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MCP

Give your agent SMTP2GO tools

Every SMTP2GO action is exposed as an MCP tool on Pipedream's remote server. Point a client at it with your end user's ID and Connect resolves that user's SMTP2GO account for each tool call — you store no tokens.

Pipedream Connect

// accessToken: mint a short-lived token with the Connect SDK — see the MCP guide
const transport = new StreamableHTTPClientTransport(
  new URL("https://remote.mcp.pipedream.net/v3"),
  {
    requestInit: {
      headers: {
        Authorization: `Bearer ${accessToken}`,
        "x-pd-project-id": "{project_id}",
        "x-pd-environment": "production",
        "x-pd-external-user-id": "{external_user_id}", // any stable ID for this user in your system
        "x-pd-app-slug": "smtp2go",
      },
    },
  },
)

const mcp = new Client({ name: "my-agent", version: "1.0.0" })
await mcp.connect(transport)

const { tools } = await mcp.listTools()

// e.g. run Send Single Email:
const result = await mcp.callTool({
  name: "smtp2go-send-single-email",
  arguments: {
    subject: "Subject",
    htmlBody: "HTML Body",
  },
})

# access_token: mint a short-lived token with the Connect SDK — see the MCP guide
headers = {
    "Authorization": f"Bearer {access_token}",
    "x-pd-project-id": "{project_id}",
    "x-pd-environment": "production",
    "x-pd-external-user-id": "{external_user_id}",  # any stable ID for this user in your system
    "x-pd-app-slug": "smtp2go",
}

async with streamablehttp_client("https://remote.mcp.pipedream.net/v3", headers=headers) as (read, write, _):
    async with ClientSession(read, write) as session:
        await session.initialize()
        tools = await session.list_tools()

        # e.g. run Send Single Email:
        result = await session.call_tool("smtp2go-send-single-email", {
            "subject": "Subject",
            "htmlBody": "HTML Body",
        })

MCP guide →

API PROXY

Call the SMTP2GO API directly

For an endpoint with no pre-built tool, the Connect proxy forwards your request to the SMTP2GO API with the connected user's credentials attached. You store no tokens and write no refresh logic.

Pipedream Connect

const resp = await pd.proxy.get({
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  accountId: "apn_xxxxxxx",
  url: "https://api.smtp2go.com/v3/domain/view",
})

// Any allowed SMTP2GO endpoint works here. Pipedream attaches the
// connected account's credentials to the outgoing request.

# The path segment is the target URL, URL-safe base64 encoded:
# https://api.smtp2go.com/v3/domain/view

curl "https://api.pipedream.com/v1/connect/{project_id}/proxy/aHR0cHM6Ly9hcGkuc210cDJnby5jb20vdjMvZG9tYWluL3ZpZXc?external_user_id={external_user_id}&account_id=apn_xxxxxxx" \
  -H "Authorization: Bearer {access_token}" \
  -H "x-pd-environment: production"

API proxy guide →

SDK

Run SMTP2GO actions from your backend

Connect a user's SMTP2GO account once, then run Send Single Email on their behalf from your own code — TypeScript, Python, or plain HTTP.

Pipedream Connect

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "smtp2go-send-single-email",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    smtp2go: { authProvisionId: "apn_xxxxxxx" },
    subject: "Subject",
    htmlBody: "HTML Body",
  },
})

from pipedream import Pipedream

pd = Pipedream(
    client_id="{oauth_client_id}",
    client_secret="{oauth_client_secret}",
    project_id="{project_id}",
    project_environment="production",
)

result = pd.actions.run(
    id="smtp2go-send-single-email",
    external_user_id="{external_user_id}",  # any stable ID for this user in your system
    configured_props={
        "smtp2go": {"authProvisionId": "apn_xxxxxxx"},
        "subject": "Subject",
        "htmlBody": "HTML Body",
    },
)

curl -X POST https://api.pipedream.com/v1/connect/{project_id}/actions/run \
  -H "Content-Type: application/json" \
  -H "X-PD-Environment: production" \
  -H "Authorization: Bearer {access_token}" \
  -d '{
    "external_user_id": "{external_user_id}",
    "id": "smtp2go-send-single-email",
    "configured_props": {
      "smtp2go": { "authProvisionId": "apn_xxxxxxx" },
      "subject": "Subject",
      "htmlBody": "HTML Body"
    }
  }'