Email inboxes
for AI agents.

Give your AI agents their own email addresses. Send, receive, and respond to emails programmatically through a simple API.

Why Jasni

Not another inbox.
Email infrastructure for agents.

Traditional inbox tools are built for humans: mixed threads, unpredictable state, no way to track what's been handled. Jasni treats email as first-class structured data, built from the ground up for automated workflows.

Traditional inbox tools

Mixed threads impossible to parse programmatically

Unpredictable state with no way to know what's handled

Tied to individual human accounts and credentials

Easy to burn domains with naive automation

Built for agents
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Jasni

Clean, structured threads you can reason about

Explicit state & metadata for every email

Scalable identities, not tied to human accounts

Safe automation patterns that protect your domains

Structured Icon

Structured Data

Every email is clean JSON. Threads, metadata, and attachments, all queryable.

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Explicit State

Track what's read, replied, or pending. Your agents always know the status.

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Scalable Identity

Spin up inboxes on demand. No OAuth tokens or human account limits.

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Safe Automation

Built-in protections keep your domains and sender reputation safe.

How it works

Three steps to email-enabled agents

Inbox Icon

Create an inbox

Get a dedicated email address for your agent. Use our domain or bring your own.

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Set up webhooks

Receive instant notifications when emails arrive. We'll send you the full content.

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Send responses

Use our API to send replies, forwards, or new emails. It's just one API call.

Simple API

Built for developers

A clean REST API that gets out of your way. Send emails, receive webhooks, and manage inboxes with just a few lines of code.

Circle Check IconRESTful API with JSON
Circle Check IconWebhooks with HMAC signatures
Circle Check IconFull email content with attachments
agent.py

Features

Everything your agents need

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Dedicated Inboxes

Each agent gets its own email address. No shared inboxes, no confusion.

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Real-time Webhooks

Get notified instantly when emails arrive. Sub-second delivery.

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Custom Domains

Use your own domain for a professional look. Simple DNS setup.

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Attachments

Send and receive attachments. PDFs, images, and documents are all supported.

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Secure by Default

TLS encryption, SPF, DKIM, and DMARC configured automatically.

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Labels & Threads

Organize emails with labels. Keep conversations threaded.

Model Context Protocol

Works with your
favorite AI tools

Our MCP server lets any AI assistant manage emails directly. Connect once, and your AI can read, send, and organize emails without writing code.

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Just ask your AI to "check my emails"

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18 tools for complete inbox control

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Works with any MCP-compatible client

Compatible with

Claude DesktopCursorWindsurfCline+ more
mcp.json

Then just ask

"Show me my unread emails"

"Reply to John saying I'll be there at 3pm"

"Send a follow-up to the sales team"

18 tools for complete inbox management

Inbox Icon
list_emails
Send Icon
send_email
reply_email
Email Icon
get_email
Search Icon
search_emails
Trash Icon
delete_email
Draft Icon
save_draft
Label Icon
manage_labels
Profile Icon
list_accounts
Plus Icon
create_account
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webhooks
+6
more tools

Use cases

Built for AI workflows

Customer Support

AI Support Agents

Build agents that handle customer inquiries 24/7. Classify tickets, route to the right team, and respond automatically.

Sales

Lead Qualification

Let AI agents qualify leads via email. Schedule demos, answer questions, and nurture prospects automatically.

Automation

Workflow Triggers

Trigger workflows from emails. Create tasks, update CRMs, sync to databases, or kick off any automation.

Personal AI

Email Assistants

Create personal AI assistants that manage schedules, draft responses, and handle routine emails.

Pricing

Simple, transparent pricing

Start free, scale as you grow. No hidden fees, no surprises.

Free

For getting started

$0/month
  • Circle Check IconNo credit card required
  • Circle Check Icon2 inboxes
  • Circle Check Icon2,000 emails/month
  • Circle Check Icon2 GB storage

Starter

For individual developers

$15/month
  • Circle Check Icon20 inboxes
  • Circle Check Icon20,000 emails/month
  • Circle Check Icon20 GB storage
  • Circle Check Icon20 custom domains
  • Circle Check IconEmail support
Most Popular

Pro

For scaling teams

$150/month
  • Circle Check Icon300 inboxes
  • Circle Check Icon300,000 emails/month
  • Circle Check Icon300 GB storage
  • Circle Check Icon300 custom domains
  • Circle Check IconDedicated IPs
  • Circle Check IconSOC 2 report
  • Circle Check IconSlack channel support

All plans include API access, webhook support, and automatic email authentication (SPF, DKIM, DMARC).

Ready to build?

Create your first inbox in under a minute. No credit card required.