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Onchain webhooks enable developers to receive real-time notifications for any event from any contract on Base with guaranteed delivery. Developers can access our webhooks via the CDP’s REST endpoints.

Key Features

  • Guaranteed Delivery: Receive events with an at-least-once delivery guarantee.
  • Robust Retries: Exponential backoff with up to 60 retries per event.
  • Responsive: Get notified of any onchain action with < 30ms latency.
  • Fresh: < 500ms end-to-end from tip of chain.

Use Cases

  • Stablecoin Movement: Subscribe to USDC transfers and get notified instantly when digital dollars change hands.
  • NFT Ownership Tracking: Track wallet transfers on any ERC721 contract.
  • New Token Pair Creation: Get notified when a new Uniswap pool is initialized.
  • Yield Emission Changes: Optimize yield in real-time by tracking changes in vault emissions.

Supported Networks

  • Base

Support and feedback

Join #onchain-data in the CDP Discord to access FAQs, schedule project discussions, and connect with other developers. We welcome your feedback and suggestions for improvement.
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