# Node.js SDK

> Server-side Node.js SDK for EVM and SVM wallets.

- [Node SDK Quickstart](https://www.dynamic.xyz/docs/node/quickstart.md)

### Agents

- [Example Usage](https://www.dynamic.xyz/docs/node/agents/example-usage.md) — Complete runnable scripts for the agent wallet flow — email OTP with a human user, fully autonomous private-key sign-in, and external JWT sign-in from your own auth system.
- [Agent Wallets](https://www.dynamic.xyz/docs/node/agents/overview.md) — Authenticate a server-side agent with a Dynamic user JWT and a session key, then create wallets and sign — on behalf of a human user or fully autonomously.
- [Sign In with a Private Key](https://www.dynamic.xyz/docs/node/agents/sign-in-with-a-private-key.md) — Mint a Dynamic user JWT with a private-key signature — fully autonomously with an agent signing token, or from the user's wallet.
- [Sign In with an External JWT](https://www.dynamic.xyz/docs/node/agents/sign-in-with-an-external-jwt.md) — Mint a Dynamic user JWT for your agent by exchanging a JWT from your own auth provider, binding the session key at sign-in.
- [Sign In with Email OTP](https://www.dynamic.xyz/docs/node/agents/sign-in-with-email-otp.md) — Mint a Dynamic user JWT for your agent with a one-time email code, binding the session key at sign-in.
- [Storage & Security](https://www.dynamic.xyz/docs/node/agents/storage-and-security.md) — What your application must persist for agent wallets, and the security model: key custody, signature encoding, and refresh limits.
- [Use Agent Wallets](https://www.dynamic.xyz/docs/node/agents/use-agent-wallets.md) — Authenticate the wallet client with the user JWT and session signer, create wallets and sign with backUpToDynamic, and refresh long-running sessions.

### BTC

- [Create BTC Wallet](https://www.dynamic.xyz/docs/node/btc/create-wallet.md) — Learn how to create and manage Bitcoin server wallets with Dynamic's Node SDK
- [BTC SDK Complete Example](https://www.dynamic.xyz/docs/node/btc/example-usage.md) — Complete example demonstrating all available BTC SDK functions with real API usage patterns
- [Import BTC Private Keys](https://www.dynamic.xyz/docs/node/btc/import-private-keys.md) — Learn how to import existing Bitcoin private keys into Dynamic's MPC wallet system
- [BTC SDK Overview](https://www.dynamic.xyz/docs/node/btc/overview.md) — Complete guide to using Dynamic's Node SDK for Bitcoin blockchain operations
- [Sign BTC Messages](https://www.dynamic.xyz/docs/node/btc/sign-messages.md) — Learn how to sign messages using Dynamic's Node SDK for Bitcoin
- [Sign BTC Transactions](https://www.dynamic.xyz/docs/node/btc/sign-transactions.md) — Learn how to sign Bitcoin transactions using Dynamic's Node SDK
- [Use Imported BTC Wallets](https://www.dynamic.xyz/docs/node/btc/use-imported-wallets.md) — Learn how to work with imported Bitcoin wallets for common operations like checking balances and signing transactions

### EVM

- [Create EVM Wallet](https://www.dynamic.xyz/docs/node/evm/create-wallet.md) — Learn how to create and manage EVM server wallets with Dynamic's Node SDK
- [Delegated Access for EVM Wallets](https://www.dynamic.xyz/docs/node/evm/delegated-access.md) — Learn how to use delegated access to sign messages and transactions on behalf of users with their permission
- [Import EVM Private Keys](https://www.dynamic.xyz/docs/node/evm/import-private-keys.md) — Learn how to import existing EVM private keys into Dynamic's MPC wallet system
- [Sign EVM Messages](https://www.dynamic.xyz/docs/node/evm/sign-messages.md) — Learn how to sign messages using Dynamic's Node SDK for EVM chains
- [Sign EVM Transactions](https://www.dynamic.xyz/docs/node/evm/sign-transactions.md) — Learn how to sign Ethereum transactions using Dynamic's Node SDK
- [Sign typed data (EIP-712)](https://www.dynamic.xyz/docs/node/evm/sign-typed-data.md) — Sign EIP-712 typed data with your EVM wallet using the Node SDK
- [Use Imported EVM Wallets](https://www.dynamic.xyz/docs/node/evm/use-imported-wallets.md) — Learn how to work with imported EVM wallets for common operations like checking balances and signing transactions
- [Verify EVM Messages](https://www.dynamic.xyz/docs/node/evm/verify-messages.md) — Learn how to verify message signatures for authentication and data integrity checks

