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Welcome to Passy! Our unified API gives you access to the world’s best AI models (OpenAI, Anthropic, Google, and more) through a single, standardized interface. Let’s make your first request.

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1. Get Your API Key

First, you’ll need an API key to authenticate your requests.
1

Create an Account

Visit dash.passy.ai/ to sign up or log in.
2

Navigate to API Keys

Go to the API Keys section in your sidebar.
3

Generate & Secure Your Key

Click Generate API Key.

Copy your new key (starts withpassy_) and store it securely.
Copy your API key quickly and keep it secret! We only show it once for safety.
Create your first request head to quickstart

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Common Questions

  • General Use: Start with gpt-4o or claude-3.5-sonnet.
  • Long Context/Coding: claude-3.5-sonnet is highly recommended.
  • Speed & Cost: gpt-4o-mini or claude-3-haiku offer incredible performance for basic tasks.
See the Models Catalog for detailed comparisons.
You pay strictly for what you use, without fixed markups. Different models map directly to their underlying provider pricing. Most development testing can be done for under $1.Check your current usage and pricing in the Dashboard.
Yes! Simply change the base URL to https://api.passy.ai/v1 and use your Passy API key. All your existing OpenAI-compatible SDK code will work without any other modification.
Passy handles failover intuitively. If your primary model’s provider experiences downtime, you can seamlessly swap the model parameter to an alternative provider in seconds, ensuring your app stays online.

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