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Sui TypeScript SDK (@mysten/sui)

Building and signing Sui transactions from TypeScript apps.

Sui TypeScript SDK (@mysten/sui)

Mysten Labs

Best for Building and signing Sui transactions from TypeScript apps

Chains
Sui
Price
Free (open source)
License
Apache-2.0

A modular TypeScript library for querying Sui nodes, building and signing transactions, and working against local, testnet or mainnet networks. It is free and Apache-2.0 licensed. The package is ESM-only, and Mysten's public endpoints are rate-limited, so production apps need their own RPC provider.

Catch Public Mysten endpoints are rate-limited; bring your own RPC for production traffic

Visit Sui TypeScript SDK (@mysten/sui) Checked Oct 17, 2026 against the maker's page for Sui TypeScript SDK (@mysten/sui) (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 Sui TypeScript SDK (@mysten/sui)

Which blockchains does Sui TypeScript SDK (@mysten/sui) support?
The maker's docs name mainnet support for Sui. Every chain links to the maker's own page above.
How much does Sui TypeScript SDK (@mysten/sui) cost?
Free (open source).
Is Sui TypeScript SDK (@mysten/sui) open source?
Yes, Apache-2.0.

Docs: sdk.mystenlabs.com/sui

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