Get started in our sandbox
Build on open internet infrastructure
Create differentiating experiences for your business with the leading dollar digital currency, powerful account infrastructure and seamless access across the world’s leading blockchains and traditional banking rails.
- Fastest access to USDC
- Flexible APIs
- Faster transactions and less cost
- Control of payments, payouts and accounts
Get started in our sandbox
Build what’s next for payments, finance and internet commerce.
Read our API documentation
Find guides and reference documentation to help you integrate with Circle APIs.
Test with our sample application
Quickly test common payment flows and easily explore payload and response data.
USDC on Discord
Collaborate with other developers on how to build with USDC.
Join the conversation