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Evolution API integration

Evolution API v2, the self-hosted WhatsApp gateway. Manage instances (create, connect through a QR code or pairing code, read connection state, log out, delete), send messages (text, media, location), check whether phone numbers are on WhatsApp, mark messages as read, query the stored chats, contacts and messages of an instance, create groups and manage their participants, and configure the webhook that pushes incoming events. Every call is scoped to a named instance, and the server is your own, so the host is part of the credential.

19 toolsAPI keyAPI docs

Common Evolution API use cases

  • sending a delivery address to a driver
  • delivering an invoice PDF over WhatsApp
  • moving an instance to a different phone number
  • decommissioning a sender that is no longer used
  • adding a colleague to an existing customer group
  • guarding a send step behind a connectivity check
  • notifying a customer on WhatsApp from a workflow
  • listing recent conversations to pick one to answer
  • re-pairing an instance whose session was logged out
  • discovering the instance name before sending a message

What you can do with Evolution API

Each of these is one operation on one endpoint, available both as a workflow step and as a tool an AI agent can call on its own. Nothing bundles several operations into one action, so what a run did stays readable afterwards.

Most endpoints run on the free plan. A few, mainly the ones that publish on your behalf, need a paid plan.

Instance, 6 operations

  • GETconnect_instance

    Issues a fresh pairing QR code for an instance that is not linked yet.

  • POSTcreate_instance

    Creates a named WhatsApp instance and returns the QR code needed to pair a phone.

  • DELETEdelete_instance

    Permanently removes an instance from the server.

  • GETget_connection_state

    Reports whether an instance is open, connecting or closed.

  • GETlist_instances

    Lists every instance on the server with its connection status.

  • DELETElogout_instance

    Logs the phone out of an instance while keeping the instance itself.

Message, 5 operations

  • POSTfind_messages

    Queries the instance's stored messages, newest first, in pages.

  • POSTmark_message_as_read

    Marks specific messages as read on the linked phone.

  • POSTsend_location

    Sends a map pin with optional place name and address.

  • POSTsend_media

    Sends a media message built from a public URL or base64 payload.

  • POSTsend_text

    Sends a text message from an instance to a number or a group.

Group, 3 operations

  • POSTcreate_group

    Creates a group and adds the given participants.

  • GETget_group_participants

    Lists a group's participants and which of them are administrators.

  • POSTupdate_group_participant

    Adds, removes, promotes or demotes participants of a group in one call.

Webhook, 2 operations

  • GETget_webhook

    Reads back an instance's webhook URL, enabled flag and event list.

  • POSTset_webhook

    Points an instance's events at a webhook URL and selects which events are sent.

Chat, 1 operation

  • POSTfind_chats

    Queries the instance's stored chats with a filter, a limit and an offset.

Contact, 1 operation

  • POSTfind_contacts

    Queries the instance's stored contacts with a filter and page controls.

Number, 1 operation

  • POSTcheck_whatsapp_numbers

    Tells you which of a list of phone numbers actually have WhatsApp.

Use Evolution API from Claude Code, Cursor or Codex

Connect Evolution API in LiveContext, create an API key in Settings, then add the LiveContext MCP server to your client. Its Evolution API operations become tools the client can call, next to every other integration you connected.

Claude Code
claude mcp add --transport http livecontext https://livecontext.ai/mcp --header "X-API-Key: YOUR_API_KEY"
Codex (~/.codex/config.toml)
[mcp_servers.livecontext]
url = "https://livecontext.ai/mcp"

[mcp_servers.livecontext.http_headers]
"X-API-Key" = "YOUR_API_KEY"
Cursor, Claude Desktop and other JSON configs
{
  "mcpServers": {
    "livecontext": {
      "type": "http",
      "url": "https://livecontext.ai/mcp",
      "headers": {
        "X-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Set up the MCP server step by step

How to connect Evolution API

  1. Create your workspace

    Sign up free. Nothing to install.

  2. Connect Evolution API once

    Add your Evolution API connection in Settings. Every tool from this integration reuses it, and secrets are encrypted at rest and visible only to you.

  3. Describe the job in chat

    The workflow builds itself in front of you and picks the endpoints it needs. Drag the steps yourself on the canvas whenever you would rather be explicit.

Evolution API integration FAQ

What can you do with the Evolution API integration?
LiveContext exposes 19 operations on Evolution API, covering instance, message, group and webhook. Common uses include sending a delivery address to a driver, delivering an invoice PDF over WhatsApp and moving an instance to a different phone number.

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