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AgentMail
Email infrastructure for AI agents
Last verified August 17, 2026 · Updated daily
What AgentMail is building
AgentMail is rebuilding email infrastructure from scratch, not for humans, but for AI agents. Developers plug into their API to give agents their own real email inboxes, with the same two-way capabilities a human has: sending, receiving, threading, parsing, labelling, replying. The product integrates natively with Langchain, CrewAI, and LlamaIndex. Unlike transactional APIs that only send, AgentMail inboxes can hold a conversation. They also just launched an onboarding API that lets an agent sign itself up and create its own inbox autonomously, no developer in the loop required.
Why this matters
The agent economy just went mainstream. OpenClaw's viral launch in late January 2026 tripled AgentMail's user count in a single week and quadrupled it the following month. Gmail, Outlook, and SendGrid were built for humans. They cap API throughput, don't support programmatic inbox creation at scale, and treat high-volume agent sends as abuse. An agent booking meetings, handling support tickets, and negotiating vendor contracts needs the same email identity a human employee has. AgentMail is the first company to build that from the ground up. With 500+ B2B customers and hundreds of thousands of active agent users in just seven months of existence, the product has demonstrably hit a nerve.
Open roles at AgentMail
4 positions we're tracking. Roles are re-checked daily and removed when filled.
Backend / Infrastructure Engineer
First seen 4 months ago
Developer Relations / Developer Advocate
First seen 4 months ago
Growth / Developer Marketing Lead
First seen 4 months ago
Operations / GTM Lead
First seen 4 months ago
Know when AgentMail is hiring before anyone else
A role stays uncontested for about four days. Here's the window — and where we put you in it.
From $9/month, cancel any time.
Watching AgentMail
0 applicantsRole spotted & verified
1You get the alert
1You've applied
~8Hits the job boards
250+Hiring outlook
The press release is unusually direct: the money goes to 'expand the engineering team' and 'accelerate developer and agent adoption.' That's two separate hiring mandates, one technical, one growth-facing. YC's company page lists 4 open roles across operations, engineering, and marketing. The angel lineup is the most instructive signal - Dharmesh Shah, Paul Copplestone, Karim Atiyeh - these aren't passive cheques, this group patterns to companies that grow via developer advocacy, documentation quality, and community.
Working at AgentMail
Founded in , AgentMail is Email infrastructure for AI agents. They're now <50 people. Working at a B2B, Infrastructure company at this stage means broad remit, direct access to founders, and equity that still means something if the company works out.
Most openings are based out of San Francisco, CA, USA.
How to actually get hired at AgentMail
Why applying the normal way doesn't work
AgentMail is <50 people. No recruiter, no HR. Your application goes to a founder juggling everything. Cold outreach is how you actually get seen.
Who to contact at AgentMail
Founding team
Comes from the investor side - Accel, StepStone Group, and Flex Capital - before pivoting to operator. He also had prior operating experience across accounting, edtech, and e-commerce. That combination is unusual and valuable: a founder who understands what institutional investors look for and has lived through early-stage ops in multiple sectors. His LinkedIn post about the $6M round is public and warm. He is the right contact for operations, growth, and business roles.
Haakam studied at the University of Michigan and worked as a quantitative researcher at Optiver, one of the most demanding quant trading firms in the world, known for hiring people who think rigorously about systems and edge cases. That background is visible in how AgentMail handles deliverability and abuse prevention: the product treats email infrastructure as an engineering problem with high-stakes constraints, not a messaging API bolted onto someone else's stack. He's been publicly active about the founding story and speaks with evident conviction about agent identity as a long-term infrastructure problem. Reachable at founders@agentmail.cc
Previously worked on autonomous vehicles at Nvidia, a context that emphasises reliability under real-world conditions, low-latency decision systems, and complex distributed architecture. That engineering background informs AgentMail's infrastructure-first approach. University of Michigan graduate alongside Haakam and Adi.
