# Connect

Seamlessly onboard and authenticate users in your applications.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Sign in</td><td>Flexible user sign-up flow with wallet and social sign-in methods</td><td><a href="https://portal.thirdweb.com/connect/sign-in">https://portal.thirdweb.com/connect/sign-in</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/roknIk2iYxdy8hy4UM42/sign-in.svg">sign-in.svg</a></td></tr><tr><td>Account Abstraction</td><td>Complete toolkit for Account Abstraction</td><td><a href="https://portal.thirdweb.com/connect/account-abstraction">https://portal.thirdweb.com/connect/account-abstraction</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/MEGXSgnrjW9pO0CA6bft/account-abstraction.svg">account-abstraction.svg</a></td></tr><tr><td>In-App Wallet</td><td>Email &#x26; social login wallets for your customers</td><td><a href="https://portal.thirdweb.com/connect/in-app-wallet/overview">https://portal.thirdweb.com/connect/in-app-wallet/overview</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/5ujXBrkfcUiSEgaftWmI/in-app%20wallet.svg">in-app wallet.svg</a></td></tr><tr><td>Auth</td><td>Authenticate users with their wallets</td><td><a href="https://portal.thirdweb.com/connect/auth">https://portal.thirdweb.com/connect/auth</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/298YAGVantJnVEg3J4Cv/auth.svg">auth.svg</a></td></tr><tr><td>Pay</td><td>Easily integrate cross-chain crypto purchases for your users</td><td><a href="https://portal.thirdweb.com/connect/pay/buy-with-crypto">https://portal.thirdweb.com/connect/pay/buy-with-crypto</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/Q4IhxrMhXGbYhchbfASf/pay.svg">pay.svg</a></td></tr><tr><td>Blockchain API</td><td>Performant and reliable blockchain API</td><td><a href="https://portal.thirdweb.com/connect/blockchain-api">https://portal.thirdweb.com/connect/blockchain-api</a></td><td><a href="https://content.gitbook.com/content/neke8a6D4Ybg9dkRA2GD/blobs/ZdQfJbMIubUYzOLGwSsJ/blockchain-api.svg">blockchain-api.svg</a></td></tr></tbody></table>