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About

Google’s Agent Payments Protocol (AP2) is an open protocol designed together with over 60 payments, fintech, and tech companies (e.g., Mastercard, PayPal, Adyen, Coinbase, Etsy) to enable secure, agent-led transactions across platforms. It builds on earlier open standards like Agent2Agent (A2A) and the Model Context Protocol (MCP) to ensure that when an AI agent initiates or completes a payment on behalf of a user, three core requirements are met: authorization (proving the user explicitly gave permission for that specific purchase), authenticity (ensuring the agent’s intended purchase matches what the user meant), and accountability (clear audit trails and responsibility in case of errors or fraud). The protocol uses mandates, which are cryptographically signed digital contracts backed by verifiable credentials.

About

KYDE is the behavioral firewall for AI agents. KYDE makes AI agents trustworthy enough to hand them real responsibility. It prevents what an agent must not do, proves what it did, and keeps your knowledge yours. Not on the machine. Not in the agent. KYDE sits outside, in the request path between your agents and every LLM provider — every action intercepted, scoped, and signed before it executes. Outside the agent. Cannot be overridden. Zero code changes. One environment variable. Provider-agnostic, MCP-ready, <100 ms target latency. Three functions. One layer. PROVE — After the action. An audit trail that is architecturally independent of every LLM provider: Ed25519-signed, hash-chained, captured at the boundary, undeletable by any agent. The suspect can't write the police report. RATE — Across the network. The KYDE Trust Score™: agent behavior rated across every provider in the same currency. Vendors grade their own homework. We grade behavior.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, merchants, payment providers, and platform builders requiring a tool to enable AI agents to execute transactions on behalf of users

Audience

Information Technology System Administrators, Developers, Security, CISO, AI Governance

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Google
Founded: 1998
United States
cloud.google.com/blog/products/ai-machine-learning/announcing-agents-to-payments-ap2-protocol

Company Information

KYDE
Founded: 2026
Germany
kyde.com

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Categories

Categories

Integrations

Accenture Billing & Payments Engine
Adobe Commerce
Agent2Agent (A2A)
Airwallex
American Express Go
BHN Rewards
Checkout.com
Coinbase Cloud
Dell Technologies Cloud
Deloitte Compliance Suite
Forter
Intuit Field Service Management
Manus AI
Mesh
Nexi
PayPal
QUICPay
Shopee
Universal Commerce Protocol (UCP)
Worldpay

Integrations

Accenture Billing & Payments Engine
Adobe Commerce
Agent2Agent (A2A)
Airwallex
American Express Go
BHN Rewards
Checkout.com
Coinbase Cloud
Dell Technologies Cloud
Deloitte Compliance Suite
Forter
Intuit Field Service Management
Manus AI
Mesh
Nexi
PayPal
QUICPay
Shopee
Universal Commerce Protocol (UCP)
Worldpay
Claim Agent Payments Protocol (AP2) and update features and information
Claim Agent Payments Protocol (AP2) and update features and information
Claim KYDE and update features and information
Claim KYDE and update features and information