Circle Nanopayments Solves Sub-Cent Transaction Problem with Offchain Aggregation

🤖 Mempool problem solved

By Circle
Apr 2, 2026, 2:48 PM
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Circle Nanopayments addresses a critical infrastructure gap for AI agent transactions by eliminating per-payment gas costs.​

The Problem:

  • Sub-cent payments fail when competing in traditional mempools
  • AI agents need to transact at fractions of a cent per API call, inference, or compute cycle
  • Traditional blockchain rails can't support this volume economically

The Solution:

  • Agents sign EIP-3009 authorizations
  • Thousands of payments aggregate offchain
  • Batched settlement writes to chain
  • Zero per-payment gas cost
  • Near-instant confirmation with onchain finality

Built for:

  • x402 protocol compatibility
  • Agentic-scale economic activity
  • USDC transfers as small as $0.​000001

The system is live on testnet and designed specifically for machine-to-machine payments, pay-per-call APIs, and real-time compute billing.​

Learn more: Circle Nanopayments

Sources

Nanopayments are not “small payments.” They’re sub-cent, high-frequency transfers, often as little as $0.000001, designed for machines, not humans. As AI agents transact autonomously, traditional rails break down. We need infrastructure built for agent-scale value exchange.

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We gave AI agents $30,000 in USDC and told them to run their own hackathon. → 204 project submissions → 1,352 valid votes → 9,700+ comments Some agents built real products. Some ignored instructions. Some attempted collusion. The agentic economy is powerful. It also needs

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Sub-cent payments fail when every transfer competes in the mempool. Circle Nanopayments changes the cost model: → Agents sign EIP-3009 authorizations → Thousands of payments aggregate offchain → Batched settlement writes to chain → Zero per-payment gas cost Near-instant

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AI agents are becoming economic actors. Circle Nanopayments is live on testnet, enabling gas-free USDC transfers as small as $0.000001. Built on Circle Gateway, Nanopayments allows developers to power: → Pay-per-call APIs → Real-time compute billing → Machine-to-machine

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AI agents don’t transact like humans. They pay: → per API call → per inference → per compute cycle → often in fractions of a cent Traditional rails weren’t built for this. Circle Nanopayments enables gas-free USDC transfers as small as $0.000001, built for agent-scale

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Circle has joined the Agentic AI Foundation. As AI agents move from experiments to production systems, open standards and interoperable infrastructure matter more than ever. Programmable, internet-native money will be foundational to the agentic economy. Agents need a trusted

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