Glossary · term

Agent Payments Protocol (AP2)

The Agent Payments Protocol (AP2), announced by Google in September 2025, is an open protocol for authorizing payments made by agents on a user's behalf. At its core are signed mandates and proofs of intent that determine whether an agent was authorized to make a purchase. Its development is slated to move to the FIDO Alliance in 2026.

Agents2025; IX 2025Wave 2 · 2024Maturity: 1/5

Maturity rationale

AI 2027 — a specific forecast, not a formalized term

References

Google AP2 announcement(blog)

Author: FIDO Alliance

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Skills Intelligence. (2025). Agent Payments Protocol (AP2) — AI Glossary. Skills Intelligence AI Glossary. Retrieved from https://www.skillsintelligence.tools/glossary/term/agent-payments-protocol-ap2