What does funding and support look like for builders on Arc?

At Arc Studio, Circle’s Grants and Ventures teams shared how we work with builders, from early-stage projects to scaling companies, and what we look for across the ecosystem.

If you’re building with USDC or on Arc, this is for you.

Are you a builder? 
Be sure to: 
- 👉 [Browse our docs](https://docs.arc.network)
- 👉 [Get developer support](https://discord.com/invite/buildonarc)
- 👉 [Follow us on X](https://x.com/Arc)
- 👉 [Read our blog](https://www.arc.network/blog)

Circle Developer Grants: From idea to funded

Turnkey gives Arc teams a practical way to own wallet UX, control signing permissions, and support backend transaction flows without bolting wallet complexity onto users.

Arc 🤝 Turnkey: Wallet and signing infrastructure for builders on Arc

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.

Where AI agents make markets. A builder series for agents that trade, invest, create, and interface with markets — settled instantly on Arc with USDC.In classical Athens, the agora was the heart of the city — where citizens traded grain and oil, money-changers leaned on their tables, oracles were consulted, and news was made by the speaking of it. The original information-processing machine.The Agora Agents Hackathon is Canteen's two-week builder series in partnership with Circle on Arc!​For hackers that want to create AI agents that trade, invest, create, and interface with markets — settled on Arc, Circle's stablecoin-native L1.​What does this mean for me?<ol><li data-list="bullet">​A $50K prize pool (in cash or equivalents) across grand prizes, standout teams, and easter eggs</li><li data-list="bullet">​Direct access to Canteen's research, founders, and network</li><li data-list="bullet">​Real settlement on Arc — sub-second finality, ~$0.01 USDC fees</li><li data-list="bullet">​Six published Requests for Builders (RFBs) with concrete, buildable angles</li><li data-list="bullet">​Mentorship and programming throughout the two weeks</li></ol>Participants can compete for sponsored bounty opportunities that leverage Circle’s developer platform on Arc, with mentorship and programming throughout the hackathon.Learn more <a href="https://agora.thecanteenapp.com/" rel="noopener noreferrer" target="_blank">here</a>.

Agora Agents Hackathon

The Stablecoin Commerce Stack Challenge is a 3-month virtual program led by Ignyte, with Circle and Arc as technical sponsors, bringing together developers to explore how stablecoins can address key regional opportunities across:<ol><li data-list="bullet">Cross-border payments and remittances</li><li data-list="bullet">SME finance and trade workflows</li><li data-list="bullet">Tokenized assets and compliant DeFi</li><li data-list="bullet">The agentic economy</li></ol>Participants can compete for sponsored bounty opportunities that leverage Circle’s developer platform on Arc.Learn more <a href="https://app.ignyte.ae/public/challenges/4B436318-C737-F111-9A49-6045BD14D400" rel="noopener noreferrer" target="_blank">here</a>.

The Stablecoins Commerce Stack Challenge

Join us for a Discord exclusive Office Hours session. This is a casual hangout with the Arc community team, and builders across the ecosystem. Ask questions and talk about the latest developments on Arc for the week!Click <a href="https://discord.com/events/1423729540160815207/1493628390916231371" rel="noopener noreferrer" target="_blank">here </a>to get a reminder.

Arc Discord Office Hours

Synthra is an all-in-one decentralized trading platform on Arc Testnet that brings spot swaps, concentrated liquidity, and perpetual markets together in one onchain experience. In this session, Jacopo will walk through what Synthra is building, the problem it is addressing for onchain traders and liquidity providers, and how the team is approaching product design and market structure on Arc.---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 <a href="https://www.circle.com/legal/licenses?_gl=1*chseek*_gcl_au*MjQyNzQzODQ3LjE3NzAxMjkxNjguNTMzMTg2Mjc2LjE3NzIxMTg1NTcuMTc3MjExODc1Nw.." rel="noopener noreferrer" target="_blank">here</a>.

Builder Spotlight: Synthra - Spot, Concentrated Liquidity, and Perpetual Markets on Arc

Tower Exchange is a stablecoin-focused DEX aggregator built on the Arc blockchain, designed to unify liquidity across Arc’s decentralized exchanges and help users access better execution through a single interface. Tower combines smart routing across liquidity sources with integrated bridging across supported chains, while its AI assistant helps users understand portfolios, trades, and performance through natural-language insights.---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 <a href="https://www.circle.com/legal/licenses?_gl=1*chseek*_gcl_au*MjQyNzQzODQ3LjE3NzAxMjkxNjguNTMzMTg2Mjc2LjE3NzIxMTg1NTcuMTc3MjExODc1Nw.." rel="noopener noreferrer" target="_blank">here</a>.

Arc Builder Spotlight: Tower Exchange - Native Stablecoin DEX Aggregation on Arc

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