Authentication - Chat402 Documentation

API Key Authentication

All API requests require an API key in the Authorization header.

Getting Your API Key

Visit chat402.xyz
Connect your wallet
Go to API Keys page
Click “Create New API Key”
Copy and save the key (starts with pp_)

Using Your API Key

Include the API key in the Authorization header:

Authorization: Bearer pp_1234567890abcdef...

Example Request

curl -X POST https://api.chat402.xyz/api/v1/prompt \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-3.5-turbo","prompt":"Hello!"}'

Keep your API key secret! Anyone with your key can use your balance.