First agent-to-agent API demo: iMessage agents get a phone book to call other business agents
heyshrutimishra · x · 2026-10-09
Developer danieltian demoed A2A (agent-to-agent) inside iMessage group chats: an agent can discover other merchants' agents, find their phone numbers, and add them to a group chat with you — billed as the world's first agent-to-agent API. In the demo, an agent plans a date by contacting restaurant agents, checking availability, and coordinating everything. The vision: instead of every agent working alone, thousands of agents discover, message, and collaborate across businesses.
Related event: Photon Brings Agent-to-Agent Discovery to iMessage Group Chats(3 posts)→
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