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What Custom Webhooks can build
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Access precise data for any on-chain activity. Filter on transactions, debug traces, or events / logs.
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Built with GraphQL and Webhooks so you're immediately notified about important activity.
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Designed to provide scalability for any data engineering need, and resiliency to ensure you receive the data you expect.
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Precise controls enable you to get the exact data you need and nothing else, so you never over-pay.
"Collab.Land needed a flexible webhook solution that is reliable at scale. Alchemy took our input and built Custom Webhooks. This unlocks entirely new capabilities for our product to more effectively and efficiently manage qualifying members for tokenized communities."
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Raymond Feng
CTO and Co-founder, Collab.Land
Explore more of our developer suite
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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
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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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Blockchain connection for ongoing data
Scalable. Customizable. Easy to set up. Websocket notifications for web3 actions you care about.
Code preview
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// 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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