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Circle offers two broad types of developer products, permissioned and permissionless products. Permissioned products require a Circle developer account and an API key, where permissionless products can be integrated with directly with no authentication with Circle. Permissionless products are marked on the cards on this page, all other products are permissioned.

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Assets

USDC

Digital dollar stablecoin for payments and DeFi

EURC

Euro-backed stablecoin for European markets

xReserve

Stablecoins backed 1:1 by USDC reserves

USYC

Tokenized yield-bearing US Treasury product

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Build onchain apps

Wallets: Dev-Controlled

Create wallets and manage them on behalf of your users

Wallets: Modular

Create flexible, customizable wallets with modules

Wallets: User-Controlled

Let your users control their own wallets

Gas Station

Sponsor network fees for your users

Contracts

Build and manage smart contracts

Paymaster

Pay gas fees with USDC

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Crosschain transfers

Use Arc App Kit for simple bridge integrationsArc App Kit’s Bridge is ideal when you want crosschain USDC transfers without low-level protocol work. It works across multiple chains and handles different wallet providers and blockchain types. Best for apps that need to move USDC between specific chains with little setup.

CCTP

Move USDC natively between chains

Gateway

Enable a unified USDC balance

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Payments

Circle Payments Network

Global, real-time settlement

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Mint & FX

Mint

Access and distribute USDC liquidity

StableFX

Integrate FX for stablecoins