Mailly logo Mailly.in
From idea to inbox ✉️ Mail infrastructure for modern apps

Ship email like a pro, without becoming an email engineer.

Mailly is a developer-first email platform for transactional and marketing email. Plug in via SMTP or APIs, keep your domains warm, and get clear visibility into every send.

Avg. delivery time

< 3 seconds

Uptime

99.9%

Emails / month

1B+ ready

Sending from

no-reply@mailly.in

Live
POST /v1/email/send HTTP/1.1
Host: api.mailly.in
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "to": "user@example.com",
  "subject": "Welcome to Mailly",
  "template_id": "welcome-basic"
}

1 request. Delivered to thousands of inboxes.

Built for developers, loved by product teams.

Simple APIs & SDKs

Drop-in REST APIs and SMTP so you can go from idea to inbox in minutes.

Real-time Analytics

Track opens, clicks, bounces, and spam reports with clear dashboards and webhooks.

Deliverability First

Warmup tools, domain reputation insights, and best practices baked in by default.

Blazing Fast Delivery

Optimised infrastructure so your OTPs, alerts and receipts land in seconds.

From signup to production in three steps.

  1. 1

    Create your Mailly account

    Sign up, choose a plan, and generate your first API key from the dashboard.

  2. 2

    Verify your sending domain

    Add DNS records for SPF and DKIM. We’ll guide you through domain warmup to keep your reputation healthy.

  3. 3

    Plug into your app and start sending

    Use our SMTP credentials or REST APIs in Node, Python, PHP, Java and more. Track every event in real time.

OTP & login emails Invoices & receipts Product updates

Today’s email performance

Updated a few seconds ago

Sent

24,582

Open rate

46%

Bounce

0.3%

Visualise performance by campaign, template, or environment.

Pricing that scales with you.

Start free. Upgrade when you’re ready to send at scale.

All plans include DKIM/SPF guidance, bounce handling, and real-time dashboards.

Starter

For side projects, prototypes and early-stage MVPs.

Free

Includes 10,000 emails / month

  • REST & SMTP access
  • 1 sending domain
  • Basic analytics
  • Community support
Most popular

Growth

For growing products sending critical transactional email.

₹2,499 /month

Includes 100,000 emails / month

  • Up to 5 sending domains
  • Advanced analytics & webhooks
  • Dedicated IP warmup assistant
  • Priority email support

Scale

For large-scale platforms and sensitive workloads.

Talk to us

Includes 1M+ emails / month

  • Custom volumes & pricing
  • Dedicated IPs & SRE support
  • Account manager
  • Deliverability consulting

Frequently asked questions

Still not sure if Mailly is right for you? Here are some answers.