---
title: "Arize AI (@arize-ai)"
description: "Unified AI engineering and evaluation platform to accelerate development and improvement of AI apps and agents"
account: "arize-ai"
---

# Arize AI

Unified AI engineering and evaluation platform to accelerate development and improvement of AI apps and agents

## APIs

2 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/arize-ai/feed.md

- [Arize REST API](https://skmtc.dev/arize-ai/apis/arize-rest-api.md): LLM observability: manage traces, datasets, experiments, evaluators, annotation queues and monitors
- [Arize-Phoenix REST API](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api.md): LLM observability: trace spans, datasets, experiments, prompts, annotations and projects