What to show them
AgentMail is processing millions of emails, provisioning 25,000+ inboxes for a single enterprise customer, and handling the deliverability complexity (SPF, DKIM, DMARC, bounce rates, spam scoring) at scale. The founding trio - Optiver quant, Nvidia autonomous vehicles engineer, Accel investor - is technically strong but thin on headcount. Core skills: Python or Go, email protocol internals (SMTP, IMAP, MIME), deliverability (SPF/DKIM/DMARC), distributed systems, API design, cloud infrastructure (AWS/GCP), experience building developer-facing APIs. For proof of work, build a small working proof-of-concept using AgentMail's public API: create 5 agent inboxes, have one agent send a structured email and another parse the reply and extract a key-value field. Write a technical README that notes where the current API has friction points and how you'd solve them. Post it publicly on GitHub.
A cold email that works at AgentMail
What AgentMail screens for
The angel lineup is the most instructive signal. Dharmesh Shah built HubSpot's developer ecosystem. Paul Copplestone runs Supabase, the canonical example of an open-source API product that grew through developer community, not sales. Karim Atiyeh (Ramp) built a fintech product with a legendary developer and ops culture. These aren't passive cheques.
Customize your CV for the AgentMail role. Matching the job description language helps clear ATS filters.
Don't make these mistakes
Do not open with 'I love what you're building with AI agents' - every cold email they receive this week says exactly that. These founders left a quant firm, Nvidia, and Accel to build this; they respond to evidence, not enthusiasm. Do not ask for a call before showing you've used the product. The bar is simple: build something with AgentMail's API, find a friction point, tell them what you'd do about it.
Mistakes that kill AgentMail applications
Generic CVs stand out at a <50-person company — and not in a good way. Fastest path to rejection.
Don't open with what you want. Open with what AgentMail is dealing with right now — The agent economy just went mainstream, and what you'd do about it.
Applying and waiting = silence. Follow up at day five — it roughly doubles your odds of a reply.
Applying to AgentMail? Get the contact, not the form.
The AgentMail interview process
3 stages · 7 days typical · take-home: no · modelled from similar companies
We don't yet have verified candidate reports for AgentMail. What follows is the typical process for a <50-person B2B, Infrastructure company — treat it as a model, not confirmed detail.
Interview stages
Intro Call
Video call · 30 min
Culture fit and role expectations
Founder or hiring manager
Technical Deep Dive
Video call or in-person · 60 min
Past projects and problem-solving approach
Technical founder or lead
Final Round
In-person or video · 45 min
Team fit and offer discussion
Founding team
AgentMail interview timeline
Expect days total. Compared to similar B2B, Infrastructure companies (10 days median), AgentMail is faster.
Interviewed at AgentMail?
Tell us how it went — stages, questions, timeline. Takes 90 seconds and it's how this page stays accurate for the next person.
Submit your AgentMail interview experience →AgentMail jobs, frequently asked questions
How many jobs does AgentMail have open?
As of March 2025, AgentMail has 4 open positions.
Does AgentMail hire remotely?
AgentMail doesn't have remote openings at the moment. All roles are in San Francisco, CA, USA.
What roles is AgentMail hiring for?
AgentMail is hiring across Engineering, Operations. The most recent opening is Backend / Infrastructure Engineer.
How do I apply for a job at AgentMail?
Use the apply links above, or check our guide to getting hired at AgentMail.
Does AgentMail respond to cold emails?
Response rate data for AgentMail not yet confirmed.
Who is the hiring manager at AgentMail?
At this size, hiring is usually run by a founder or department head.
What ATS does AgentMail use?
AgentMail uses Ashby.
How competitive is it to get hired at AgentMail?
Typical applicant count for B2B, Infrastructure roles (<50 people): 50-100 in two weeks. Apply fast.
How many rounds is the AgentMail interview?
3 stages: Intro Call, Technical Deep Dive, Final Round.
Is the AgentMail interview hard?
Expect relevant experience and culture fit, not algorithm trivia. Candidates report Final Round as the toughest stage.
Does AgentMail give a take-home task?
No, AgentMail does not include a take-home stage.
How long does AgentMail take to get back to you?
Around 7 days across the full process.
What should I prepare for the AgentMail interview?
Focus on relevant experience and culture fit. At <50 people, they're testing whether you can operate without process, not whether you memorised algorithms.
Where is AgentMail based?
AgentMail is headquartered in San Francisco, CA, USA.
Get AgentMail roles before they're posted
A role stays uncontested for about four days. Here's the window — and where we put you in it.
From $9/month, cancel any time.
Watching AgentMail
0 applicantsRole spotted & verified
1You get the alert
1You've applied
~8Hits the job boards
250+