# Hints

Authentication Request from Web3Auth

Following login providers explicitly requests authentication consent from Web3Auth under Oauth2.0 scheme since Startrail-Sdk-Js makes use of Web3Auth service under the hood.

{% hint style="warning" %}
Please inform your clients to trust the following authenticators, e.g. `Web3Auth`, `openlogin.`
{% endhint %}

<table data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><img src="/files/Hv2l77s37BPS8Zygfwxz" alt=""></td><td>Facebook</td><td></td></tr><tr><td><img src="/files/sOmfeump1udm5mUIrLJm" alt=""></td><td>Apple</td><td></td></tr><tr><td><img src="/files/c4scznRkSarSaG7FSODD" alt=""></td><td>Twitter</td><td></td></tr><tr><td><img src="/files/JYmtghdOViMTZO7JM6Qu" alt=""></td><td>Email Passwordless</td><td></td></tr><tr><td><img src="/files/uc8ac3Sv1rDgypg4JXdX" alt=""></td><td>Google</td><td></td></tr></tbody></table>

## Continue Alert Popup

Continue popup is displayed on the top right side of the screen with the modal set false (`{withModal: false}`), when the popups are blocked by browser Clicking Continue allows users to proceed with normal login flow.

![](/files/GDdyDDSrdLQlL8jHSU1q)

You can also customize the wordings. See more details in [whitelabeling](/startrail-sdk-js/login-providers/whitelabeling.md) page.


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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://docs.startrail.io/startrail-sdk-js/login-providers/best-practices.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.