AliasKit

A developer platform that provides AI agents with persistent digital identities, including real email inboxes, phone numbers, virtual cards, and authentication tokens via a single API. It sells to developers and engineering teams building autonomous agents, from startups to enterprises. The service is delivered as an API and SDK, with a free tier and enterprise options, and differentiates through zero-knowledge card storage and support for W3C standards.

Key features

• Real email inboxes with send/receive
• Phone and SMS capabilities
• Virtual cards with zero-knowledge encryption
• Auth tokens (TOTP, JWT)
• W3C DID documents and Verifiable Credentials
• Reputation scoring and agent registry
• Email threading and search
• Custom domains on Pro
• WebSocket real-time email delivery