How t54 built a trust layer with Amazon Bedrock AgentCore payments
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t54 built a trust layer on Amazon Bedrock AgentCore payments to let AI agents make autonomous micropayments without human approval. The system has processed over 20 million agent-initiated transactions, each ranging from $0.001 to $0.01. t54's x402-secure product serves as a deterministic trust gate that scores endpoints and payment addresses before any transaction settles, using Trustline's five risk signals. The architecture enforces strict separation of duties through IAM roles, so agents can execute payments but cannot change spending limits, access credentials, or provision wallets. Session-scoped spending limits and credential vaulting ensure agents stop once limits are exhausted, and all transactions produce audit trails via CloudWatch and CloudTrail. The solution also integrates with the Coinbase x402 Bazaar for MCP marketplace tools, covering both direct API endpoints and listed paid tools with one setup.
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