### Reference

- [authenticateJwt](https://www.dynamic.xyz/docs/node/reference/auth/authenticate-jwt.md) — Authenticates the client with a Dynamic user JWT obtained outside the SDK, optionally with a session-key signer for signed sessions
- [createAuthClient](https://www.dynamic.xyz/docs/node/reference/auth/create-auth-client.md) — Creates a headless auth client that mints a Dynamic user JWT via email OTP, SIWE, or an external JWT for use with authenticateJwt
- [Email OTP sign-in](https://www.dynamic.xyz/docs/node/reference/auth/email-otp-sign-in.md) — auth.email.sendOtp and auth.email.verifyOtp — mint a Dynamic user JWT with a one-time email code
- [External JWT sign-in](https://www.dynamic.xyz/docs/node/reference/auth/external-jwt-sign-in.md) — auth.externalJwt.signIn — exchange a JWT from your configured external issuer for a Dynamic user JWT
- [generateSessionKeyPair](https://www.dynamic.xyz/docs/node/reference/auth/generate-session-key-pair.md) — Generates a P-256 session key pair for the signed-session flow
- [refreshAuthToken](https://www.dynamic.xyz/docs/node/reference/auth/refresh-auth-token.md) — Refreshes the Dynamic user JWT using the current session, installs the replacement, and returns it
- [signSessionMessage](https://www.dynamic.xyz/docs/node/reference/auth/sign-session-message.md) — Signs a message with a P-256 session private JWK in the encoding the keyshares relay expects
- [Wallet sign-in](https://www.dynamic.xyz/docs/node/reference/auth/wallet-sign-in.md) — auth.wallet.signIn, plus the getNonce / createMessage / verify primitives — mint a Dynamic user JWT with a private-key signature (currently SIWE)
- [createDelegatedEvmWalletClient](https://www.dynamic.xyz/docs/node/reference/evm/create-delegated-evm-wallet-client.md) — Creates a delegated EVM wallet client for server-side signing operations
- [createViemPublicClient](https://www.dynamic.xyz/docs/node/reference/evm/create-viem-public-client.md) — Creates a viem public client for EVM blockchain interactions
- [createWalletAccount](https://www.dynamic.xyz/docs/node/reference/evm/create-wallet-account.md) — Creates a new EVM wallet account with the specified threshold signature scheme
- [decryptKeyShare](https://www.dynamic.xyz/docs/node/reference/evm/decrypt-key-share.md) — Decrypts an encrypted key share using a password
- [delegatedSignMessage](https://www.dynamic.xyz/docs/node/reference/evm/delegated-sign-message.md) — Signs a message using delegated access on behalf of a user
- [delegatedSignTransaction](https://www.dynamic.xyz/docs/node/reference/evm/delegated-sign-transaction.md) — Signs an EVM transaction using delegated access on behalf of a user
- [encryptKeyShare](https://www.dynamic.xyz/docs/node/reference/evm/encrypt-key-share.md) — Encrypts a key share using a password
- [exportExternalServerKeyShares](https://www.dynamic.xyz/docs/node/reference/evm/export-external-server-key-shares.md) — Exports external server key shares for a wallet address
- [exportKey](https://www.dynamic.xyz/docs/node/reference/evm/export-key.md) — Exports a key for a specific chain using external server key shares
- [exportPrivateKey](https://www.dynamic.xyz/docs/node/reference/evm/export-private-key.md) — Exports the private key for a specific wallet address
- [fetchWalletMetadata](https://www.dynamic.xyz/docs/node/reference/evm/fetch-wallet-metadata.md) — Recovers wallet identity metadata by account address — for the lost-cache recovery path
- [getEvmWallets](https://www.dynamic.xyz/docs/node/reference/evm/get-evm-wallets.md) — Retrieves all EVM wallets for the authenticated user
- [getExportId](https://www.dynamic.xyz/docs/node/reference/evm/get-export-id.md) — Retrieves the export ID for a wallet on a specific chain
- [getExternalServerKeyShares](https://www.dynamic.xyz/docs/node/reference/evm/get-external-server-key-shares.md) — Retrieves external server key shares for wallet operations
- [getWalletExternalServerKeyShareBackupInfo](https://www.dynamic.xyz/docs/node/reference/evm/get-wallet-external-server-key-share-backup-info.md) — Retrieves backup information for external server key shares
- [getWallet](https://www.dynamic.xyz/docs/node/reference/evm/get-wallet.md) — Removed in V1 — use getWalletByAddress or fetchWalletMetadata
- [getWallets](https://www.dynamic.xyz/docs/node/reference/evm/get-wallets.md) — Retrieves all wallets for the authenticated user
- [importPrivateKey](https://www.dynamic.xyz/docs/node/reference/evm/import-private-key.md) — Imports an existing EVM private key into the MPC wallet system
