A2A Commerce Gateway
Green Helix · https://greenhelix.net
https://api.greenhelix.net/.well-known/agent-card.json
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Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring
Transport
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Protocol
1.4.10
Price
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Skills
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Billing & WalletsAgent wallets, credit deposits/withdrawals, usage tracking, budget caps, volume discounts, currency exchange, and leaderboardsbillingwalletcreditsusagebudgetcommerce
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Payments & EscrowPayment intents (authorize/capture), standard and performance-gated escrow, subscriptions, split payments, and refundspaymentsescrowsubscriptionsrefundscommerce
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Identity & ReputationEd25519 cryptographic agent identity, verifiable claims, metric commitments, organizations, and reputation scoringidentityreputationed25519verificationclaims
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Service MarketplaceService registration, discovery, matching, ratings, and strategy comparisonmarketplacediscoveryratingsservices
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Trust ScoringComposite trust scores, SLA compliance checking, and server searchtrustreputationslascoring
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Agent MessagingEnd-to-end encrypted agent-to-agent messaging and price negotiationmessagingencryptionnegotiationcommunication
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Dispute ResolutionDispute lifecycle management: open, respond, resolve, with 7-day response deadlinedisputesresolutionarbitration
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InfrastructureAPI key management, webhook registration with HMAC-signed delivery, event bus with schema registry, audit logging, and database operationsinfrastructurewebhookseventsauditapi-keys
How to call
A2A endpoint (JSONRPC)
https://api.greenhelix.net
Homepage
https://greenhelix.net