Solana Slot Handlers
Solana Slot Handlers is Run logic on every Solana slot or an interval with indexer.onSlot, and enrich it with RPC data via the Effect API.. It is ranked #10 on the Dev Radar, in Backend & APIs, first seen 19 days ago and shared in 66 posts (11.8k views).
Solana Slot Handlers | Envio For AI agents: the documentation index is at /llms.txt . Markdown versions of pages are available by appending .md to the URL. Skip to main content On this page Slot Handlers indexer.onSlot runs logic on every slot or at an interval, the Solana equivalent of EVM block handlers . Use it for time-series snapshots, periodic aggregations, or pulling extra data from RPC on a schedule with the Effect API . For indexing program activity, reach for instruction handlers instead. import { indexer } from "envio" ; indexer . onSlot ( { name : "MySlotHandler" } , async ( { slot , context } ) => { context . log . info ( `…
What people said about Solana Slot Handlers on X
I was reading into @SCBuergel's findings on nodes silently missing events and wanted to highlight a neat aspect of HyperSync. Because HyperSync absorbs the entire block rather than querying for individual events, it can cryptographically verify the data against the block itself and detect if anything is missing.…
— @DenhamPreen, 9 days ago · 10 likes · see the post
Building on @ScaffoldETH 2 and want an indexer wired in without writing one? Deploy, hit Generate, then run it. https://docs.envio.dev/docs/HyperIndex/scaffold-eth-2-extension-tutorial
— @envio_indexer, 11 days ago · 9 likes · see the post
Need periodic snapshots on @solana, not just data when a program fires? indexer.onSlot runs on every slot or at an interval. Slot handlers self-register, so no config.yaml entry beyond the chain itself. The handler argument is a plain slot number, not a block object, so pair it with an Effect when you need the block.…
— @envio_indexer, 19 days ago · 6 likes · see the post
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Solana Slot Handlers in numbers
- Rank on the Dev Radar: #10 of 1694
- Shared in 66 posts by 2 accounts: @DenhamPreen, @envio_indexer
- 11.8k views on those posts
- First seen 19 days ago, last shared 4 h ago
- Pricing seen by Jev: not stated
- Market: Backend & APIs
FAQ
What is Solana Slot Handlers?
Run logic on every Solana slot or an interval with indexer.onSlot, and enrich it with RPC data via the Effect API. It was first shared on X 19 days ago and is ranked #10 on the Dev Radar.
Is Solana Slot Handlers free?
Pricing is not stated on the page we read.
Who shared Solana Slot Handlers?
2 accounts on X, including @DenhamPreen, @envio_indexer, in 66 posts totalling 11.8k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 15.1k posts from 4.7k X accounts over the last 21 days, 1.7k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 22:52 UTC. Full method.