- [isPasswordEncrypted](https://www.dynamic.xyz/docs/node/reference/evm/is-password-encrypted.md) — Checks if a wallet is password encrypted
- [offlineExportKey](https://www.dynamic.xyz/docs/node/reference/evm/offline-export-key.md) — Exports a key offline using key shares without server communication
- [offlineExportPrivateKey](https://www.dynamic.xyz/docs/node/reference/evm/offline-export-private-key.md) — Exports a private key offline using key shares without server communication
- [recoverEncryptedBackupByWallet](https://www.dynamic.xyz/docs/node/reference/evm/recover-encrypted-backup-by-wallet.md) — Recovers encrypted backup shares for a wallet using a password
- [refreshWalletAccountShares](https://www.dynamic.xyz/docs/node/reference/evm/refresh-wallet-account-shares.md) — Refreshes wallet account shares for a specific wallet
- [requiresPasswordForOperation](https://www.dynamic.xyz/docs/node/reference/evm/requires-password-for-operation.md) — Checks if a wallet operation requires a password
- [requiresRestoreBackupSharesForOperation](https://www.dynamic.xyz/docs/node/reference/evm/requires-restore-backup-shares-for-operation.md) — Checks if a wallet operation requires backup shares to be restored
- [reshare](https://www.dynamic.xyz/docs/node/reference/evm/reshare.md) — Reshares a wallet with a new threshold signature scheme
- [signMessage](https://www.dynamic.xyz/docs/node/reference/evm/sign-message.md) — Signs a message using the specified EVM wallet
- [signTransaction](https://www.dynamic.xyz/docs/node/reference/evm/sign-transaction.md) — Signs an EVM transaction using the specified wallet
- [signTypedData](https://www.dynamic.xyz/docs/node/reference/evm/sign-typed-data.md) — Signs EIP-712 typed data using the specified EVM wallet
- [storeEncryptedBackupByWalletWithRetry](https://www.dynamic.xyz/docs/node/reference/evm/store-encrypted-backup-by-wallet-with-retry.md) — Stores encrypted backup for a wallet with automatic retry logic
- [storeEncryptedBackupByWallet](https://www.dynamic.xyz/docs/node/reference/evm/store-encrypted-backup-by-wallet.md) — Stores encrypted backup for a wallet using external server key shares
- [updatePassword](https://www.dynamic.xyz/docs/node/reference/evm/update-password.md) — Rotates the password protecting a wallet's encrypted backup
- [verifyMessageSignature](https://www.dynamic.xyz/docs/node/reference/evm/verify-message-signature.md) — Verifies a message signature using the specified EVM wallet address
- [verifyPassword](https://www.dynamic.xyz/docs/node/reference/evm/verify-password.md) — Verifies that a password is correct for the wallet's encrypted backup
- [createDelegatedSvmWalletClient](https://www.dynamic.xyz/docs/node/reference/svm/create-delegated-svm-wallet-client.md) — Creates a delegated SVM wallet client for server-side signing operations
- [createWalletAccount](https://www.dynamic.xyz/docs/node/reference/svm/create-wallet-account.md) — Creates a new SVM wallet account with the specified threshold signature scheme
- [decryptKeyShare](https://www.dynamic.xyz/docs/node/reference/svm/decrypt-key-share.md) — Decrypts an encrypted key share
- [delegatedSignMessage](https://www.dynamic.xyz/docs/node/reference/svm/delegated-sign-message.md) — Signs a message using delegated access on behalf of a user
- [delegatedSignTransaction](https://www.dynamic.xyz/docs/node/reference/svm/delegated-sign-transaction.md) — Signs a Solana transaction using delegated access on behalf of a user
- [encryptKeyShare](https://www.dynamic.xyz/docs/node/reference/svm/encrypt-key-share.md) — Encrypts a key share with a password
- [exportExternalServerKeyShares](https://www.dynamic.xyz/docs/node/reference/svm/export-external-server-key-shares.md) — Exports external server key shares for backup purposes
- [exportKey](https://www.dynamic.xyz/docs/node/reference/svm/export-key.md) — Exports wallet key data
- [exportPrivateKey](https://www.dynamic.xyz/docs/node/reference/svm/export-private-key.md) — Exports the private key for a wallet
- [fetchWalletMetadata](https://www.dynamic.xyz/docs/node/reference/svm/fetch-wallet-metadata.md) — Recovers wallet identity metadata by account address — for the lost-cache recovery path
- [getExportId](https://www.dynamic.xyz/docs/node/reference/svm/get-export-id.md) — Gets the export ID for wallet data
- [getExternalServerKeyShares](https://www.dynamic.xyz/docs/node/reference/svm/get-external-server-key-shares.md) — Retrieves external server key shares for SVM wallet operations
- [getSvmWallets](https://www.dynamic.xyz/docs/node/reference/svm/get-svm-wallets.md) — Retrieves all SVM wallets for the authenticated user
