How to Verify AI Shopping Agents with W3C Credentials

Autonomous shopping agents will process $25 billion in transactions by 2028. Without cryptographic identity verification at checkout, every agent purchase is a trust-me-bro handshake with no accountability. MT Shopping is a transaction verification API for autonomous shopping agents. It issues and verifies BuyerAgentCredentials — W3C Verifiable Credentials (VCs) signed with Ed25519 — that bind an AI agent to its human principal's spending constraints. 5 REST endpoints, 3 Model Context Protocol (MCP) tools, free during Early Access. Part of MolTrust v0.7.0. What Is a BuyerAgentCredential? A BuyerAgentCredential is a W3C Verifiable Credential that authorizes an AI shopping agent to make purchases on behalf of a human. It contains the agent's DID, the human principal's DID, spend limits, allowed currencies, category restrictions, and an expiration date. The credential is signed with Ed25519 and can be verified by any merchant in a single API call. { "type" : [ "VerifiableCredential" , "Bu