# Documentation

## Documentation

- [Overview](https://dfend.gitbook.io/documentation/readme.md)
- [How It Works](https://dfend.gitbook.io/documentation/how-it-works.md)
- [Developer API](https://dfend.gitbook.io/documentation/developer-api.md)
- [Introduction](https://dfend.gitbook.io/documentation/developer-api/introduction.md): Get to know the basics of the DFend API.
- [Initial Test](https://dfend.gitbook.io/documentation/developer-api/initial-test.md)
- [Setup](https://dfend.gitbook.io/documentation/developer-api/setup.md): Connect your application or service with DFend.
- [JS SDK](https://dfend.gitbook.io/documentation/developer-api/js-sdk.md): Learn about the DFend JS SDK.
- [HTTPS API](https://dfend.gitbook.io/documentation/developer-api/https-api.md): Learn about the DFend HTTPS API.
- [Identity](https://dfend.gitbook.io/documentation/developer-api/https-api/identity.md): Create or retrieve an Identity object.
- [Identity Status](https://dfend.gitbook.io/documentation/developer-api/https-api/identity-status.md): Check whether a user has opted into DFend.
- [Signal](https://dfend.gitbook.io/documentation/developer-api/https-api/signal.md): Send a Signal to DFend.
- [Webhook](https://dfend.gitbook.io/documentation/developer-api/webhook.md)
- [User Involvement](https://dfend.gitbook.io/documentation/developer-api/user-involvement.md)
- [Bans](https://dfend.gitbook.io/documentation/developer-api/bans.md)
- [Boilerplates](https://dfend.gitbook.io/documentation/developer-api/boilerplates.md): Starter code to help you work with the DFend API.
- [Node.js](https://dfend.gitbook.io/documentation/developer-api/boilerplates/node.js.md): DFend boilerplate for Node.js.
- [Types](https://dfend.gitbook.io/documentation/developer-api/types.md)
- [Identity](https://dfend.gitbook.io/documentation/developer-api/types/identity.md)
- [Signal](https://dfend.gitbook.io/documentation/developer-api/types/signal.md)
- [Event](https://dfend.gitbook.io/documentation/developer-api/types/event.md)
- [Type](https://dfend.gitbook.io/documentation/developer-api/types/event/type.md)
- [Level](https://dfend.gitbook.io/documentation/developer-api/types/event/level.md)
- [EventSignal](https://dfend.gitbook.io/documentation/developer-api/types/event/eventsignal.md)
- [Recommendation](https://dfend.gitbook.io/documentation/developer-api/types/event/recommendation.md)
- [Ban](https://dfend.gitbook.io/documentation/developer-api/types/event/recommendation/ban.md)
- [Action](https://dfend.gitbook.io/documentation/developer-api/types/event/recommendation/ban/action.md)
- [Type](https://dfend.gitbook.io/documentation/developer-api/types/event/recommendation/type.md)
- [ImmediateResult](https://dfend.gitbook.io/documentation/developer-api/types/immediateresult.md)
- [Identifiers](https://dfend.gitbook.io/documentation/developer-api/types/identifiers.md)
- [Device](https://dfend.gitbook.io/documentation/developer-api/types/device.md)
- [Location](https://dfend.gitbook.io/documentation/developer-api/types/location.md)
- [Carrier](https://dfend.gitbook.io/documentation/developer-api/types/carrier.md)
- [IP](https://dfend.gitbook.io/documentation/developer-api/types/ip.md)
- [Tor](https://dfend.gitbook.io/documentation/developer-api/types/tor.md)
- [VPN](https://dfend.gitbook.io/documentation/developer-api/types/vpn.md)
- [Approvable](https://dfend.gitbook.io/documentation/developer-api/types/approvable.md)


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