- [getWalletExternalServerKeyShareBackupInfo](https://www.dynamic.xyz/docs/node/reference/svm/get-wallet-external-server-key-share-backup-info.md) — Resolves backup-pointer info from cached walletMetadata
- [getWallet](https://www.dynamic.xyz/docs/node/reference/svm/get-wallet.md) — Removed in V1 — use getWalletByAddress or fetchWalletMetadata
- [getWallets](https://www.dynamic.xyz/docs/node/reference/svm/get-wallets.md) — Retrieves all wallets for the authenticated user
- [importPrivateKey](https://www.dynamic.xyz/docs/node/reference/svm/import-private-key.md) — Imports an existing SVM private key into the MPC wallet system
- [isPasswordEncrypted](https://www.dynamic.xyz/docs/node/reference/svm/is-password-encrypted.md) — Checks if a wallet is password encrypted
- [offlineExportKey](https://www.dynamic.xyz/docs/node/reference/svm/offline-export-key.md) — Exports key offline without requiring server communication
- [offlineExportPrivateKey](https://www.dynamic.xyz/docs/node/reference/svm/offline-export-private-key.md) — Exports private key offline without requiring server communication
- [recoverEncryptedBackupByWallet](https://www.dynamic.xyz/docs/node/reference/svm/recover-encrypted-backup-by-wallet.md) — Recovers encrypted backup shares for a wallet using a password
- [refreshWalletAccountShares](https://www.dynamic.xyz/docs/node/reference/svm/refresh-wallet-account-shares.md) — Refreshes wallet account shares for a specific wallet
- [requiresPasswordForOperation](https://www.dynamic.xyz/docs/node/reference/svm/requires-password-for-operation.md) — Checks if a wallet operation requires a password
- [requiresRestoreBackupSharesForOperation](https://www.dynamic.xyz/docs/node/reference/svm/requires-restore-backup-shares-for-operation.md) — Checks if a wallet operation requires backup shares to be restored
- [reshare](https://www.dynamic.xyz/docs/node/reference/svm/reshare.md) — Reshares a wallet with a new threshold signature scheme
- [signMessage](https://www.dynamic.xyz/docs/node/reference/svm/sign-message.md) — Signs a message using the specified SVM wallet
- [signTransaction](https://www.dynamic.xyz/docs/node/reference/svm/sign-transaction.md) — Signs an SVM transaction using the specified wallet
- [sponsorTransaction](https://www.dynamic.xyz/docs/node/reference/svm/sponsor-transaction.md) — Sponsors a Solana transaction via the Dynamic gas sponsorship API
- [storeEncryptedBackupByWalletWithRetry](https://www.dynamic.xyz/docs/node/reference/svm/store-encrypted-backup-by-wallet-with-retry.md) — Stores encrypted backup for a wallet with automatic retry logic
- [storeEncryptedBackupByWallet](https://www.dynamic.xyz/docs/node/reference/svm/store-encrypted-backup-by-wallet.md) — Stores encrypted backup for a wallet using external server key shares
- [updatePassword](https://www.dynamic.xyz/docs/node/reference/svm/update-password.md) — Rotates the password protecting a wallet's encrypted backup
- [verifyPassword](https://www.dynamic.xyz/docs/node/reference/svm/verify-password.md) — Verifies that a password is correct for the wallet's encrypted backup
- [BackupLocation](https://www.dynamic.xyz/docs/node/reference/types/backup-location.md) — Enum defining backup storage locations for key shares
- [KeyShareBackupInfo](https://www.dynamic.xyz/docs/node/reference/types/key-share-backup-info.md) — Interface representing backup information for key shares
- [ServerKeyShare](https://www.dynamic.xyz/docs/node/reference/types/server-key-share.md) — Union type representing different types of server key shares for MPC operations
- [SigningAlgorithm](https://www.dynamic.xyz/docs/node/reference/types/signing-algorithm.md) — Enum defining signing algorithms used by different blockchain chains
- [ThresholdSignatureScheme](https://www.dynamic.xyz/docs/node/reference/types/threshold-signature-scheme.md) — Enum defining threshold signature schemes for MPC wallets
- [WalletMetadata](https://www.dynamic.xyz/docs/node/reference/types/wallet-metadata.md) — Non-sensitive wallet identity + backup-pointer metadata passed to every sign / export / backup operation in the stateless Node SDK
- [WalletProperties](https://www.dynamic.xyz/docs/node/reference/types/wallet-properties.md) — Interface representing wallet properties and metadata
- [Wallet](https://www.dynamic.xyz/docs/node/reference/types/wallet.md) — Interface representing a wallet returned by getWallets and getEvmWallets methods
- [Upgrade Node SDK to V1](https://www.dynamic.xyz/docs/node/reference/upgrade/v1.md)

