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Get Started with Arize AX

Arize AX is a unified AI engineering platform that supports every stage of your LLM or agent application lifecycle — from prompt design and tracing to evaluation, experimentation, and production monitoring.

🧪 Development

During development, AX provides interactive tools for prompt iteration, end-to-end tracing, experiments, and evaluations: everything you need to build with confidence.

  • Tracing: Capture and visualize your model and agent flows.

  • Prompt Engineering: Experiment with prompts in real time and manage them via the Prompt Hub.

  • Experiments & Datasets: Run controlled tests to compare models, prompts, or configurations.

  • Evaluation: Measure and validate model outputs with automated or human evaluation.

🧩 Testing & Staging

In your staging environment, AX lets you benchmark changes safely before deployment.

  • Iterate on models and prompts.

  • Run evaluations on curated datasets.

  • Review trace logs and validate performance improvements.

🚀 Production

Once live, AX provides observability, monitoring, and reliability at scale.

  • Monitor latency, correctness, and token usage.

  • Run continuous evaluations and receive alerts for regressions.

  • Manage prompt versions, guardrails, and production-grade tracing.

Using Arize AX for the first time?

Follow these quick steps to sign up for your free product account.

1

Create a free account & Log into the Platform

Navigate to the Get Started Page & fill out the cells with your information. After pressing sign up, you will be asked to verify your email via a confirmation in your inbox & set your password.

Using the same credentials you have just set, log in to the platform & you should now be in Arize AX!

2

Get your Space ID & API Key & Endpoint

When connecting to your instance via code, you'll to set you API Key & Space ID. For both of these, navigate to the Settings page on the bottom of the left navigation bar, and go to the API Keys Page.

Here you will find your Space ID in the "Current SpaceID" box & you can set it in your code: ARIZE_SPACE_ID = "<insert your space id>"

To create an API Key:

  • click '+ New API Key' button in the right corner

  • enter any name for the key

  • set your key type to either User Key or Service Key (meant for autonomous services)

Once you have created your key, save the information somewhere safe & you can set it in your code as: ARIZE_API_KEY = "<insert key value here>"

To set your Endpoint: there are a couple different endpoints you can set. The default being Endpoint.ARIZE.

  • If you are located in the European Union, ensure to set your endpoint to Endpoint.ARIZE_EUROPE

  • For custom endpoints, default to use is GRPCSpanExporter. To use HTTPSpanExporter instead, ensure to set endpoint to "https://my-custom-endpoint".

For more information, read more about endpoints here.

To start exploring the product, Select a quickstart below!

Set Up Tracing

Write your First Eval

Run your First Experiment

Try out the Prompt Playground

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