A visual walkthrough of adding your OpenAI or OpenRouter API keys to ARKA-AI, testing connections, and troubleshooting common issues.
Bring Your Own Keys
ARKA-AI uses your own API keys to access AI models. This means you only pay for what you use, and your data stays private. We never store or log your API requests.
ARKA-AI supports two API providers. Choose based on your needs:
Direct access to GPT-4, GPT-4 Turbo, and GPT-3.5. Best performance and reliability.
Get OpenAI KeyAccess to 100+ models including Claude, Llama, Mistral, and more through one API.
Get OpenRouter KeyClick the Settings link in the sidebar, or click your profile menu and select Settings.
In the Settings menu, click on API Keys to access your key management page.

The API Keys page shows your current configuration and allows you to add, edit, or remove API keys.


Click the Add API Key button to open the key entry dialog.
Choose between OpenAI or OpenRouter from the dropdown menu.
Paste your API key. OpenAI keys start with sk-, OpenRouter keys start with sk-or-.
Click Save. ARKA-AI will automatically test the connection and show the result.

Keep Your Keys Safe
Never share your API keys publicly. ARKA-AI encrypts your keys at rest and only decrypts them when making API calls. We never log or store your API requests.
Go to platform.openai.com and create an account if you don't have one.
Add a payment method under Billing. You'll need this to use the API.
Go to API Keys section and click "Create new secret key". Give it a name like "ARKA-AI".
Copy the key immediately - you won't be able to see it again. Paste it into ARKA-AI.
Go to openrouter.ai and sign up for an account.
Add credits to your account. OpenRouter offers pay-as-you-go pricing.
Go to Keys section and create a new API key.
Copy the key and paste it into ARKA-AI's API Keys settings.
Double-check that you copied the full key. OpenAI keys start withsk-, OpenRouter with sk-or-.
Add credits or a payment method to your OpenAI/OpenRouter account.
You've hit usage limits. Wait a moment or upgrade your API tier.
Check your internet connection. If the problem persists, the API provider may be experiencing issues.
Create a dedicated API key for ARKA-AI. Don't reuse keys from other applications.
Configure monthly spending limits in your OpenAI/OpenRouter dashboard to prevent unexpected charges.
Consider rotating your API keys every few months as a security practice.