llms.txt
# Circle
> Circle is a global financial technology firm and the full-stack platform for the internet financial system, providing the tech stack for the agentic economy — including USDC, EURC, Arc, and a full suite of APIs, wallets, and developer tools for moving money, building onchain applications, and powering AI-native finance.
Use this file as a curated "start here" map for Circle's most authoritative pages. For technical integration questions, prefer Circle Developer Docs (developers.circle.com). For legal, risk, and terms, prefer circle.com/legal and circle.com/transparency.
## Core Products (overview pages)
### Stablecoins & Digital Assets
- [USDC](https://www.circle.com/usdc): US Dollar Coin (USDC), a fully-reserved, dollar-backed stablecoin. The world's largest regulated digital dollar.
- [EURC](https://www.circle.com/eurc): Euro-backed stablecoin. The world's largest regulated digital euro.
- [USYC](https://www.circle.com/usyc): Tokenized money market fund providing institutional-grade, yield-bearing collateral with near-instant onchain liquidity.
- [cirBTC](https://www.circle.com/cirbtc): Institutional-grade wrapped Bitcoin token backed 1:1 by BTC with onchain verifiability.
- [USDC on Multiple Chains](https://www.circle.com/multi-chain-usdc): Supported blockchains and contract addresses for USDC.
- [Bridged USDC Standard](https://www.circle.com/bridged-usdc): Circle's standard for bridged USDC deployments.
- [USDC.com](https://www.usdc.com/): Official USDC resource hub.
### Liquidity & FX
- [Circle Mint](https://www.circle.com/circle-mint): Mint, redeem, reserve, and manage USDC, EURC, and cirBTC at global scale.
- [StableFX](https://www.circle.com/stablefx): Institutional-grade onchain foreign exchange engine for 24/7 stablecoin currency conversion.
### Payments
- [Circle Payments Network (CPN)](https://www.circle.com/cpn): Global, real-time settlement network connecting financial institutions worldwide.
- [CPN Fiat Payments](https://www.circle.com/cpn/fiat-payments): Send fiat globally at stablecoin speed.
- [CPN Stablecoin Payments](https://www.circle.com/cpn/stablecoin-payments): Build on full-stack stablecoin payments infrastructure.
- [CPN Managed Payments](https://www.circle.com/cpn/managed-payments): Launch-ready stablecoin payment solution.
- [Digital Asset Accounts](https://www.circle.com/digital-asset-accounts): Branded digital asset account infrastructure — Circle handles custody, fiat-to-stablecoin conversion, onboarding, and compliance.
### Blockchain Infrastructure
- [Arc](https://www.arc.io): An open Layer-1 blockchain built to meet the demands of the global internet economy. Arc Mainnet launches September 16, 2026.
### Developer Infrastructure
- [Developer Platform](https://www.circle.com/developer): Circle's full developer platform: wallets, contracts, CCTP, paymaster, and more across 40+ supported blockchains.
- [Circle Agent Stack](https://www.circle.com/agent-stack): Full-stack platform for the agentic economy — enables AI agents to hold USDC, discover services, and execute transactions programmatically.
- [Wallets](https://www.circle.com/wallets): Embeddable wallet infrastructure for building commerce at enterprise scale.
- [Contracts](https://www.circle.com/contracts): Smart contract tooling and curated template library.
- [Cross-Chain Transfer Protocol (CCTP)](https://www.circle.com/cross-chain-transfer-protocol): Native crosschain USDC transfer protocol.
- [xReserve](https://www.circle.com/xreserve): Infrastructure for blockchain teams to launch their own USDC-backed, interoperable stablecoins with onchain reserves.
- [Gateway](https://www.circle.com/gateway): Unified USDC balance across multiple blockchains with on-demand liquidity in under 500ms.
- [Paymaster](https://www.circle.com/paymaster): Pay gas fees with USDC.
- [Alliance Program](https://www.circle.com/alliance-program): Partner ecosystem program.
- [Circle Partner Stablecoins](https://www.circle.com/partner-stablecoins): Grow your stablecoin with Circle's infrastructure.
