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    92 repositories

    • arc-node

      Public
      The Economic OS for the internet
      rustblockchainarc
      rustblockchainarcevmusdcmalachite-engine
      Rust
      •
      Apache License 2.0
      •112•142•59•70•Updated Jul 17, 2026Jul 17, 2026

    • payments-sample-app

      Public
      Vue
      •
      Apache License 2.0
      •38•17•9•10•Updated Jul 16, 2026Jul 16, 2026

    • arc-ecommerce-payments

      Public
      An onchain eCommerce demo on Circle Arc that uses the Commerce Payments Protocol (Coinbase x Shopify) as its payment processor.
      TypeScript
      •
      Apache License 2.0
      •1•0•0•3•Updated Jul 16, 2026Jul 16, 2026

    • arc-fintech

      Public
      This sample app demonstrates a multi-chain treasury management system with cross-chain interoperability.
      TypeScript
      •
      Apache License 2.0
      •35•36•1•24•Updated Jul 15, 2026Jul 15, 2026

    • stellar-cctp

      Public
      Source repository for Stellar smart contracts used by the Cross-Chain Transfer Protocol
      Rust
      •
      Apache License 2.0
      •7•4•1•18•Updated Jul 15, 2026Jul 15, 2026

    • malachite

      Public
      Flexible BFT consensus engine in Rust
      rustconsensusbft
      rustconsensusbfttendermintmalachite-engine
      Rust
      •
      Apache License 2.0
      •133•435•72•15•Updated Jul 15, 2026Jul 15, 2026

    • arc-commerce

      Public
      This sample app demonstrates how to integrate USDC as a payment method for purchasing credits on Arc.
      TypeScript
      •
      Apache License 2.0
      •35•55•2•21•Updated Jul 15, 2026Jul 15, 2026

    • modularwallets-web-sdk

      Public
      Public source mirror and examples for Circle's Modular Wallets Web SDK.
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •29•22•0•5•Updated Jul 15, 2026Jul 15, 2026

    • cctp-go

      Public
      Go bindings and CLI for CCTP
      Go
      •
      GNU Lesser General Public License v3.0
      •4•2•0•5•Updated Jul 10, 2026Jul 10, 2026

    • w3s-react-native-sample-app-wallets

      Public
      Explore React Native mobile sample applications to learn and understand the capabilities of Circle's Web3 Services. This sample application provides a practical…
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •12•15•0•10•Updated Jul 10, 2026Jul 10, 2026

    • circle-bridge-kit-transfer

      Public
      A sample application that demonstrates how to use Bridge Kit to make cross chain USDC transfers with a wallet connect experience.
      TypeScript
      •
      Apache License 2.0
      •11•8•0•7•Updated Jul 9, 2026Jul 9, 2026

    • agent-stack-starter-kits

      Public
      Runnable examples integrating Circle Agent Stack with LangChain, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK and Google ADK.
      TypeScript
      •
      Apache License 2.0
      •8•20•0•1•Updated Jul 7, 2026Jul 7, 2026

    • circle-public-github-workflows

      Public
      github-actions
      github-actions
      Apache License 2.0
      •10•1•0•2•Updated Jul 1, 2026Jul 1, 2026

    • circle-ooak

      Public
      OOAK: Object-Oriented Agent Kit.
      workflowresearchai
      workflowresearchaiintentsagents
      Python
      •
      Apache License 2.0
      •8•19•0•3•Updated Jul 1, 2026Jul 1, 2026

    • terraform-provider-quicknode

      Public
      Terraform Provider for Quicknode
      terraformterraform-providerquicknode
      terraformterraform-providerquicknode
      Go
      •
      Apache License 2.0
      •12•3•0•6•Updated Jun 29, 2026Jun 29, 2026

    • buidl-wallet-contracts

      Public
      Official repository for all buidl wallet contracts
      Solidity
      •
      GNU General Public License v3.0
      •43•17•3•16•Updated Jun 29, 2026Jun 29, 2026

    • arc-defi-lend-borrow

      Public
      This sample app demonstrates DeFi lending by using cirBTC as collateral to borrow USDC on Arc.
      TypeScript
      •
      Apache License 2.0
      •15•10•0•7•Updated Jun 29, 2026Jun 29, 2026

    • arc-stablecoin-fx

      Public
      This sample app demonstrates stablecoin FX swaps between USDC and EURC using the App Kits Swap SDK on Arc.
      TypeScript
      •
      Apache License 2.0
      •8•8•1•8•Updated Jun 29, 2026Jun 29, 2026

    • arc-nanopayments

      Public
      This sample app demonstrates gasless USDC nanopayments using Circle Nanopayments on Arc.
      TypeScript
      •
      Apache License 2.0
      •31•29•2•22•Updated Jun 29, 2026Jun 29, 2026

    • circle-cctp-crosschain-transfer

      Public
      This sample application demonstrates Cross-Chain Transfer Protocol (CCTP) step-by-step capabilities on testnet networks.
      TypeScript
      •
      Apache License 2.0
      •23•13•0•5•Updated Jun 29, 2026Jun 29, 2026

    • stablecoin-evm

      Public
      Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains
      TypeScript
      •
      Apache License 2.0
      •569•780•22•100•Updated Jun 26, 2026Jun 26, 2026

    • arc-remote-signer

      Public
      Secure remote signing service for Arc Network using AWS Nitro Enclaves
      golangsigningblockchain
      golangsigningblockchainarcnitro-enclaves
      Go
      •
      Apache License 2.0
      •8•6•0•4•Updated Jun 26, 2026Jun 26, 2026

    • evm-cpn-contracts

      Public
      Official repository for all EVM-compatible smart contracts used by the Circle Payments Network
      blockchainpaymentsevm
      blockchainpaymentsevmsmart-contractusdc
      Solidity
      •
      Apache License 2.0
      •9•2•0•6•Updated Jun 25, 2026Jun 25, 2026

    • stablecoin-xlm

      Public
      Source repository for smart contracts used by Circle's stablecoins on the Stellar blockchain
      Rust
      •
      Apache License 2.0
      •11•2•0•12•Updated Jun 23, 2026Jun 23, 2026

    • arc-p2p-payments

      Public
      This sample app demonstrates a seamless, gasless P2P payment system on Arc.
      TypeScript
      •
      Apache License 2.0
      •13•19•1•11•Updated Jun 22, 2026Jun 22, 2026

    • skills

      Public
      Circle's open source skills for AI-assisted development.
      Apache License 2.0
      •37•133•6•16•Updated Jun 22, 2026Jun 22, 2026

    • hyperevm-circle-contracts

      Public
      Repository for all HyperEVM contracts developed by Circle
      Solidity
      •
      Apache License 2.0
      •7•10•0•3•Updated Jun 18, 2026Jun 18, 2026

    • copilot-metrics-viewer

      Public
      Tool to visualize the Copilot metrics provided via the Copilot Business Metrics API (current in public beta)
      Bicep
      •
      MIT License
      •324•0•0•7•Updated Jun 18, 2026Jun 18, 2026

    • noble-fiattokenfactory

      Public
      Repository for Noble fiat token factory code
      Go
      •
      Apache License 2.0
      •29•9•3•25•Updated Jun 18, 2026Jun 18, 2026

    • arc-multichain-wallet

      Public
      This sample app emonstrates how developers can build the best USDC interoperability UX for wallets using Arc and Gateway.
      TypeScript
      •
      Apache License 2.0
      •34•36•1•23•Updated Jun 18, 2026Jun 18, 2026
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