> For the complete documentation index, see [llms.txt](https://docs.dev3.sh/welcome-to-dev3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dev3.sh/welcome-to-dev3/sdk.md).

# SDK

- [Introduction](https://docs.dev3.sh/welcome-to-dev3/sdk/introduction.md): Short introduction to the Dev3 JavaScript SDK.
- [Initialization](https://docs.dev3.sh/welcome-to-dev3/sdk/initialization.md): How to install and connect Dev3 SDK.
- [Importing Contracts](https://docs.dev3.sh/welcome-to-dev3/sdk/importing-contracts.md)
- [User Authentication](https://docs.dev3.sh/welcome-to-dev3/sdk/user-authentication.md): How to let your users connect their wallet to your application.
- [Options](https://docs.dev3.sh/welcome-to-dev3/sdk/user-authentication/options.md)
- [Query Contracts](https://docs.dev3.sh/welcome-to-dev3/sdk/query-contracts.md): Explains how to read smart contract state.
- [Function Parameters](https://docs.dev3.sh/welcome-to-dev3/sdk/query-contracts/function-parameters.md)
- [Execute Contracts](https://docs.dev3.sh/welcome-to-dev3/sdk/execute-contracts.md): Explains how to execute smart contract functions.
- [Execution Options](https://docs.dev3.sh/welcome-to-dev3/sdk/execute-contracts/execution-options.md): Execution options are explained in more detail here.
- [Deploy Contracts](https://docs.dev3.sh/welcome-to-dev3/sdk/deploy-contracts.md): Explains how to deploy contract using the SDK.
- [Deployment Options](https://docs.dev3.sh/welcome-to-dev3/sdk/deploy-contracts/deployment-options.md): Deployment options are explained in more detail here.
- [Address Book](https://docs.dev3.sh/welcome-to-dev3/sdk/address-book.md): Explains how to manage the address book.
- [FAQ](https://docs.dev3.sh/welcome-to-dev3/sdk/faq.md): Answers to common questions raised when using the SDK.
- [Out of gas error](https://docs.dev3.sh/welcome-to-dev3/sdk/faq/out-of-gas-error.md)


---

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