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Prerequisites

Installation

Install the Switchport SDK using pip:
Or install from source:

Get Your API Key

1

Sign in to Switchport

Go to switchport.ai and log in to your account.
2

Navigate to Settings

Go to Settings → API Keys in the dashboard.
3

Copy your API key

Copy your API key (it starts with sp_).

Set Your API Key

Set your API key as an environment variable:

Create Your First Prompt

Before using the SDK, you need to create a prompt in the Switchport dashboard:
1

Create a prompt config

  1. Go to Prompts → New Prompt Config
  2. Name: “Welcome Message”
  3. Key: welcome-message
  4. Click Create
2

Add a version

  1. Click Add Version
  2. Model: Select gpt-5 (or another model)
  3. Prompt: Write a friendly welcome message for {{name}}.
  4. Click Save
3

Publish the version

Click Publish on the version you just created.

Configure LLM API Keys

The SDK calls LLMs on your behalf, so you need to configure your LLM API keys:
1

Go to Organization Settings

Navigate to Settings → Organization Settings
2

Add your LLM API keys

Add API keys for the LLM providers you want to use:
  • OpenAI API key (for GPT models)
  • Anthropic API key (for Claude models)
  • Google API key (for Gemini models)
3

Save

Click Save to store your API keys securely.

Execute Your First Prompt

Create a file test_switchport.py:
Run it:
You should see output like:

Record Your First Metric

Now let’s track a metric. First, create a metric definition in the dashboard:
1

Create metric definition

  1. Go to Metrics → New Metric
  2. Key: satisfaction
  3. Name: “User Satisfaction”
  4. Type: float
  5. Click Create
Then record a metric in your code:
Always use the same subject when executing prompts and recording metrics. This ensures metrics are correctly aggregated per prompt version.

Next Steps

A/B Testing

Learn how to run A/B tests with multiple prompt versions

API Reference

Explore the full API reference

Examples

See more code examples

Core Concepts

Understand key concepts