List of our supported chains with Webhooks and a list of our Webhook API endpoints.
Check out our Webhook Quickstart for details on how to get started with our webhooks.
Webhooks let you receive real-time notifications from Unified API whenever specific blockchain events occur, without needing to poll endpoints. They automatically send signed HTTP POST requests to your server for events like transactions, token transfers, NFTs, and new blocks, enabling fast and reliable event-driven workflows.
Supported Chains
List of all blockchain chains currently supported for webhooks across our providers:
- Ethereum Mainnet
- Ethereum Sepolia
- Arbitrium Mainnet
- Arbitrium Sepolia
- Optimism Mainnet
- Optimism Sepolia
- Polygon Mainnet
- Polygon Mumbai
- Polygon Amoy
- Zksync Mainnet
- Zksync Sepolia
- Base
- Base Sepolia
- Avalanche C-Chain
- BNB Smart Chain Mainnet
- BNB Smart Chain Testnet
- Fantom Opera
- Fantom Testnet
- Gnosis
- Gnosis Chiado Testnet
- Solana
Endpoints
| Endpoint | Description |
|---|---|
/webhook/contract-event | Create a webhook that triggers on specific contract events. |
/webhook/{id} | Modify an existing webhook. |
/webhook/address-activity | Establish a webhook for tracking activities related to specified addresses. |
/webhook/solana-address-activity | Set up a webhook specific to address activities on the Solana blockchain. |