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Para’s Server SDK enables you to perform blockchain operations on the server-side across Node.js, Bun, Deno, and Cloudflare Workers environments. The server SDK shares the same core functionality as the web SDK, with authentication being the primary difference.
The Server SDK only works with Embedded Wallets. For connecting to and signing with external wallets such as MetaMask and Phantom, you will need to integrate one of Para’s Client SDKs.
Non-Node.js runtimes (Bun, Deno, Cloudflare Workers) require disableWebSockets: true in the constructor. See the setup guide for details.

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Getting Started

Server Setup

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Blockchain Ecosystem Support

Para works seamlessly with major blockchain ecosystems on the server-side, allowing you to leverage Para’s authentication alongside chain-specific libraries:

EVM Integration

Solana Integration

Cosmos Integration

Stellar Integration

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Authentication Options

Creating new wallets from your server? The REST API is the recommended path — Para holds the key material, so there is no user share to manage. Use the Server SDK when importing client sessions or when an existing integration relies on SDK pregen.
Para offers two authentication methods for server-side applications:

Server Sessions

Pregenerated Wallets

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Resources

Examples

Troubleshooting