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Ultra Msg

Ultra Msg is a WhatsApp API service that allows users to send and receive WhatsApp messages, manage contacts and groups, and automate WhatsApp workflows. This integration allows you to programmatically send text, pictures, documents and other media types of messages through WhatsApp.

Overview

Ultra Msg gives your bots 5 tools. Paste your own Ultra Msg API key once. It is stored encrypted and only your workspace uses it.

Plans and limits

  1. FreeNot included
  2. MCP only ($9/mo)2,000 calls a month
  3. Pro20,000 calls a month
  4. Max20,000 calls a month
How calls are counted

Calls are shared by every catalog app in the workspace. Past the monthly number they keep working from AI credits at $0.90 per 1,000 calls; the count resets on the 1st (UTC) and a retried call counts once.

Ultra Msg questions

How do I connect Ultra Msg to Krypton?

Open Integrations in Krypton, find Ultra Msg and choose Connect, then paste your API key. Every bot in the workspace can then use it, and you choose which bots get which apps.

Which plan includes Ultra Msg?

MCP only with 2,000 calls a month, Pro and Max with 20,000. Calls are shared by every catalog app in the workspace. Past the monthly number they keep working from AI credits at $0.90 per 1,000 calls; the count resets on the 1st (UTC) and a retried call counts once.

Can I use Ultra Msg from Claude or Cursor?

Yes. Connect it in your workspace, then add https://mcp.krypton.bot as a streamable HTTP MCP server with your kmcp_ workspace key. Calls count toward the same monthly number.

Tools

5 tools your bot can call in Ultra Msg. It asks before anything hard to undo.

  • Get all groupsRetrieves all WhatsApp groups associated with the UltraMsg instance, including group ID, name
  • Get contactsRetrieves the list of contacts associated with the specified UltraMsg instance
  • Get group idsRetrieves a list of all WhatsApp group IDs associated with the specified UltraMsg instance
  • Get messages by statusRetrieves a list of messages for a given UltraMsg instance
  • Send chat messageSends a text message to a phone number or group via UltraMsg WhatsApp API. The message body…
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