Email infrastructure
for AI Agents
Inboxes, OTPs, verification links, send and reply. One API.
Live Extractions
GitHub Verification
noreply@github.com
Stripe Onboarding
notifications@stripe.com
Credential Stored
github.com • bot@agentmailr.com
# Create an inbox
curl -X POST api.agentmailr.com/v1/inboxes
→ signup-bot@agentmailr.com
# Wait for the OTP (long-poll)
curl api.agentmailr.com/v1/inboxes/{id}/otp
→ { "code": "847291" }
# Store credential (encrypted)
curl -X POST api.agentmailr.com/v1/credentials
→ ✓ AES-256-GCM encrypted
# Send a reply
curl -X POST api.agentmailr.com/v1/inboxes/{id}/reply
→ ✓ sent via AWS SES
Try the Live Inbox API
We've provisioned a live, temporary AgentMailr inbox for your session right now. Send an email to the generated address below and watch it appear instantly.
This is a real email inbox just created for you.
Send it an email and see it show up in real time.
Everything your agent needs
to operate in the real world.
Inboxes, OTP extraction, send and reply, browser automation, encrypted credential vault. All through one API.
Inboxes API
Full CRUD operations. Instantly create temporary or persistent inboxes. Includes long-polling capabilities and dedicated endpoints for OTP retrieval.
Threads + Replies
Native support for email threading, replies, forwards, and complex multi-agent routing.
Realtime Events
Listen to incoming messages via robust webhooks. Track delivery logs and agent actions instantly.
Data Extraction
Automatically parse incoming emails to identify and extract OTPs, magic links, categories, and generate semantic summaries—delivering clean JSON directly to your agents.
Three steps. That's it.
Create an inbox
Your agent gets a real email address like signup-bot@agentmailr.com in exactly one API call.
Use it anywhere
Sign up for services, receive notifications, get verification emails — functioning perfectly in the wild.
Extract & act
OTP codes, links, and summaries are parsed automatically. Agents receive perfectly structured JSON data.
Works seamlessly with your stack
REST API
api.agentmailr.com
MCP Protocol
Claude Code, Cursor, Windsurf
TypeScript SDK
Coming soon
Python SDK
Coming soon
Pay for inboxes, not emails
Predictable pricing that scales with your autonomous workforce. Inbound emails are always free.
[ Free ]
Get started. No credit card required.
- 3 agent inboxes
- 500 emails received / month
- 100 emails sent / month
- OTP & verification link extraction
- MCP server access
- REST API access
[ Starter ]
For solo developers running automations.
- 10 agent inboxes
- 5,000 emails received / month
- 2,000 emails sent / month
- OTP & verification link extraction
- Webhooks
- Custom domains (MX, SPF, DKIM)
- MCP server access
[ Pro ]
For teams running multiple AI agents.
- 50 agent inboxes
- 25,000 emails received / month
- 10,000 emails sent / month
- Everything in Starter
- AI email categorization (BYOK)
- Thread routing
- Contact lists & marketing emails
[ Scale ]
For production AI pipelines at scale.
- 250 agent inboxes
- 100,000 emails received / month
- 50,000 emails sent / month
- Everything in Pro
- Priority support
- SLA guarantee
- Dedicated deliverability
Give your agents an email address
Start building powerful autonomous workflows today. Free to start, no credit card required.
Get Started Free