For developers
A clean email API, SMTP relay, API keys, logs, and webhooks that fit into the stack you already use.
INDIA-FIRST TRANSACTIONAL EMAIL
MailKakaYour trusted mail delivery partner
Send emails. Manage replies.
MailKaka helps you send OTPs, receipts, alerts, and customer messages from your own domain. Track delivery and handle replies in one simple inbox.
India-hosted infrastructureINR billingSigned webhooksCustom-domain inboxes
SEND, TRACK, AND REPLY
Every business email in one clean workflow.
Order confirmations, payment receipts, OTPs, and support replies stay connected from the first API call to the final customer response.
- Build branded customer emails without losing delivery visibility
- Track sent, delivered, bounced, and replied messages in one place
- Bring customer replies back into a shared team inbox
BUILT FOR EVERY ROLE
Create, send, and manage email together
For support teams
Shared custom-domain inboxes for customer replies, with labels, snooze, notes, signatures, and assignments.
For founders
India-hosted infrastructure, INR pricing, Razorpay billing, and clear domain authentication controls.
Shared inbox3 new
Priya Sharma
Re: Your order #MK-2048
Can I change the delivery address?2mAarav Mehta
Re: Payment receipt
Please add GST details.9mNisha Rao
Re: Login OTP
My old number is still listed.18mTRANSACTIONAL EMAIL + SHARED INBOXES
Every email your business sends, with a reply path.
Password resets, invoices, OTPs, order updates, onboarding emails - send them from your domain and let customers reply to a real team inbox.
- Track delivery, opens, clicks, bounces, and complaints
- Route replies into shared custom-domain mailboxes
- Keep support context beside the email that started it
EMAIL API AND SMTP RELAY
Integrate and start sending in minutes.
Use a familiar request shape, validate your API key, authenticate your domain, and stream delivery events back to your app.
REST API and SMTP relay Webhooks for real-time event tracking Sandbox-friendly setup before production
await fetch('https://www.mailkaka.in/api/emails', {
method: 'POST',
headers: {
Authorization: `Bearer ${process.env.MAILKAKA_API_KEY}`,
'Content-Type': 'application/json',
},
body: JSON.stringify({
from: 'hello@yourcompany.in',
to: ['customer@example.com'],
subject: 'Your order is confirmed',
html: '<strong>Shipped from India.</strong>',
}),
}); API online 200 OK
FEATURES THAT JUST WORK
Every tool your email operation needs to grow
Transactional email API
Send OTPs, invoices, receipts, password resets, and product notifications from your domain.
Reply-ready inboxes
Turn customer replies into shared team threads instead of sending from no-reply addresses.
Signed webhooks
Send delivery, bounce, complaint, open, and click events back to your application.
Domain authentication
Guided SPF, DKIM, and DMARC setup before production traffic moves.
Delivery logs
See what happened to every important email without waiting on support tickets.
Team workflow
Invite teammates, assign access, and keep mailbox work visible without mixing customer data.
Mailbox AI
Summarize long threads and ask focused questions on eligible plans.
Snooze and SLA
Bring conversations back at the right time and keep response promises visible.
BUILT FOR INDIAN BUSINESSES
Local billing, practical infrastructure, and fewer surprises.
MailKaka is shaped for teams that bill in INR, use Indian payment workflows, serve Indian customers, and still need dependable product email.
India-hosted infrastructure
Built close to your core market.
Razorpay billing
Simple subscriptions in INR.
Domain controls
SPF, DKIM, and DMARC guidance.
Operational guardrails
Quotas, suppressions, and abuse controls.
SIMPLE PRICING
Start free. Upgrade when the inbox matters.
Every plan includes a real shared mailbox and no fixed daily sending cap.
Free
Test the complete send-and-reply workflow.
₹0/month
- 3,000 transactional emails
- 1 domain
- 1 shared mailbox
- 2 team members
- 30-day retention
Starter
For small apps and side projects going live.
₹899/month
- 25,000 transactional emails
- 2 domains
- 1 shared mailbox
- 3 team members
- Delivery analytics
- No MailKaka footer
Send
For apps focused on transactional delivery.
₹1,499/month
- 50,000 transactional emails
- 3 domains
- Delivery logs
- Signed webhooks
- 5 GB storage
Inbox
For teams that want replies in one place.
₹2,499/month
- 5 shared mailboxes
- 10 team members
- Labels and snooze
- Custom signatures
- 90-day retention
Growth
For growing teams and multiple brands.
₹3,999/month
- 100,000 emails
- 10 domains
- 10 shared mailboxes
- Branded portal address
- AI mailbox credits
Scale
For high-volume senders and large support teams.
₹7,999/month
- 250,000 emails
- 25 domains
- 25 shared mailboxes
- 50 team members
- 365-day retention
- Priority SLA
Prices exclude GST. Annual billing includes two months free. Add-ons are available for extra mailboxes, teammates, and email volume.
COMMON QUESTIONS
Before you move your email.
What makes MailKaka different?
MailKaka connects transactional email with real shared inboxes, so the message your app sends and the reply your customer writes stay in one operational flow.
Where is the infrastructure hosted?
MailKaka is built around India-hosted email infrastructure for teams serving Indian customers, with INR plans and Razorpay billing.
Can I use only the sending API?
Yes. You can use the transactional API and webhooks without moving your existing mailbox provider.
Can customers reply to transactional emails?
Yes. With MailKaka mailboxes enabled, replies land in a shared team inbox on your custom domain.
START WITH ONE DOMAIN
Send the email. Keep the reply.
Create a free workspace, verify your domain, and test the full send-and-reply workflow.