support, and notifications.

Official docs: https://ultramsg.com/api/

UltraMsg Overview

• WhatsApp Message
  • Media
• Chat
• UltraMsg Instance

When to use which actions: Use action names and parameters as needed.

Working with UltraMsg

This skill uses the Membrane CLI to interact with UltraMsg. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth plumbing.