# Build with Humanity

{% hint style="info" %}
🔐 Looking for SSO? Our SDK quickstart provides "Sign in with Humanity" — same OAuth pattern as Google or GitHub login, working integration in \~10 minutes.\
\
:arrow\_forward: [sdk-quickstart](https://docs.humanity.org/build-with-humanity/build-with-the-sdk-api/sdk-quickstart "mention")
{% endhint %}

Humanity is an identity and verification layer you can add to web apps, mobile apps, and smart contracts.

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3><strong>SDK / API</strong> </h3></td><td><mark style="color:$primary;"><strong>For web, backend, and mobile applications</strong></mark></td><td>Human verification and much more via OAuth. React SDK, Connect SDK, and REST API.</td><td><a href="https://383350980-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL1EBectYBMnvu9vU5N1M%2Fuploads%2FSXhHdNa7tDH1gk19LNft%2Foff-chain-cover.png?alt=media&#x26;token=b4f7d0b5-0dc6-46fd-abb1-e7993d0d9e2b">off-chain-cover.png</a></td><td><a href="build-with-humanity/build-with-the-sdk-api/sdk-quickstart">sdk-quickstart</a></td></tr><tr><td><h3>ON-CHAIN</h3></td><td><mark style="color:$primary;"><strong>For decentralized applications</strong></mark></td><td>Work directly in smart contracts using the Verification Oracle.</td><td><a href="https://383350980-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FL1EBectYBMnvu9vU5N1M%2Fuploads%2FEKqX6gyyj8nutNgZsS3P%2Fon-chain-cover.png?alt=media&#x26;token=b2602790-b79b-426a-ad70-3006287aadb7">on-chain-cover.png</a></td><td><a href="build-with-humanity/build-on-chain/on-chain-quick-start-guide">on-chain-quick-start-guide</a></td></tr></tbody></table>

{% hint style="info" %}
👀 Not sure where to start? Explore the [Demo Hub](https://demo.humanity.org/) to see what you can build with Humanity.
{% endhint %}


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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.humanity.org/build-with-humanity.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.