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Supported Events
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Power your team’s operational monitoring and alerting systems with notifications for any internal, ETH or token (ERC20 or ERC721) dropped transaction.
![Analytics Icon](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1701477538-analytics-icon.png&w=640&q=75)
Stream up-to-date sales data to your marketplace, analytics tool, or exchange and notify users when they successfully send or receive ERC721 and ERC1155 NFTs.
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Get notified when metadata changes, e.g., during a reveal, and integrate the updated data into your wallet, gallery or indexer.
![alchemy monitor icon](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1701477552-monitor-icon.png&w=640&q=75)
Custom filters and custom responses to track any blockchain event in real-time. Infinite data access, with precise data controls.
![Security](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1701477419-security-icon.png&w=640&q=75)
Increased security with static IP addresses and one authentication token per webhook - so if one webhook is compromised, others will not be.
![savings-icon](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1701477477-savings-icon.png&w=640&q=75)
See how we saved more than $3M annually moving workloads from excessive RPC calls to Alchemy Notify's push based notifications.
![Reliability](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1701477530-reliability-icon.png&w=640&q=75)
Alchemy webhook notifications guarantee “at-least-once” delivery, so you can rest easy knowing you won’t miss an event.
"Alchemy Webhooks is a best-in-class feature that allowed us to deliver the best push notifications for Ethereum while minimizing upkeep and engineer hours. We estimate we save $240,000 each year with Alchemy Webhooks."
![Wayne Cheng headshot](/_next/image?url=https%3A%2F%2Fwww.datocms-assets.com%2F105223%2F1699424655-wayne-cheng-rainbow-wallet.png&w=256&q=75)
Wayne Cheng
CTO, Rainbow
Explore more of our developer suite
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Blockchain connection for ongoing data
Scalable. Customizable. Easy to set up. Websocket notifications for web3 actions you care about.
Code preview
// initiate websocket stream first
wscat -c wss://eth-mainnet.g.alchemy.com/v2/demo
// then call subscription
{"jsonrpc":"2.0","id": 1, "method": "eth_subscribe", "params": ["logs", {"address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48", "topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}]}
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Speedy indexing for custom GraphQL APIs
Ship faster with a custom API for your onchain data. Never worry about subgraph downtime or lag again.
Code preview
cd <SUBGRAPH_DIRECTORY>
graph deploy <SUBGRAPH_NAME> \
--version-label <VERSION_NAME> \
--node https://subgraphs.alchemy.com/api/subgraphs/deploy \
--deploy-key <DEPLOY_KEY>
--ipfs https://ipfs.satsuma.xyz
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