AIエージェント
x402
A payments protocol for the internet — built on plain HTTP.
★ 6.7k スターApache-2.0
ガイドを見る →AP2は、google-agentic-commerceが公開しているオープンソースのAIエージェントプロジェクトです（GitHub: google-agentic-commerce/AP2）。GitHubスターは3,209、フォークは509で、Apache-2.0ライセンスの下で公開されています。GitHubでの最終更新は2026年6月17日です。
An open protocol for secure AI-driven payments.
Be clear about the problem you are solving before installing.
Clone the repository and skim the docs for hardware or key requirements.
Install dependencies, then add API keys, endpoints, or local-model settings.
Launch the example flow and verify the output matches expectations.
Protocol for agents to transact.
Designed around secure payment flows.
Aims for cross-platform compatibility.
From google-agentic-commerce.
Apache-2.0 licensed code and docs.
Positioned at the start of agentic commerce.
Download the source and move into the project folder.
git clone https://github.com/google-agentic-commerce/AP2.git
cd AP2Set up a virtual environment and install dependencies.
python -m venv .venv && source .venv/bin/activate
pip install -r requirements.txtRead the protocol docs and run the sample flows.
# see https://ap2-protocol.org/ for the specIt is maintained by google-agentic-commerce at google-agentic-commerce/AP2, with 509 forks.
Yes. It is released under the Apache-2.0 license, which permits commercial use, modification, and redistribution. Read the LICENSE file for the exact terms.
The protocol is free; real payment rails have their own fees.
Agentic payments is an emerging space — compare with other proposals as they appear.
Read the protocol site, clone the repo, and run the examples.
A payments protocol for the internet — built on plain HTTP.
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