# How to "Connect with OISY"

## Connect with OISY to your app

For the OISY Wallet integration, here are a few options to explore:

* For React frontends, the [IdentityKit](https://nfid-identity-kit.webflow.io/) ([npm](https://www.npmjs.com/package/@nfid/identitykit), [documentation](https://qzjsg-qiaaa-aaaam-acupa-cai.icp0.io/docs)) and related [demo](https://qzjsg-qiaaa-aaaam-acupa-cai.icp0.io/demo) would be a great place to start. It’s like a WalletConnect for the Internet Computer.
* For Typescript, take a look at [@icp-sdk/signer](https://www.npmjs.com/package/@icp-sdk/signer) (which is the underlying library for IdentityKit).
  * Note: This library used to be at [@slide-computer/signer](https://www.npmjs.com/package/@slide-computer/signer) and was moved to the new repo under direct Dfinity maintenance early 2026
* We also provide a reference implementation, [@dfinity/oisy-wallet-signer](https://www.npmjs.com/package/@dfinity/oisy-wallet-signer). Its features are more opinionated and limited to transfers or approvals with ICP or ICRC ledgers, so for a more general-purpose solution, the above two options might be a better fit.
  * Demo app is here: <https://shsda-3aaaa-aaaal-amg6q-cai.icp0.io/> (link is also available in the github repo)

**Note**: OISY implements a default handler for `icrc2_approve` and `icrc2_transfer_from` messages and can display a consent message for these two methods in case the ledger does not implement the ICRC-21 standard.


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