> For the complete documentation index, see [llms.txt](https://help.tellius.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tellius.com/api.md).

# API

- [Insights APIs](https://help.tellius.com/api/insights-apis.md): Leverage Tellius Insights APIs to generate, retrieve, and embed AI-driven insights—automate analytics workflows with RESTful endpoints.
- [Search APIs](https://help.tellius.com/api/search-apis.md): Integrate Search APIs to execute natural language queries, retrieve insights, and embed search functionality into your applications seamlessly.
- [Authentication API (Login API)](https://help.tellius.com/api/authentication-api-login-api.md): Authenticate securely with the Tellius Login API—manage user sessions, integrate with custom apps, and enable seamless access via RESTful endpoints.
- [ML Model APIs](https://help.tellius.com/api/ml-model-apis.md): Integrate Tellius ML Model APIs into external apps. Authenticate via OAuth2, submit prediction requests in JSON or file, and retrieve prediction results.


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# Agent Instructions
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## Querying This Documentation
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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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.