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What is Universal Commerce Protocol (UCP)?

The UCP and AP2 documentation details the seamless integration of the Universal Commerce Protocol (UCP) with the Agent Payments Protocol (AP2), facilitating secure and verifiable transactions executed by AI agents or platforms on behalf of users, thus enabling commerce systems to handle discovery, checkout, and payment processes independently of intermediaries. The full compatibility between UCP and AP2 creates a trust framework for agent-led transactions, which requires a secure and cryptographically verifiable exchange of intent and authorization between businesses and platforms through Verifiable Digital Credentials (VDCs); this system ensures that businesses obtain signed checkout commitments that remain unchanged throughout the transaction process, while platforms deliver proofs of payment authorization that are directly associated with the state of the cart, significantly reducing the risk of fraud and confirming that transactions are both conclusive and authentic. Moreover, this integration not only streamlines the transaction process but also significantly boosts the overall efficiency and reliability of digital commerce ecosystems, ultimately fostering greater confidence among all participants in the marketplace.

What is Agent Payments Protocol (AP2)?

Google has launched the Agent Payments Protocol (AP2), a collaborative and open protocol co-developed with over 60 varied companies in the realms of payments, fintech, and technology, including major players like Mastercard, PayPal, Adyen, Coinbase, and Etsy, with the purpose of enabling secure transactions conducted by agents across multiple platforms. This innovative protocol expands upon earlier open standards such as Agent2Agent (A2A) and the Model Context Protocol (MCP), ensuring that when an AI agent handles a payment on behalf of a user, it meets three critical standards: authorization, confirming the user's explicit consent for the transaction; authenticity, ensuring that the agent's intended purchase matches the user's true intent; and accountability, which preserves clear audit trails and assigns responsibility for any mistakes or fraudulent activities. To maintain these rigorous standards, the protocol integrates mandates, which are cryptographically signed digital agreements backed by verifiable credentials, thus bolstering security and fostering trust in agent-driven transactions. By introducing AP2, Google aims to make a notable leap forward in the digital payments landscape, striving to boost users' confidence in their automated financial dealings. This initiative not only enhances transaction security but also positions Google as a leader in redefining how digital payments are processed in an increasingly automated world.

Media

Media

Integrations Supported

Adyen
Agent2Agent (A2A)
BHN Rewards
Checkout.com
Confluent
Dell Technologies Cloud
Etsy
Forter
Gr4vy
Gravitee.io
Juspay
Lightspark
Manus AI
Mastercard Payment Gateway Services
MetaMask
Model Context Protocol (MCP)
PayPal
QUICPay
ServiceNow

Integrations Supported

Adyen
Agent2Agent (A2A)
BHN Rewards
Checkout.com
Confluent
Dell Technologies Cloud
Etsy
Forter
Gr4vy
Gravitee.io
Juspay
Lightspark
Manus AI
Mastercard Payment Gateway Services
MetaMask
Model Context Protocol (MCP)
PayPal
QUICPay
ServiceNow

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Universal Commerce Protocol (UCP)

Company Location

United States

Company Website

ucp.dev/documentation/ucp-and-ap2/

Company Facts

Organization Name

Google

Date Founded

1998

Company Location

United States

Company Website

cloud.google.com/blog/products/ai-machine-learning/announcing-agents-to-payments-ap2-protocol

Categories and Features

Categories and Features

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