Authentication - Geoff API

API Keys

All Geoff API requests require authentication via a Bearer token in the Authorization header.

Creating an API Key

Log in to Geoff
Navigate to Settings > API Keys
Click Create API Key
Copy and securely store your key: it will only be shown once

Using Your API Key

Include your API key in the Authorization header of every request:

curl --request POST \
  --url https://geoff.ai/api/v1/text/chat \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'X-Stack-Id: stk_jmqog66ha0mugmro' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "magma",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Keep your API keys secure. Do not share them in public repositories, client-side code, or commit them to version control.

Security Best Practices

Rotate your API keys regularly
Use environment variables to store keys
Set up separate keys for development and production
Revoke unused keys from the Settings page

Pay with crypto instead

Don’t want an account? You can fund an API key directly from a Solana wallet with x402 Pay-As-You-Go.