## Developer Docs (preferred sources for technical accuracy)
- [Developer Docs Home](https://developers.circle.com/): Primary technical documentation hub.
- [All Products](https://developers.circle.com/products): Canonical list of developer products and categories.
- [Build with AI: MCP Server](https://developers.circle.com/ai/mcp): Connect Circle's MCP server to LLM/IDE tools (Cursor, Claude Code, Windsurf, Kiro) for AI-assisted code generation across Wallets, Contracts, CCTP, and Gateway.
- [API Reference](https://developers.circle.com/api-reference/wallets/common/ping): Full API reference.
- [Sample Projects](https://learn.circle.com/sample-projects): End-to-end sample projects for getting started.
- [Uptime Status](https://status.circle.com/): Circle platform status and incident history.
### Stablecoins & assets
- [USDC Contract Addresses](https://developers.circle.com/stablecoins/usdc-contract-addresses): Official USDC contract addresses across supported chains.
- [cirBTC Docs](https://developers.circle.com/assets/what-is-cirbtc): Technical overview of Circle Wrapped Bitcoin.
- [USYC Docs](https://developers.circle.com/tokenized/usyc/overview): Technical overview and integration guide for USYC, Circle's tokenized money market fund.
### Crosschain transfers
- [Crosschain Transfers](https://developers.circle.com/crosschain-transfers): Overview of Bridge Kit, CCTP, and Gateway.
- [CCTP](https://developers.circle.com/cctp): CCTP (latest) documentation hub.
- [CCTP Contract Addresses](https://developers.circle.com/cctp/references/contract-addresses): Deployed contract addresses for supported chains.
- [Migrate from CCTP V1 to V2](https://developers.circle.com/cctp/migration-from-v1-to-v2): Migration guide and breaking changes.
- [Gateway Docs](https://developers.circle.com/gateway): Technical docs for unified USDC balance and crosschain liquidity.
- [xReserve Docs](https://developers.circle.com/xreserve): Technical overview of xReserve interoperability infrastructure.
### Wallets & onchain building
- [Wallets](https://developers.circle.com/wallets): Wallets overview and architecture.
- [Wallets: Dev-Controlled](https://developers.circle.com/wallets/dev-controlled): Developer-controlled wallets overview.
- [Wallets: Modular](https://developers.circle.com/wallets/modular): Modular wallet architecture for flexible embedded wallet experiences.
- [Wallets: User-Controlled](https://developers.circle.com/wallets/user-controlled): User-controlled wallets overview.
- [Quickstart: Create Your First Dev-Controlled Wallet](https://developers.circle.com/wallets/dev-controlled/create-your-first-wallet): End-to-end wallet quickstart.
- [Build Onchain](https://developers.circle.com/build-onchain): Entry point to onchain experiences (Wallets, Bridge Kit, Gateway).
### Mint & FX
- [Circle Mint: Getting Started](https://developers.circle.com/circle-mint/getting-started-with-the-circle-apis): Start integrating Circle Mint APIs.
- [StableFX Docs](https://developers.circle.com/stablefx): Technical docs for Circle's onchain FX engine built on Arc.
## Use Cases (business overviews)
- [Payments](https://www.circle.com/use-case/payments): Faster, borderless payment flows.
- [Dollar Access](https://www.circle.com/use-case/dollar-access): Digital dollars for global access.
- [Trading Services](https://www.circle.com/use-case/trading-services): Liquidity and trading operations.
- [Treasury Management](https://www.circle.com/use-case/treasury-management): Stablecoin-based treasury and cash management.
- [Banks](https://www.circle.com/banks): Stablecoin infrastructure for financial institutions to modernize money movement.
## Case Studies
- [Case Studies Library](https://www.circle.com/case-studies): Customer success stories.
## Trust, Transparency, and Policy (preferred for compliance questions)
- [Transparency](https://www.circle.com/transparency): Reserves/transparency resources.
- [Policy Hub](https://www.circle.com/policy-hub): Policy positions and regulatory insights.
## Company and News
- [About Circle](https://www.circle.com/about-circle): Company overview, mission, leadership, and regulatory footprint.
