About
AgentMail offers an email inbox API for AI agents, allowing them to programmatically create and manage their own email inboxes similar to how humans use Gmail. Their service enables AI agents to send, receive, and process emails in real-time, including handling attachments and supporting custom domains. AgentMail is built for scale and reliability, serving AI companies and developers who need email capabilities for their agents.
Key facts
At-a-glance profile data
- Website
- agentmail.to
- Headquarters
- San Francisco, United States
- Founded
- 2023
- Employees
- 8
- Total funding
- $8M (Seed)
- Business model
- B2B
AgentMail pricing
| Plan | Price | Includes |
|---|---|---|
| Free | $0 / month | 3 inboxes, 3,000 emails per month, 3 GB storage |
| Developer | $20 / month | 10 inboxes, 10,000 emails per month, 10 GB storage |
| Startup | $200 / month | 150 inboxes, 150 custom domains, 10 organization seats |
| Enterprise | Custom | Unlimited inboxes available, Bulk discounts, White-label platform |
Yearly billing saves 20 percent. Add-ons are $2 per month per inbox or domain and $2 per month per 1,000 emails.
Plans as published by AgentMail, checked September 2026. Current prices on agentmail.to
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 10 Mar 2026 | Seed | $6M | - |
| 1 Sept 2023 | Seed | $2M | Y Combinator |
Tech stack
Detected on agentmail.to, last scanned 21 Sept 2026. Run your own scan
- Frontend
- Next.js, Tailwind CSS
- Analytics
- Google Analytics 4, Google Tag Manager
- CMS / Builders
- Ghost
- CDN
- Vercel
- Status page
- BetterStack
- DevOps
- Canny
“Anybody using Agentmail.to with their HermesAgent?. I'm trying to use agentmail.to for my agent to send and receive email. The problem is that it consistently forgets how to use the tool. It works less than half the time.”
View on Reddit“Hey everyone! I'm a founder of AgentMail a YCS25 company that gives AI agents their own email inboxes. Recently we ran an experiment: agent(.)email - a landing page and signup flow designed for AI agents instead of humans.”
View on Reddit“Here are some of the companies building for AI agents: AgentMail — agents can have email accounts AgentPhone — agents can have phone numbers Kapso — agents can have WhatsApp numbers Daytona / E2B — agents can have their own computers monid.…”
View on Reddit“Needed EU alternative to AgentMail.... Finally, the EU tech has been having a moment. OpenClaw launched, autonomous agents are finally becoming real products, and for once it feels like we're not just making copy cats of US but actually pro…”
View on Reddit“So I built AgentMailr — a simple API that gives each AI agent its own dedicated email inbox. How it works: - Call the API to create an inbox for your agent - Agent gets a unique email address it fully owns - Send emails via REST API - Recei…”
View on RedditSome comments are pulled from public discussions around the web (look for the source icon). Quotes are excerpts; click through to read the full thread.
Frequently asked
How much funding has AgentMail raised?
AgentMail has raised a total of $8M in funding. The most recent round on record is Seed.
How many employees does AgentMail have?
AgentMail has approximately 8 people on record.