Agent Payments Protocol (AP2) is an open protocol that builds on A2A, Agent to Agent Protocol. AP2 was developed by Google with leading payments and technology companies to securely initiate and transact agent-led payments across platforms.
Closing the loop on payments is the ultimate goal for any commercial system. If AI agents are going to truly transform our commercial ecosystem, they need a secure and standardized way to pay. Google's new Agent Payments Protocol (AP2) is trying to solve this.
It's an open protocol designed to integrate with their existing agent-to-agent (A2A) frameworks. What's also interesting is its support for crypto payments through the x402 protocol, which shows it's built for both current and future financial rails.
So with MCP, A2A, and now AP2, are we seeing the key pillars for the commercialization of AI agents finally fall into place?
About AP2 on Product Hunt
“The open protocol for agentic commerce”
AP2 launched on Product Hunt on September 18th, 2025 and earned 155 upvotes and 1 comments, placing #12 on the daily leaderboard. Agent Payments Protocol (AP2) is an open protocol that builds on A2A, Agent to Agent Protocol. AP2 was developed by Google with leading payments and technology companies to securely initiate and transact agent-led payments across platforms.
On the analytics side, AP2 competes within Open Source, Payments, Artificial Intelligence and GitHub — topics that collectively have 588.8k followers on Product Hunt. The dashboard above tracks how AP2 performed against the three products that launched closest to it on the same day.
Who hunted AP2?
AP2 was hunted by Zac Zuo. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Zac Zuo
Hi everyone!
Closing the loop on payments is the ultimate goal for any commercial system. If AI agents are going to truly transform our commercial ecosystem, they need a secure and standardized way to pay. Google's new Agent Payments Protocol (AP2) is trying to solve this.
It's an open protocol designed to integrate with their existing agent-to-agent (A2A) frameworks. What's also interesting is its support for crypto payments through the x402 protocol, which shows it's built for both current and future financial rails.
So with MCP, A2A, and now AP2, are we seeing the key pillars for the commercialization of AI agents finally fall into place?