A

AgentMail

Summer 2025
agentmail.toB2BSan Francisco, CA, USA

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 19, 2026, 8:16 PM

What they do

AgentMail | Email Inbox API for AI Agents AgentMail gives AI agents real email inboxes

Quick read

  • AgentMail | Email Inbox API for AI Agents AgentMail gives AI agents real email inboxes
  • Reported angle: Rendering Email Safely: Preventing Phishing Attacks | AgentMail
  • Indexed activity snapshot: 1 funding‑related row(s), 1 hiring‑related, 0 GitHub‑tagged, 22 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed

Evidence summary

Verified facts

  • AgentMail | Email Inbox API for AI Agents AgentMail gives AI agents real email inboxes
  • Reported angle: Rendering Email Safely: Preventing Phishing Attacks | AgentMail
  • Indexed activity snapshot: 1 funding‑related row(s), 1 hiring‑related, 0 GitHub‑tagged, 22 product/news‑style — scoring reflects corpus coverage only.
Nexus growth score
40.0Early / quiet
7D+0%
30D+0%
Medium Confidence

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_rendering-email-safely-preventing-phishing-attacksok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_pods-multi-tenant-email-infrastructureok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_openclaw-email-automation-use-casesok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_openclaw-agent-email-inboxok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_livekit-integrationok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_invisible-satisfying-s3ok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_how-dossium-gives-every-agent-a-real-email-surfaceok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_how-cofounder-gives-every-ai-agent-its-own-inboxok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_hermes-agent-email-inboxok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_email-as-memory-for-ai-agentsok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_email-as-identity-for-ai-agentsok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_deliverability-demystifiedok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_connect-openclaw-to-gmailok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_cloudflare-vs-agentmailok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_building-real-time-ai-agents-agentmail-webhooksok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_build-email-agent-google-adk-agentmailok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_best-email-api-for-openclaw-2026ok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-vs-sendgridok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-vs-resendok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-vs-gmail-openclawok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-vs-amazon-sesok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-seed-launchok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-introok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agentmail-browser-use-full-web-emailok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_agent-emailok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blog_5-best-email-api-for-developers-compared-2026ok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_pressnot_found
    Last checked Mon, May 11, 04:45 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 04:45 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 04:45 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 04:45 AM

    HTTP 404

  • public_page:_careersok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_blogok
    Last checked Mon, May 11, 04:45 AM
  • public_page:_aboutnot_found
    Last checked Mon, May 11, 04:45 AM

    HTTP 404

  • public_page:_ok
    Last checked Mon, May 11, 04:45 AM
  • public_page:homeok
    Last checked Mon, May 11, 04:45 AM

Nexus score momentum

407D +030D +0
100500
2026-05-11: 40

More runs will build history.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Score snapshots

Public source summary

Total evidence rows
29
Latest evidence
Mon, May 11, 04:45 AM

Source types found

blogcareers_pageofficial_site

Public signal timeline

Newest first · 24 event(s)

1
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Rendering Email Safely: Preventing Phishing Attacks | AgentMail

Source: Blog / news

How we built a secure email rendering system at AgentMail using DOMPurify, sandboxed iframes, and strict CSP to prevent XSS and phishing attacks.

Source ↗
2
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Pods: multi-tenant email infrastructure as a primitive | AgentMail

Source: Blog / news

Every infrastructure layer eventually grows up for multi-tenancy. Email was the last one. Pods give each tenant isolated inboxes, a domain, and scoped keys.

Source ↗
3
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Openclaw Email Automation: 7 Real-World Use Cases | AgentMail

Source: Blog / news

Discover how to automate customer support, account verification, invoice processing, lead nurturing, and more with Openclaw email automation. Includes practical implementation examples and best practices.

Source ↗
4
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

How to Give Your Openclaw Agent Its Own Email Inbox | AgentMail

Source: Blog / news

A step-by-step guide to creating dedicated email inboxes for Openclaw agents using AgentMail. Learn how to set up programmatic email, handle verification codes, and manage multi-threaded conversations.

Source ↗
5
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Give voice agents email inboxes with LiveKit and AgentMail | AgentMail

Source: Blog / news

LiveKit and AgentMail are partnering to give voice agents their own email inboxes.

