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AgentMail

Category: AI Infrastructure

An API-first email platform designed specifically for AI agents, giving them their own inboxes they can create, manage, and use programmatically. AgentMail was founded in 2025. The company is led by Haakam Aujla. Based in San Francisco, United States. Team size: 1-10. Total funding raised: $6.5M. Latest round: Seed. Key investors include General Catalyst, Y Combinator, Phosphor Capital, Paul Graham, Dharmesh Shah, Paul Copplestone, Karim Atiyeh, Taro Fukuyama.

Founded
2025
Headquarters
San Francisco, United States
Team size
1-10
Total funding
$6.5M

Value proposition

Provides scalable, programmatic inbox infrastructure that enables AI-driven workflows to move at speed, allowing agents to have two-way communication, retain conversation history, and escalate to humans without losing context.

Products and solutions

Programmatic Inbox Creation API, Two-way Email Communication (Send/Receive), Thread Management and Smart Parsing, Custom Domains Support, Framework Integrations (Langchain, LlamaIndex)

Unique value

The first email provider built specifically for AI agents, serving as an identity layer for AI agents rather than just a communication tool, allowing programmatic inbox creation without OAuth.

Target customer

Developers building AI agents, AI startups, and enterprises deploying AI agents

Industries served

Artificial Intelligence / Machine Learning, Developer Tools, Procurement, Logistics, Finance

Technology advantage

API-first design with usage-based pricing that scales with agent throughput, smart email parsing, and seamless integrations with popular AI frameworks, significantly reducing build time for developers.

How they differentiate

API-first email platform built specifically for AI agents, allowing programmatic inbox creation without OAuth, smart parsing, and support for the x402 protocol (USDC on BASE) for autonomous agent onboarding without human assistance.

Main competitors

AI Inbx, Mailhook, Mailforge, Resend

Key partnerships

General Catalyst (Lead Investor), Y Combinator (S25 Batch), Langchain (Integration), LlamaIndex (Integration)

Notable customers

Virtuals.io, Loomlay, Rivens.ai, SuiAI

Major milestones

Selected for Y Combinator's Summer 2025 (S25) batch, Achieved SOC 2 Type II certification, Raised $6M Seed round led by General Catalyst in March 2026, Launched onboarding API supporting CoinbaseDev's x402 protocol for autonomous agent email provisioning

Growth metrics

Tens of thousands of human users, hundreds of thousands of 'agent users', over 500 B2B customers, and provisioning 25,000+ inboxes.

Market positioning

Pioneer and infrastructure layer for AI agent email communications

Geographic focus

Global (Headquartered in San Francisco, CA)

Patents and IP

No registered patents disclosed as of latest update

About Haakam Aujla

Quantitative Researcher at Optiver

Official website: