Documentation Index
Fetch the complete documentation index at: https://developers.circle.com/llms.txt
Use this file to discover all available pages before exploring further.
What you can build
Circle provides institutional infrastructure for accessing digital currencies, executing stablecoin FX trades, and enabling stablecoin-backed account services. These tools enable banks, exchanges, payment providers, and fintechs to integrate USDC and EURC into their operations at scale. Key capabilities:- Direct USDC and EURC minting: Access digital currencies directly from Circle, the sole issuer, with 1:1 redemption guarantees.
- Institutional FX execution: Execute stablecoin currency swaps with competitive rates from multiple liquidity providers.
- 24/7 settlement: Trade and settle around the clock with sub-second finality on Arc blockchain.
- Stablecoin-backed accounts: Offer your business customers dedicated accounts with fiat deposits, crypto transfers, and Circle-managed custody.
- Simplified operations: Reduce reliance on multiple intermediaries and bilateral agreements with unified API access.
Choose your product
These products are designed for institutional customers with different use cases:Circle Mint
Mint and redeem USDC and EURC directly from Circle. Manage funds securely
and distribute them to crypto wallets globally, 24/7.
StableFX
Institutional-grade stablecoin FX engine built on Arc. Execute USDC and EURC
trades with aggregated liquidity and smart contract settlement.
Digital Asset Accounts
Offer stablecoin-backed account capabilities to your business customers with
fiat deposits, crypto transfers, and Circle-managed custody.
Circle Mint
Circle Mint is the fastest and most cost-effective way for institutions to access and redeem USDC and EURC. Your Circle Mint account allows you to manage funds securely and distribute them worldwide using a web UI or API integration. Benefits:- Fiat funds from your bank account are automatically converted to USDC and EURC
- Participating banks offer instant settlement programs
- USDC and EURC can always be redeemed 1:1 for US dollars or Euros
- Exchanges and institutional traders
- Wallet providers and custodians
- Banks and payment service providers
- Consumer app companies requiring stablecoin infrastructure
Circle Mint is for institutional customers. Contact
Circle to learn more about accessing the
platform.
StableFX
StableFX is an institutional-grade FX engine that combines Request-for-Quote (RFQ) execution with onchain settlement. This permissioned platform is designed for financial institutions including payment service providers, fintechs, crypto OTC desks, and prime brokers. Key features:- Aggregated liquidity: Access competitive rates from multiple liquidity providers through a single API call
- 24/7 settlement: Trade and settle around the clock with sub-second finality on Arc
- Simplified operations: Replace multiple bilateral agreements with one integration
- Smart contract escrow: Both sides of a trade settle simultaneously or not at all
- Cross-border payment flows with real-time currency conversion
- Institutional treasury management and automated rebalancing
- Embedded FX liquidity services for platforms
- Next-generation remittance solutions with guaranteed settlement
Reach out to your Circle representative to get an
API key for StableFX.
Digital Asset Accounts
Digital Asset Accounts enables distributors such as fintechs, platforms, and marketplaces to offer stablecoin-backed account features to their business end customers. Circle retains custody, compliance, and regulatory oversight under a Direct End-User Custody model. Key features:- Fiat deposits and withdrawals: Fund accounts through wire transfers with automatic stablecoin minting and redemption
- Crypto transfers: Send and receive stablecoins to and from external blockchain addresses
- Internal transfers: Move funds instantly between sub-accounts with no blockchain fees
- Custody balances: Real-time balance visibility with Circle-managed custody
- Fintech wallets with stablecoin-powered account experiences
- Marketplace payouts to sellers and service providers
- SMB financial operating systems with multi-currency support
- Cross-border B2B payment solutions
Reach out to your Circle representative to get API
access for Digital Asset Accounts.
Dive deeper
- Learn about Circle Mint core capabilities including deposits, withdrawals, and transfers.
- Follow the StableFX taker quickstart to request and execute your first USDC to EURC trade.
- Follow the StableFX maker quickstart to fulfill trades and provide liquidity.
- Follow the Digital Asset Accounts fiat funding quickstart to deposit fiat and verify your stablecoin balance.
- Explore Circle Mint supported chains, StableFX supported currencies, and Digital Asset Accounts supported currencies and blockchains.