Source ↗
6
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

The Invisible Character That Broke Our S3 Uploads | AgentMail

Source: Blog / news

How a non-breaking space in an Outlook attachment filename triggered an S3 signing bug, caused hours of SES retry storms, and was fixed with a one-character regex change.

Source ↗
7
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

How Dossium Gives Every Agent a Real Email Surface at Signup | AgentMail

Source: Blog / news

Every Dossium user gets a dedicated AgentMail inbox provisioned automatically before they finish signing up.

Source ↗
8
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

How Cofounder Gives Every AI Agent Its Own Inbox | AgentMail

Source: Blog / news

General Intelligence built Cofounder, a multi-agent workspace where each agent runs a department. They needed real inboxes per agent, not just a send API. 800+ emails through agent inboxes in week one.

Source ↗
9
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

How to Give Your Hermes Agent Its Own Email Inbox | AgentMail

Source: Blog / news

Wire AgentMail to Hermes via MCP: typed tools at startup, per-subagent inboxes, CLI setup, config.yaml, and how it differs from OpenClaw’s SKILL.md pattern-without SMTP or OAuth.

Source ↗
10
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Email as Memory for AI Agents | AgentMail

Source: Blog / news

Why AI agents need persistent memory and how email inboxes provide semantic, episodic, and procedural memory without building custom infrastructure.

Source ↗
11
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Email as Identity for AI Agents | AgentMail

Source: Blog / news

Discover how email provides AI agents with persistent identity, authentication capabilities, and verifiable sender credentials. Learn why email is the foundational identity layer that enables agents to participate in digital systems.

Source ↗
12
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Email Deliverability 101 | AgentMail

Source: Blog / news

A high-level, engineering-first guide to why emails land in the inbox (or don't).

Source ↗
13
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Connect Openclaw to Gmail: Step-by-Step Tutorial (2026) | AgentMail

Source: Blog / news

Learn how to connect your Openclaw agent to Gmail with three methods: gogcli skill, OAuth integration, and Pub/Sub webhooks. Includes setup guides, security best practices, and when to use AgentMail instead.

Source ↗
14
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Building real-time AI agents with AgentMail webhooks | AgentMail

Source: Blog / news

Most email agents start with polling. Here is why that creates problems at scale and how to switch to webhooks in four steps.

Source ↗
15
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Build an Email Agent with Google ADK and AgentMail | AgentMail

Source: Blog / news

How to wire Google's ADK into AgentMail's MCP server so your agents can send and receive email without touching SMTP or OAuth. Python setup, stdio transport, and a few things worth knowing before you ship it.

Source ↗
16
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

Best Email API for Openclaw in 2026 | AgentMail

Source: Blog / news

What's the best email API for Openclaw? Compare AgentMail, Gmail, Resend, SendGrid, and Mailgun for two-way inboxes, threading, skills, and production risk—so your agent can send, receive, and keep context.

Source ↗
17
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

We've raised $6M to build the first email inboxes for AI agents. | AgentMail

Source: Blog / news

AgentMail has raised a $6M seed round led by General Catalyst. Learn why we're building email inboxes for AI agents and what's next.

Source ↗
18
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

AgentMail: Email Infrastructure for AI Agents | AgentMail

Source: Blog / news

AgentMail is an email infrastructure built for AI agents. Create inboxes, send and receive messages, and search threads programmatically — built for autonomous workflows.

Source ↗
19
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

How To Give Your Browser Use Agent an Email Inbox Using AgentMail | AgentMail

Source: Blog / news

Browser Use and AgentMail are partnering so every cloud session gets its own inbox—signups, OTPs, and verification links without a human.

Source ↗
20
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

agent.email: A Landing Page for Agents | AgentMail

Source: Blog / news

We built agent.email so AI agents can sign up for AgentMail themselves. No dashboard, no SDK. Just a URL and a skill file.

Source ↗
21
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

5 Best Email API For Developers Compared [2026] | AgentMail

Source: Blog / news

With so many email API providers out there, picking the right one can be tough. We compare AgentMail, Resend, SendGrid, Mailgun, and Amazon SES.

Source ↗
22
Mon, May 11, 04:45 AM · careers_page · 90% · publichigh quality

Careers | AgentMail

Source: Careers

Build email infrastructure for AI agents at AgentMail. We're hiring engineers passionate about autonomous systems, developer tools, and AI-native software.

