# Build Web3 apps with Keeper Wallet

[Keeper Wallet](https://keeper-wallet.app/) is a multi-platform cryptocurrency wallet that provides advanced storage and exchange capabilities for crypto assets. Keeper is available as a browser extension, mobile app, and a web portal.

Keeper Wallet is designed for convenience, so users can create multiple accounts, switch between them easily, and sign transactions with just one click.

Your dApp can use Keeper Wallet to request a user's address, suggest that the user sign messages and transactions, and provide the asset swap feature on your website.

## Connect options

<table data-view="cards" data-full-width="true"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>TypeScript/JavaScript library for connecting various wallets</td><td><a href="https://203963728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnM8p3WqVpCvO88I71oDw%2Fuploads%2Fgit-blob-1a6ebb4015b2f893b5f9973ed102b9003c0e015f%2Fcard-signer.png?alt=media">card-signer.png</a></td><td><a href="connect-web-app/signer">signer</a></td></tr><tr><td>Working on browser pages with Keeper extension installed</td><td><a href="https://203963728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnM8p3WqVpCvO88I71oDw%2Fuploads%2Fgit-blob-58d39a8de073f850183ce14e301a2945a3678f4d%2Fcard-api.png?alt=media">card-api.png</a></td><td><a href="connect-web-app/connect-api">connect-api</a></td></tr><tr><td>Connect Keeper Wallet in your app both for iOS and Android</td><td><a href="https://203963728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnM8p3WqVpCvO88I71oDw%2Fuploads%2Fgit-blob-f6901957c417594f62f0f4f4e635c5f2c395380c%2Fcard-mobile.png?alt=media">card-mobile.png</a></td><td><a href="connect-mobile-app/keeper-mobile-connect-in-ios-or-android-app">keeper-mobile-connect-in-ios-or-android-app</a></td></tr></tbody></table>

## Swap widget

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Handy tool for token swaps with revenue sharing</td><td><a href="https://203963728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnM8p3WqVpCvO88I71oDw%2Fuploads%2Fgit-blob-7357f2c8d237b000ed0a02db9927416e0c338d7e%2Fcard-swap.png?alt=media">card-swap.png</a></td><td><a href="earn-with-swap-widget/swap-widget">swap-widget</a></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developers.keeper-wallet.app/readme.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.