Circle Internet Financial, LLC.

This project demonstrates an AI agent that autonomously pays for paywalled services over the x402 protocol using a Circle developer-controlled wallet, settling USDC payments on Arc testnet with no human in the loop.

This sample application demonstrates Cross-Chain Transfer Protocol (CCTP) step-by-step capabilities on testnet networks.

This sample app demonstrates DeFi lending by using cirBTC as collateral to borrow USDC on Arc.

An onchain eCommerce demo on Circle Arc that uses the Commerce Payments Protocol (Coinbase x Shopify) as its payment processor.

This sample app demonstrates stablecoin FX swaps between USDC and EURC using the App Kits Swap SDK on Arc.

This sample app demonstrates a decentralized prediction markets platform powered by UMA protocol on Arc.

Repository for code samples from developer documentation

Repository for Circle Sponsored CCTP Extension contracts

Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol

Terraform Provider for Quicknode