# Decision API

- [Changelog](https://docs.abtasty.com/server-side/decision-api/decision-api-changelog.md)
- [v2 (latest)](https://docs.abtasty.com/server-side/decision-api/decision-api.md)
- [Self-Hosted API](https://docs.abtasty.com/server-side/decision-api/self-hosted-api.md)
- [Overview](https://docs.abtasty.com/server-side/decision-api/v1.md)
- [v2 - rework](https://docs.abtasty.com/server-side/decision-api/v2-rework.md)
- [Self hosted Decision API](https://docs.abtasty.com/server-side/decision-api/run-on-premise-2.md)
- [Self-Hosted Decision API](https://docs.abtasty.com/server-side/decision-api/run-on-premise.md): This guide explains the concept, architectural considerations, benefits, and implementation patterns for deploying FE\&R's Decision API in your own infrastructure.
- [QuickStart: Explore it with Node.js](https://docs.abtasty.com/server-side/decision-api/run-on-premise/quickstart-explore-it-with-node.js.md): This quickstart guide will help you deploy the FE\&R Decision API locally and interact with it using Node.js. You'll learn how to make API calls, manage visitor sessions, and implement feature flag.
- [Install](https://docs.abtasty.com/server-side/decision-api/run-on-premise/install.md): This guide provides detailed installation instructions for running the FE\&R Decision API on various platforms and environments.
- [Usage](https://docs.abtasty.com/server-side/decision-api/run-on-premise/usage.md): The Decision API provides REST endpoints that enable you to retrieve feature flags and campaigns based on visitor context. This guide covers the three core endpoints with practical examples.
- [Reference](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference.md)
- [Activate](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference/activate.md)
- [Campaigns](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference/campaigns.md)
- [Flags](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference/flags.md)
- [Metrics](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference/metrics.md)
- [Models](https://docs.abtasty.com/server-side/decision-api/run-on-premise/reference/models.md)


---

# 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.abtasty.com/server-side/decision-api.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.