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Stacks.js

JavaScript/TypeScript SDK for Stacks transactions and wallet connections.

Stacks.js

Stacks Labs

Best for JavaScript/TypeScript SDK for Stacks transactions and wallet connections

Chains
Stacks
Price
Free (open source)

A set of JavaScript packages under the @stacks scope (transactions, connect, network, stacking, wallet-sdk) for building and signing transactions, deploying and calling Clarity contracts, and connecting wallets in web or React Native apps. Free and open source. Its docs name Stacks mainnet (the default), testnet and devnet.

Catch Split into many packages, so you have to work out which ones you need

Visit Stacks.js Checked Oct 17, 2026 against the maker's page for Stacks.js (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 Stacks.js

Which blockchains does Stacks.js support?
The maker's docs name mainnet support for Stacks. Every chain links to the maker's own page above.
How much does Stacks.js cost?
Free (open source).
Is Stacks.js open source?
Yes.

Docs: docs.stacks.co/stacks.js/overview.md

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