The email API for developers
and AI agents

REST API — coming soon. Send over SMTP today; this preview shows the API that's shipping shortly.

curl -X POST https://api.mailertogo.com/api/v1/emails \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "you@yourdomain.com",
    "to": "user@example.com",
    "subject": "Hello from Mailer To Go",
    "html": "<p>You are up and running.</p>"
  }'

import requests

requests.post(
    "https://api.mailertogo.com/api/v1/emails",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "from": "you@yourdomain.com",
        "to": "user@example.com",
        "subject": "Hello from Mailer To Go",
        "html": "<p>You are up and running.</p>",
    },
)

fetch("https://api.mailertogo.com/api/v1/emails", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    from: "you@yourdomain.com",
    to: "user@example.com",
    subject: "Hello from Mailer To Go",
    html: "<p>You are up and running.</p>",
  }),
});

require "net/http"
require "json"

uri = URI("https://api.mailertogo.com/api/v1/emails")
req = Net::HTTP::Post.new(uri)
req["Authorization"] = "Bearer YOUR_API_KEY"
req["Content-Type"] = "application/json"
req.body = {
  from: "you@yourdomain.com",
  to: "user@example.com",
  subject: "Hello from Mailer To Go",
  html: "<p>You are up and running.</p>"
}.to_json

Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(req) }