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:
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
A new customer is forming for API providers: autonomous agents.
With x402 and Circle Agent Stack, agents can discover your API, pay per request in USDC, and use your service without a checkout page, account setup, or subscription.
Turn your endpoint into an agent-ready service:
Relay integrated Circle Gateway to make crosschain payment liquidity easier to scale.
Instead of pre-positioning USDC across every network, @RelayProtocol can use a unified balance and draw from it when destination-chain inventory runs low.
For builders, that means a cleaner
Relay is using Circle Gateway to scale crosschain payments with less idle capital.
With a unified USDC balance across supported chains, @RelayProtocol can:
→ Replenish destination-chain liquidity on demand in under 500 milliseconds
→ Clear larger payments that previously could
