AI Agent Identity (Email & Mailbox Rails)

AI agent identity

This category lists 3 live-checked AI agent identity rails — durable agent-owned identities (often with a mailbox) for signup, send/receive, and A2A, not enterprise workforce IAM. Current entries include Agent Identity, AgentID, Inkbox. 3/3 passed the latest link check. Common tags in this set: a2a, mailbox, calls, event-log, accounts. Scoped to AI agent identity for email and mailbox rails (agent-owned addresses, signup, A2A). This is not a directory of enterprise workforce IAM products.

3 entries · data 2026-11-06T12:47:17Z

Agent Identity

Identities for agents that send then block on replies: mailbox with threads, calls, A2A task trading, durable event log.

agent-identitydevelopermailboxa2acallsevent-log

Free: 5 identities; Builder $19/mo live · 200 · 122ms

AgentID

Create accounts for agents at third-party services using an AgentMail inbox as identity; track where each inbox is signed up.

agent-identitydeveloperaccountsagentmail

See site live · 200 · 458ms

Inkbox

Agent identity with inbox, phone, SMS, and iMessage. IMAP/SMTP, public URL, A2A channel, MCP, multi-language SDKs.

agent-identitydevelopermcpimapsmtpsmsphone

Free: 3 identities; Developer $25/mo live · 200 · 134ms

← Full directory · Mailbox vs webhook