Source ↗
23
Mon, May 11, 04:45 AM · blog · 90% · publichigh quality

AgentMail Blog — AI Agents, Email API & Agentic Workflows

Source: Blog / news

Guides and tutorials on AI agent development, email infrastructure, and autonomous workflows. Engineering insights and product updates from the AgentMail team.

Source ↗
24
Mon, May 11, 04:45 AM · official_site · 90% · publichigh quality

AgentMail | Email Inbox API for AI Agents

Source: Homepage

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

Source ↗

Official / company site

1 row(s)

official_site·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

AgentMail | Email Inbox API for AI Agents

Source name: Homepage

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

https://www.agentmail.to/

Hiring

1 row(s)

careers_page·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Careers | AgentMail

Source name: Careers

Build email infrastructure for AI agents at AgentMail. We're hiring engineers passionate about autonomous systems, developer tools, and AI-native software.

https://www.agentmail.to/careers

Blog

22 row(s)

blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Pods: multi-tenant email infrastructure as a primitive | AgentMail

Source name: Blog / news

Every infrastructure layer eventually grows up for multi-tenancy. Email was the last one. Pods give each tenant isolated inboxes, a domain, and scoped keys.

https://www.agentmail.to/blog/pods-multi-tenant-email-infrastructure
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Openclaw Email Automation: 7 Real-World Use Cases | AgentMail

Source name: Blog / news

Discover how to automate customer support, account verification, invoice processing, lead nurturing, and more with Openclaw email automation. Includes practical implementation examples and best practices.

https://www.agentmail.to/blog/openclaw-email-automation-use-cases
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

How to Give Your Openclaw Agent Its Own Email Inbox | AgentMail

Source name: Blog / news

A step-by-step guide to creating dedicated email inboxes for Openclaw agents using AgentMail. Learn how to set up programmatic email, handle verification codes, and manage multi-threaded conversations.

https://www.agentmail.to/blog/openclaw-agent-email-inbox
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Give voice agents email inboxes with LiveKit and AgentMail | AgentMail

Source name: Blog / news

LiveKit and AgentMail are partnering to give voice agents their own email inboxes.

https://www.agentmail.to/blog/livekit-integration
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

The Invisible Character That Broke Our S3 Uploads | AgentMail

Source name: Blog / news

How a non-breaking space in an Outlook attachment filename triggered an S3 signing bug, caused hours of SES retry storms, and was fixed with a one-character regex change.

https://www.agentmail.to/blog/invisible-satisfying-s3
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

How Cofounder Gives Every AI Agent Its Own Inbox | AgentMail

Source name: Blog / news

General Intelligence built Cofounder, a multi-agent workspace where each agent runs a department. They needed real inboxes per agent, not just a send API. 800+ emails through agent inboxes in week one.

https://www.agentmail.to/blog/how-cofounder-gives-every-ai-agent-its-own-inbox
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

How to Give Your Hermes Agent Its Own Email Inbox | AgentMail

Source name: Blog / news

Wire AgentMail to Hermes via MCP: typed tools at startup, per-subagent inboxes, CLI setup, config.yaml, and how it differs from OpenClaw’s SKILL.md pattern-without SMTP or OAuth.

https://www.agentmail.to/blog/hermes-agent-email-inbox
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Email as Memory for AI Agents | AgentMail

Source name: Blog / news

Why AI agents need persistent memory and how email inboxes provide semantic, episodic, and procedural memory without building custom infrastructure.

https://www.agentmail.to/blog/email-as-memory-for-ai-agents
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Email as Identity for AI Agents | AgentMail

Source name: Blog / news

Discover how email provides AI agents with persistent identity, authentication capabilities, and verifiable sender credentials. Learn why email is the foundational identity layer that enables agents to participate in digital systems.

https://www.agentmail.to/blog/email-as-identity-for-ai-agents
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Connect Openclaw to Gmail: Step-by-Step Tutorial (2026) | AgentMail

Source name: Blog / news

Learn how to connect your Openclaw agent to Gmail with three methods: gogcli skill, OAuth integration, and Pub/Sub webhooks. Includes setup guides, security best practices, and when to use AgentMail instead.

