Adi Singh is a co-founder of AgentMail, an email-inbox API for AI agents. His work focuses on giving agents a persistent way to communicate, sign up for services and remain reachable after a task has finished.[1][2][3]
Start with The Next Trillion Internet Users Still Don’t Have an Identity — Adi Singh, AgentMail →
X Career
AgentMail provides programmatic inbox creation, sending and receiving, with webhooks and websockets for incoming events. Its launch describes built-in permissions, semantic search and structured extraction. This treats the inbox as infrastructure for an agent rather than a personal mailbox that someone must manually configure. Singh previously invested at Accel, StepStone Group and Flex Capital, according to his founder biography.[1]
Contributions
In his AI Engineer talk, Singh argues that an agent’s identity accumulates through familiar surfaces and interactions. An email address can become a contact point for account verification, billing and support. His Telnyx example follows an agent signing up for a service with its own inbox, receiving verification and obtaining an API key. The surrounding workflow gives that address a purpose beyond merely naming the agent.[2]
Ideas
An inbox also creates an attack surface: incoming messages may try to manipulate an agent. Singh asks what will break as these interactions grow, using deployment examples to examine both trust and its limits.[2]
Tools, writing & talks
Writing, research & talks
Start here
A talk on persistent agent identity, inboxes and autonomous service signup.
Watch the Telnyx signup chapter at10:58 to see the complete workflow. Reproducing it requires the relevant service accounts.
Speaker[2]Original source