`send`

Pack: postmark · Endpoint: https://gateway.pipeworx.io/postmark/mcp

Send a single email.

Parameters

Name	Type	Required
`from`	string	yes
`to`	string	yes
`subject`	string	no
`htmlbody`	string	no
`textbody`	string	no
`tag`	string	no
`replyto`	string	no
`cc`	string	no
`bcc`	string	no
`headers`	array	no
`trackopens`	boolean	no
`trackLinks`	string	no
`messagestream`	string	no

Example call

Arguments

{
  "from": "[email protected]",
  "to": "[email protected]",
  "subject": "Welcome to our service",
  "htmlbody": "<html><body><p>Hello!</p></body></html>",
  "textbody": "Hello!"
}

curl

curl -X POST https://gateway.pipeworx.io/postmark/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"send","arguments":{"from":"[email protected]","to":"[email protected]","subject":"Welcome to our service","htmlbody":"<html><body><p>Hello!</p></body></html>","textbody":"Hello!"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('send', {
  "from": "[email protected]",
  "to": "[email protected]",
  "subject": "Welcome to our service",
  "htmlbody": "<html><body><p>Hello!</p></body></html>",
  "textbody": "Hello!"
});

More examples

{
  "from": "[email protected]",
  "to": "[email protected]",
  "subject": "Order confirmation",
  "htmlbody": "<html><body><p>Your order has been confirmed.</p></body></html>",
  "textbody": "Your order has been confirmed.",
  "tag": "order-confirmation",
  "replyto": "[email protected]",
  "trackopens": true,
  "trackLinks": "HtmlAndText"
}

Response shape

Field	Type	Description
`To`	string	Recipient email address
`SubmittedAt`	string	ISO timestamp when email was submitted
`MessageID`	string	Unique message identifier
`ErrorCode`	integer	Error code if submission failed
`Message`	string	Status or error message

Full JSON Schema

{
  "type": "object",
  "properties": {
    "To": {
      "type": "string",
      "description": "Recipient email address"
    },
    "SubmittedAt": {
      "type": "string",
      "description": "ISO timestamp when email was submitted"
    },
    "MessageID": {
      "type": "string",
      "description": "Unique message identifier"
    },
    "ErrorCode": {
      "type": "integer",
      "description": "Error code if submission failed"
    },
    "Message": {
      "type": "string",
      "description": "Status or error message"
    }
  }
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "postmark": {
      "url": "https://gateway.pipeworx.io/postmark/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

send