https://www.agentmail.to/blog/connect-openclaw-to-gmail
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Build an Email Agent with Google ADK and AgentMail | AgentMail

Source name: Blog / news

How to wire Google's ADK into AgentMail's MCP server so your agents can send and receive email without touching SMTP or OAuth. Python setup, stdio transport, and a few things worth knowing before you ship it.

https://www.agentmail.to/blog/build-email-agent-google-adk-agentmail
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

Best Email API for Openclaw in 2026 | AgentMail

Source name: Blog / news

What's the best email API for Openclaw? Compare AgentMail, Gmail, Resend, SendGrid, and Mailgun for two-way inboxes, threading, skills, and production risk—so your agent can send, receive, and keep context.

https://www.agentmail.to/blog/best-email-api-for-openclaw-2026
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

We've raised $6M to build the first email inboxes for AI agents. | AgentMail

Source name: Blog / news

AgentMail has raised a $6M seed round led by General Catalyst. Learn why we're building email inboxes for AI agents and what's next.

https://www.agentmail.to/blog/agentmail-seed-launch
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

AgentMail: Email Infrastructure for AI Agents | AgentMail

Source name: Blog / news

AgentMail is an email infrastructure built for AI agents. Create inboxes, send and receive messages, and search threads programmatically — built for autonomous workflows.

https://www.agentmail.to/blog/agentmail-intro
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

How To Give Your Browser Use Agent an Email Inbox Using AgentMail | AgentMail

Source name: Blog / news

Browser Use and AgentMail are partnering so every cloud session gets its own inbox—signups, OTPs, and verification links without a human.

https://www.agentmail.to/blog/agentmail-browser-use-full-web-email
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

agent.email: A Landing Page for Agents | AgentMail

Source name: Blog / news

We built agent.email so AI agents can sign up for AgentMail themselves. No dashboard, no SDK. Just a URL and a skill file.

https://www.agentmail.to/blog/agent-email
blog·Mon, May 11, 04:45 AM·Confidence 90%high qualitypublic

AgentMail Blog — AI Agents, Email API & Agentic Workflows

Source name: Blog / news

Guides and tutorials on AI agent development, email infrastructure, and autonomous workflows. Engineering insights and product updates from the AgentMail team.

https://www.agentmail.to/blog
Noisy or blocked sources (5)Collapsed by default — expand to inspect
blog·Mon, May 11, 04:45 AM·Confidence 90%noisypublic

Cloudflare Email Service vs AgentMail | AgentMail

Source name: Blog / news

Cloudflare launched Email Service for agents in April 2026. Here is what they shipped, what AgentMail does differently, and when each one fits.

https://www.agentmail.to/blog/cloudflare-vs-agentmail
blog·Mon, May 11, 04:45 AM·Confidence 90%noisypublic

AgentMail vs SendGrid | AgentMail

Source name: Blog / news

SendGrid is a sending pipe. AgentMail is an inbox. Here is what each one is built for, what the agent loop looks like in code, and how the multi-tenancy and pricing compare.

https://www.agentmail.to/blog/agentmail-vs-sendgrid
blog·Mon, May 11, 04:45 AM·Confidence 90%noisypublic

AgentMail vs Resend for AI Agents [2026 Comparison] | AgentMail

Source name: Blog / news

Resend ships outbound and a webhook for inbound. AgentMail is built around the inbox itself. Pricing, the agent loop, the threading problem, and full code for the send-receive-reply loop on both.

https://www.agentmail.to/blog/agentmail-vs-resend
blog·Mon, May 11, 04:45 AM·Confidence 90%noisypublic

AgentMail vs Gmail for Openclaw AI Agents: Which Should You Choose? | AgentMail

Source name: Blog / news

Compare Gmail and AgentMail for Openclaw AI agents. Learn which email service fits your needs based on scale, pricing, and features. Includes setup guides and real-world use cases.

https://www.agentmail.to/blog/agentmail-vs-gmail-openclaw
blog·Mon, May 11, 04:45 AM·Confidence 90%noisypublic

AgentMail vs Amazon SES for AI Agents [2026 Comparison] | AgentMail

Source name: Blog / news

Two email APIs evaluated for AI agent infrastructure: supported architecture, code for the full send-and-receive loop, and where each one is the right fit.

https://www.agentmail.to/blog/agentmail-vs-amazon-ses

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