### SVM

- [Create SVM Wallet](https://www.dynamic.xyz/docs/node/svm/create-wallet.md) — Learn how to create and manage SVM server wallets with Dynamic's Node SDK
- [SVM SDK Complete Example](https://www.dynamic.xyz/docs/node/svm/example-usage.md) — Complete example demonstrating all available SVM SDK functions with real API usage patterns
- [Import SVM Private Keys](https://www.dynamic.xyz/docs/node/svm/import-private-keys.md) — Learn how to import existing SVM private keys into Dynamic's MPC wallet system
- [SVM (Solana) SDK Overview](https://www.dynamic.xyz/docs/node/svm/overview.md) — Complete guide to using Dynamic's Node SDK for Solana (SVM) blockchain operations
- [Sign SVM Messages](https://www.dynamic.xyz/docs/node/svm/sign-messages.md) — Learn how to sign messages using Dynamic's Node SDK for SVM chains
- [Sign SVM Transactions](https://www.dynamic.xyz/docs/node/svm/sign-transactions.md) — Learn how to sign and broadcast Solana transactions using Dynamic's Node SDK
- [Use Imported SVM Wallets](https://www.dynamic.xyz/docs/node/svm/use-imported-wallets.md) — Learn how to work with imported Solana wallets for common operations like checking balances and signing transactions

### TON

- [Create TON Wallet](https://www.dynamic.xyz/docs/node/ton/create-wallet.md) — Learn how to create and manage TON server wallets with Dynamic's Node SDK
- [TON SDK Complete Example](https://www.dynamic.xyz/docs/node/ton/example-usage.md) — Complete example demonstrating all available TON SDK functions with real API usage patterns
- [Import TON Private Keys](https://www.dynamic.xyz/docs/node/ton/import-private-keys.md) — Learn how to import existing TON private keys into Dynamic's MPC wallet system
- [TON SDK Overview](https://www.dynamic.xyz/docs/node/ton/overview.md) — Complete guide to using Dynamic's Node SDK for TON blockchain operations
- [Sign TON Messages](https://www.dynamic.xyz/docs/node/ton/sign-messages.md) — Learn how to sign messages using Dynamic's Node SDK for TON
- [Sign TON Transactions](https://www.dynamic.xyz/docs/node/ton/sign-transactions.md) — Learn how to sign TON transactions using Dynamic's Node SDK
- [Use Imported TON Wallets](https://www.dynamic.xyz/docs/node/ton/use-imported-wallets.md) — Learn how to work with imported TON wallets for common operations like checking balances and signing transactions

### Wallets

- [EVM Gas Sponsorship](https://www.dynamic.xyz/docs/node/wallets/server-wallets/gas-sponsorship-evm.md) — Sponsor EVM transaction fees for your users from your server with Dynamic's built-in gas sponsorship feature.
- [SVM Gas Sponsorship (Node SDK)](https://www.dynamic.xyz/docs/node/wallets/server-wallets/gas-sponsorship-svm.md) — Sponsor gas for Solana transactions using the Node SDK — via Dynamic's built-in sponsorship or a custom fee payer with delegated access.
- [Sponsor Gas for Server Wallets with ZeroDev (EVM)](https://www.dynamic.xyz/docs/node/wallets/server-wallets/gas-sponsorship.md) — Sponsor gas for server-initiated transactions using ZeroDev with Node EVM and Delegated Access.
- [Server Wallets Setup](https://www.dynamic.xyz/docs/node/wallets/server-wallets/overview.md)
- [Storage Best Practices](https://www.dynamic.xyz/docs/node/wallets/server-wallets/storage-best-practices.md) — How to persist wallet state when managing storage yourself — what to cache, what to vault, and how to recover.
- [Get a Viem wallet client](https://www.dynamic.xyz/docs/node/wallets/server-wallets/viem-wallet-client.md) — Use getWalletClient to interact with server wallets using Viem's WalletClient interface.