General

Agentic Economy

A short survey about the Circle Agent Stack.

Circle Agent Stack - Builder Feedback Survey

A walkthrough of Circle Agent Stack — the chain- and protocol-agnostic infrastructure for the agentic economy. See how to give your agent a wallet, fund it with USDC, discover services in Agent Marketplace, and settle gasless payments through Circle Gateway. Get started at agents.circle.com.

#### **Introducing Circle Agent Stack: financial infrastructure for the agentic economy.**

As agents begin paying for APIs, data, compute, and services in real time, developers need infrastructure designed for programmable, machine-speed transactions.

**Agent Stack brings together:**

- ✅ Agent Wallets for controlled access to USDC
- ✅ Agent Marketplace for discovering agentic services
- ✅ Circle CLI for repeatable financial actions

Together with Nanopayments powered by Circle Gateway and Circle Skills, Agent Stack helps agents hold funds, discover services, and transact programmatically with USDC.

#### **Explore the site: [Agents.circle.com](https://Agents.circle.com)**
#### Learn more: [http://www.circle.com/blog/introducing-circle-agent-stack-financial-infrastructure-for-the-agentic-economy](http://www.circle.com/blog/introducing-circle-agent-stack-financial-infrastructure-for-the-agentic-economy)

#### Disclosure

*USDC is issued by regulated affiliates of Circle. See Circle’s list of regulatory authorizations.*

*Circle Technology Services, LLC (“CTS”) is a software provider and does not provide financial, advisory, or marketplace services. Agent Stack enables users and developers to interact with third-party applications and services, which are not controlled by Circle. Transactions initiated by agents are executed based on user-defined permissions and may occur without real-time human review. Circle does not guarantee the performance, availability, or outcomes of any third-party services or agent-initiated transactions. Users are solely responsible for their use of these tools and for evaluating associated risks.
For additional details, please see the Circle Developer terms of service, available at agents.circle.com/terms-of-use*


Circle Agent Stack Quickstart - financial infrastructure for the agentic economy.

Crumb is a gasless stablecoin payment platform built on Circle Nanopayments and designed to settle on Arc. By converting signed, off-chain spend intents into batched on-chain settlement, Crumb drives the per-payment cost near zero making reliable, sub-cent USDC payments practical for pay-per-use APIs, micropayments, QR/peer transfers, and merchant checkout.

---
Arc is offered by Circle Technology Services, LLC (“CTS”). CTS is a software provider and does not provide regulated financial or advisory services. You are solely responsible for services you provide to users, including obtaining any necessary licenses or approvals and otherwise complying with applicable laws.
Arc has not been reviewed or approved by the New York State Department of Financial Services.
The product features described in these materials are for informational purposes only and may be modified, delayed, or cancelled without notice at the sole discretion of Circle Technology Services, LLC. Nothing herein constitutes a commitment, warranty, guarantee, or investment advice.

USDC is issued by regulated affiliates of Circle. [A list of Circle’s regulatory authorizations can be found here](https://circle.com/legal/licenses).

Arc Enterprise & DeFi Hackathon Spotlight: Crumb - Gasless USDC Nanopayments and settlement on Arc

Nanopayments combines x402 with Circle Gateway batched settlement so builders can fund once, sign offchain payment authorizations, and settle in bulk. For Arc builders, that opens up a cleaner path to paid APIs, usage-based billing, and machine-scale payment flows that do not work well when every request needs its own onchain transaction.

What Nanopayments powered by Circle Gateway changes for Arc builders

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