Event-driven channels

Circle

Circle Internet Financial is the issuer of USDC and EURC and operates a developer platform for moving regulated stablecoin money across the internet. Their APIs cover programmable wallets (developer- and user-controlled), gas sponsorship, the Cross-Chain Transfer Protocol (CCTP), Gateway unified bal

5 channels across 1 AsyncAPI spec · Provider profile

Channels

/circle/contracts

Subscriber endpoint that receives Smart Contract Platform event-log notifications. The webhook fires when an event matching a configured event monitor is observed onchain.

Circle Webhook Notifications
/circle/cpn

Subscriber endpoint that receives Circle Payments Network notifications for an OFI. A single subscription delivers payment lifecycle, RFI, onchain transaction and refund events. Subscribe with `notifi

Circle Webhook Notifications
/circle/gateway

Subscriber endpoint that receives Circle Gateway permissionless notifications. Subscribers can filter by `notificationTypes`, `addresses` and `domains` on the subscription resource. Use `gateway.*` to

Circle Webhook Notifications
/circle/stablefx

Subscriber endpoint that receives StableFX notifications for Arc-based stablecoin FX trades. Subscribers can subscribe to specific trade or contract events, or use `stablefx.trade.*` / `stablefx.contr

Circle Webhook Notifications
/circle/webhooks-test

Synthetic notification used by the "send test notification" operation on each Circle subscription resource (for example `POST /v2/notifications/subscriptions/permissionless/{id}/test`). Delivered to t

Circle Webhook Notifications