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Signers allow your app to execute limit orders or other transactions while a user is offline. You can also configure signers such that you can only execute certain orders restricted by specific policies that you define. At a high-level, you can use signers to execute limit orders.
1

Add a signer to the user's wallet

Follow the “adding signers quickstart” to first request access to a user’s wallet. Store the private key(s) associated with your signer ID securely in your server. Your Telegram bot or agent will need this to execute transaction requests.

Adding signers quickstart

Request access to user wallets with signers.
2

Execute the limit order from your server

Next, use Privy’s NodeJS SDK or REST API to execute the limit order from your server. When making the request to Privy’s API, you must sign the request with the private key(s) associated with your signer ID.Follow the guides below to learn how to sign requests and execute transactions on EVM and Solana.

Sign requests

Sign requests to the Privy API with your signer.

EVM

Take actions on EVM chains with Privy’s NodeJS SDK or REST API.

Solana

Take actions on Solana with Privy’s NodeJS SDK or REST API.