# Developer Owned Auth

Passport Protocol allows developers to bring their own or any third party authentication system into Passport using the network for only key management

The following guides will walk you through, how to register and authenticate users, with DOA, using both our TypeScript SDK, and our API.

{% content-ref url="/pages/ZlBBcS92pWMZxeTERSgq" %}
[Register using API](/authentication/developer-owned-auth/registration/register-using-api.md)
{% endcontent-ref %}

{% content-ref url="/pages/AEfM9ykoAYQpIdz4Tt1B" %}
[Authenticating with API](/authentication/passkeys/authentication/authenticating-with-api.md)
{% endcontent-ref %}

{% content-ref url="/pages/FXcOMN4gN8pvk9Pw8oWO" %}
[Register using SDK](/authentication/developer-owned-auth/registration/register-using-sdk.md)
{% endcontent-ref %}

{% content-ref url="/pages/Qf0J8YaxUTiuPfSvQBwC" %}
[Broken mention](broken://pages/Qf0J8YaxUTiuPfSvQBwC)
{% endcontent-ref %}


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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.0xpass.io/authentication/developer-owned-auth.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.