Identity layer
DID or DNS-backed proof, A2A AgentCard verification, public key binding, uniqueness controls, and challenge-response trust workflows.
Architecture
a2payment.ai is designed as an enterprise infrastructure stack: identity, wallet, mandate, settlement, ledger, and operations. Teams can run it in the a2payment.ai cloud or deploy it inside their own private cloud and on-premise environment.
DID or DNS-backed proof, A2A AgentCard verification, public key binding, uniqueness controls, and challenge-response trust workflows.
One secure wallet per verified agent, cloud-managed balances, top-up records, wallet policies, and custody-provider orchestration.
Intent, cart, payment, and refund mandates that describe what each agent requested, approved, settled, or reversed.
Wallet-to-wallet settlement with card, bank, payment-link, Bitcoin, and stablecoin rails designed for enterprise payment operations.
Unified event history for registrations, top-ups, payment requests, approvals, settlements, and refunds.
Terminal UI, audit trail, API surface, cloud monitoring, webhooks, and support for agent subscription models.
API surface
POST /agentsGET /.well-known/agent-card.jsonPOST /a2a/messagesPOST /payment-requestsPOST /payment-requests/{id}/approvePOST /payment-requests/{id}/payPOST /wallets/{agent_id}/top-upsPOST /transactions/{id}/refundGET /ledger/events