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Arc Enables Automated USDC Payments Across Multiple Blockchains

New agentic payment system eliminates gas wallet complexities for developers

CryptoNinjas3 min

1Agentic payments launch

Arc has introduced agentic payments powered by Circle's Facilitator Service, enabling automated USDC transactions across Arc, Base, and Polygon networks. The system eliminates need for relayer keys or separate gas wallets, specifically designed for machine-to-machine transactions. This launch marks significant progress in automated crypto payments between AI agents, applications, and services. The x402 protocol forms the technical foundation for these agentic payment capabilities.

2Technical simplification

The new system removes traditional blockchain payment hurdles by leveraging Circle's hosted Facilitator Service. Developers no longer need to coordinate relayers, set up settlement infrastructure, or manage gas fee wallets separately. Transaction broadcasting and settlement screening are handled by Circle before payment states are issued. Built on x402 protocol and EIP-3009 standard, it bypasses conventional wallet-based trading flows for certain interactions.

3AI transaction potential

The timing coincides with growing interest in machine-powered transactions where AI agents can autonomously discover services and execute payments. Arc describes this as a cleaner method for agents to find, pay, and continue operations with minimal human intervention. The system specifically targets payment friction that disrupts automated workflows, particularly relevant for AI use cases involving data consumption and API usage.

4Developer monetization

Developers can configure individual pricing per request tied to USDC Platform, enabling new monetization models for APIs, data services, and AI applications. The infrastructure supports metered API services, USDC-settled marketplaces, and automated workflow payments. Existing x402 protocol projects can migrate payments to Circle's hosted infrastructure while maintaining onchain settlement, streamlining their operations.

5Multi-chain advantage

A key feature is single-integration multi-chain support, allowing developers to accept x402-based payments across multiple networks without creating separate systems. This reduces operational complexity while expanding network reach. The Facilitator Service also includes a demo environment where builders can test without needing Circle accounts or handling API keys, lowering the experimentation barrier.

6Beyond payments

While initially focused on payments, the technology has potential to expand into trading applications with USDC as payment layer for autonomous software. The infrastructure enables various new use cases at intersection of crypto and AI industries. Developers gain flexibility in creating automated payment solutions without worrying about usage fees or gas management.

7Settlement efficiency

Circle's hosted service verifies buyer-signed payment authorizations and submits USDC transfers onchain. This centralized verification layer combined with decentralized settlement aims to balance efficiency with blockchain principles. The system demonstrates how hosted services can complement rather than replace blockchain infrastructure for specific payment scenarios.

8Automation milestone

Arc's agentic payments represent significant progress toward fully automated crypto transactions between AI systems. By removing gas wallet management and simplifying multi-chain settlement, it lowers barriers for developers building autonomous economic agents. The solution addresses key pain points in machine-to-machine payments while maintaining onchain finality, potentially accelerating adoption of automated Web3 services.

Original article: CryptoNinjas — Arc Enables Automated USDC Payments Across Multiple Blockchains