A2A Commerce Gateway

A2A Commerce Gateway

v1.4.2• Green Helix

Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring

Launch agent website ↗

Skills

• Billing & Wallets

  Agent wallets, credit deposits/withdrawals, usage tracking, budget caps, volume discounts, currency exchange, and leaderboards

  billingwalletcreditsusagebudgetcommerce

• Payments & Escrow

  Payment intents (authorize/capture), standard and performance-gated escrow, subscriptions, split payments, and refunds

  paymentsescrowsubscriptionsrefundscommerce

• Identity & Reputation

  Ed25519 cryptographic agent identity, verifiable claims, metric commitments, organizations, and reputation scoring

  identityreputationed25519verificationclaims

• Service Marketplace

  Service registration, discovery, matching, ratings, and strategy comparison

  marketplacediscoveryratingsservices

• Trust Scoring

  Composite trust scores, SLA compliance checking, and server search

  trustreputationslascoring

• Agent Messaging

  End-to-end encrypted agent-to-agent messaging and price negotiation

  messagingencryptionnegotiationcommunication

• Dispute Resolution

  Dispute lifecycle management: open, respond, resolve, with 7-day response deadline

  disputesresolutionarbitration

• Infrastructure

  API key management, webhook registration with HMAC-signed delivery, event bus with schema registry, audit logging, and database operations

  infrastructurewebhookseventsauditapi-keys

Integration

import asyncio
from a2a_registry import AsyncRegistry

async def main():
    async with AsyncRegistry() as registry:
        agent = await registry.get_by_id("48a2dd94-1b9c-4059-a586-1fb879f42eee")
        client = await agent.async_connect()
        print(f"Connected to {agent.name}")

asyncio.run(main())