Circle Developer (@BuildOnCircle) / X

Circle Developer

3,655 posts

Circle Developer

@BuildOnCircle

🛠️Build on @Circle with @USDC innovating for an inclusive future | Join our discord for support at circle.com/discord

Circle.com/discord

circle.com/developers

Joined March 2023

Pinned
Circle Developer
@BuildOnCircle
Nov 5, 2025
Bridge Kit now supports @arc Testnet! Bridge Kit makes it easy to build crosschain experiences with @USDC and CCTP V2 in under ten lines of code: → Intuitive SDK methods → Built-in monetization support → Flexible setup → Step-by-step tutorials Get started with Bridge Kit:
Circle Developer
@BuildOnCircle
Aug 7
Treasury belongs where your users are. Bridge USDC across chains with one SDK call using App Kit and Circle Forwarding Service. No destination wallet management. No attestation polling. Just liquidity where it’s needed. Try it: docs.arc.io/app-kit/tutori…
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Circle Developer
@BuildOnCircle
Aug 7
Native USDC and CCTP are now live on @XLayerOfficial! → Build with the world’s largest regulated dollar stablecoin → Manage payouts, treasury, payments, and crosschain flows → Power seamless USDC movement with CCTP → Easily integrate USDC into your apps Start building
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Circle Developer
@BuildOnCircle
Aug 6
Gateway now supports ERC-1271 for transfer authorization. That means smart contracts and smart wallets can authorize Gateway transfers through signature validation, without relying on an EOA delegate. In this Release Notes episode, learn about: → Setting contractSigner: true
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Circle Developer
@BuildOnCircle
Jul 31
Your Circle Agent Stack can now stay up to date with less manual work. In this Release Notes episode, we walk through: → Circle update to upgrade the Circle CLI in place → Update notices when a newer CLI version is available → Circle skill update --tool claude-code to keep
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