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Documentation Index

Fetch the complete documentation index at: https://docs.cloud.coinbase.com/llms.txt

Use this file to discover all available pages before exploring further.

CDP webhooks deliver real-time HTTP notifications for events across your wallets, onchain activity, and onramp/offramp flows. All native CDP webhooks share the same delivery infrastructure, signature scheme, and subscription API.

Quickstart

Create your first webhook subscription in minutes.

Verify signatures

Validate that incoming webhook events are from Coinbase.

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Webhooks by event domain

Onchain Activity

Monitor smart contract events and ERC-20 transfers on Base.

Wallets

Track transactions, signing operations, and delegation grants for Non-Custodial Wallets.

Onramp & Offramp

Real-time status updates for buy and sell transactions.

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Key features

  • Guaranteed delivery: at-least-once delivery for every event.
  • Robust retries: exponential backoff with up to 60 retries per event.
  • Fresh data: < 500ms end-to-end from chain tip for onchain data events.
  • Multi-address monitoring: watch up to 100 wallet addresses under a single subscription with wallet.activity.multi.