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Chainhook

Webhook streams of Stacks onchain events, with reorg handling.

Chainhook

Hiro

Best for Webhook streams of Stacks onchain events, with reorg handling

Chains
Stacks (network not stated)* Docs name the chain but not the network.
Price
Free (open source)

An event-streaming tool: set JSON filters for token activity, contract calls or blocks and it sends matching Stacks data to your backend, rolling back data when Bitcoin or Stacks reorgs. Hiro says it is open source; its pages give no price or limits for the hosted service. Its docs name Stacks.

Catch No stated price or limits for Hiro's hosted service

Visit Chainhook Checked Oct 17, 2026 against the maker's page for Chainhook (price and verdict source)

Chain support, with sources

We only add a chain when the maker's own docs name it. "EVM-compatible" alone counts for no specific chain. A testnet-only record means the page we checked only shows testnet; it isn't a finding that mainnet is unsupported. This is what the docs say, not a test or security review.

Common questions about Chainhook

Which blockchains does Chainhook support?
They name Stacks without saying which network. Every chain links to the maker's own page above.
How much does Chainhook cost?
Free (open source).
Is Chainhook open source?
Yes.

Docs: docs.hiro.so/tools/chainhook

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