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On March 8th, there were over 585k new blocks across Ethereum, Polygon, Optimism and Arbitrum, equating to millions of transactions and events in a single day. Not only is this a massive amount of information, but it's often incomprehensibly formatted on its own. Figuring out how to integrate this data to enhance modern applications is one of the biggest challenges in web3.
Today, we’re excited to announce Alchemy Notify’s Custom Webhooks, giving you access to real-time notifications for any on-chain event. A shortlist of the infinite data you can get instantly updated on:
RabbitHole, the team enabling on-chain work through quests and reward-based activities, are early product adopters. They've implemented Custom Webhooks to ingest transaction-level data to confirm users have completed their tasks.
"With Custom Webhooks, we have gained the flexibility to receive notifications about the precise on-chain activities we care about. By implementing this pattern for our system, we can now receive webhook notifications with retry functionality, ensuring a more robust integration with on-chain data. As a result, we are able to move faster and with greater peace of mind." - Garrett Hughes, Head of Engineering, RabbitHole
With infinite data access and precise data controls, stream the data you care about, and ingest the information in the most usable format for your app.
Welcome to the next generation of web3.
Blockchain networks, at their core, serve as a modern decentralized database, but the structure of blockchain data can be problematic for a few reasons:
There is a growing need to solve these problems with robust data infrastructure that can parse and transform blockchain data faster and easier.
Through two key dimensions, flexibility and control, Custom Webhooks effectively solves the challenges of blockchain data.
Previous webhook solutions covered only pre-defined, transfers-based events. Now, with Custom Webhooks, understand any contract-based event, from token and marketplace activity, to comprehensive data ingestion.
On its own, infinite data choice is not necessarily useful. But with custom filters, easily filter unnecessary information to receive the precise blockchain data you need.
Together, these two dimensions underscore the core value of Custom Webhooks: data that is expansive and precise.
In addition to flexibility and control, Custom Webhooks come with a few other key benefits including performance, cost savings, and reliability.
Built with GraphQL and webhooks so that in a single push, you're immediately notified about the most recent blockchain data changes.
Transactions can include a lot of associated data values by default. With Custom Webhooks, curate exactly what web3 data you need, so you never overpay or send superfluous requests.
Custom Webhooks provide infrastructure that is designed to ensure resiliency and scalability for any data engineering need. This means you can use the data to build simple notification systems or robust data ingestion pipelines.
We built Custom Webhooks because of extensive feedback from our customers who wanted webhooks with greater flexibility. We learned that at a high level, there are three core use cases for Custom Webhooks: notification systems, tracking specific types of on-chain activity, and data ingestion.
Stream real-time notifications and alerts, anytime a specific type of event happens on the blockchain. Pipe these web3 alerts to platforms like Discord, Twitter, Slack, Telegram, etc., to easily notify your community.
With Custom Webhooks, easily track token activity (approvals, staking, mints, etc.), marketplace activity (swaps, atomic trades, etc.), oracle activity (attestations of off-chain data), or any other event-based activity that you care about.
Push data into your own database to transform and enrich the data, however is useful for you and your customers. Set up Custom Webhooks once, and always keep your databases up to date with the latest blockchain information.
During the Custom Webhooks private beta, companies like Collab.Land, The Indexing Company, and RabbitHole have started using Custom Webhooks to uplevel their products and user experiences.
Our partners at Collab.Land have built one of the most preeminent web3 platforms, designed to enable the creation of communities based on token ownership. Using Custom Webhooks, Collab.Land’s customers can create communities not just based on token gating, but also advanced token actions, like staking, lending, and more.
"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." - Raymond Feng, CTO, Collab.Land
Our partners at The Indexing Company offer indexing as a service, creating curated data pipelines for their customers. They’ve already started using Custom Webhooks to power these pipelines, a useful replacement to their previous solution: repeatedly polling RPC nodes, fetching all the data in a new block, then parsing the data to see if it met their customer needs.
“Custom Webhooks was incredibly quick and easy to implement. It took us less than 30 minutes to set up and has led to 3x faster, 24% cheaper architecture for us and our customers. Custom Webhooks have enabled us to significantly simplify our blockchain adapters, all without sacrificing on the exact data our customers need." - Brock Haugen, CEO & Co-Founder, The Indexing Company
Custom Webhooks is the newest real-time data solution within Alchemy Notify. All other existing Alchemy Notify solutions are designed to give you access to specific, transfer-based events, e.g., mined transactions or NFT activity. Custom Webhooks is a complement to these solutions, now giving you access to totally undefined, custom blockchain data.
Custom Webhooks is available for all Alchemy developers today. Get started for free.
Alchemy Notify’s Custom Webhooks are now available for all Alchemy developers building on:
Custom Webhooks are also supported on Goerli testnets for Ethereum, Optimism, and Arbitrum, as well as Mumbai testnet on Polygon.