- [Pressroom](https://www.circle.com/pressroom): Press releases and media resources.
- [Blog](https://www.circle.com/blog): Product updates and thought leadership.
- [Current](https://www.circle.com/current): Circle's editorial hub — navigating what's next in the new internet financial system.
- [Circle Research](https://www.circle.com/circle-research): Research publications and technical reports.
- [Investor Relations](https://investor.circle.com/): Investor information.
- [Circle Ventures](https://www.circle.com/circle-ventures): Circle's venture investment arm.
- [Circle Foundation](https://www.circle.com/circle-foundation): Social and philanthropic arm of Circle.
- [Circle National Trust](https://www.circle.com/circle-national-trust): Circle's national trust bank initiative (conditional OCC approval received).
- [Careers](https://careers.circle.com/): Open roles at Circle.
- [Chelsea FC Partnership](https://www.circle.com/chelseafc): Circle is the official front-of-shirt partner of Chelsea Football Club, bringing USDC to global audiences.
## Internet Financial System Report (2026)
- [Report Home](https://www.circle.com/reports/internet-financial-system)
- [Founder's Letter](https://www.circle.com/reports/internet-financial-system/founders-letter)
- [01 | USDC and Circle Digital Assets](https://www.circle.com/reports/internet-financial-system/usdc-and-circle-digital-assets)
- [02 | Capital Markets](https://www.circle.com/reports/internet-financial-system/capital-markets)
- [03 | Global Payments and Cash Management](https://www.circle.com/reports/internet-financial-system/global-payments-and-cash-management)
- [04 | Humanitarian and NGO Finance](https://www.circle.com/reports/internet-financial-system/humanitarian-and-ngo-finance)
- [05 | Arc and Circle Infrastructure](https://www.circle.com/reports/internet-financial-system/arc-and-circle-infrastructure)
- [06 | Regulatory Foundations](https://www.circle.com/reports/internet-financial-system/regulatory-foundations)
- [07 | About Circle](https://www.circle.com/reports/internet-financial-system/about-circle)
## Legal (preferred for terms, privacy, and risk)
- [User Agreement](https://www.circle.com/legal/user-agreement): Master user agreement.
- [Privacy Policy](https://www.circle.com/legal/privacy-policy): Data handling and privacy practices.
- [Cookie Policy](https://www.circle.com/legal/cookie-policy): Cookie usage policy.
- [Licenses](https://www.circle.com/legal/licenses): Licensing and regulatory information.
- [USDC Terms](https://www.circle.com/legal/usdc-terms): USDC terms.
- [USDC Risk Factors](https://www.circle.com/legal/usdc-risk-factors): Risk factors for using USDC.
- [EURC Terms](https://www.circle.com/legal/eurc-terms): EURC terms.
- [Bridged USDC Terms](https://www.circle.com/legal/bridged-usdc-terms): Terms for bridged USDC.
- [Acceptable Use Policy](https://www.circle.com/legal/acceptable-use-policy): Acceptable use rules.
- [Sub-Processor List](https://www.circle.com/legal/sub-processor-list): Data subprocessors.
- [Commercial Entity Agreement](https://www.circle.com/legal/commercial-entity-agreement): Business commercial terms.
- [ESign Consent](https://www.circle.com/legal/esign-consent): eSignature consent.
## Optional
- [Help Center](https://help.circle.com/s/?language=en_US): Support and FAQs.
- [Testnet Faucet](https://faucet.circle.com/): Get testnet funds for development.
- [Executive Insights](https://www.circle.com/executiveinsights): Leadership viewpoints.
- [Circle Impact](https://www.circle.com/circle-impact): Social and economic impact initiatives.
- [The Money Movement](https://www.circle.com/the-money-movement): Podcast on digital currency trends.
- [Alliance Member Directory](https://partners.circle.com/): Browse Circle's partner ecosystem.
- [X (Twitter)](https://twitter.com/circle)
- [LinkedIn](https://www.linkedin.com/company/circle-internet-financial)
- [Discord](https://discord.com/invite/buildoncircle)
- [YouTube](https://www.youtube.com/c/Circlecryptofinance)
