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Frequently Asked Questions about OpenRouter
Does OpenRouter offer a free tier for AI models?
OpenRouter provides free API access or developer trial credits for select models listed on this page. Check individual endpoint details for exact quotas and rate limits.
How do I get an API key for OpenRouter?
Sign up via the official registration link at https://openrouter.ai/keys, create an account, and generate an API key in your developer dashboard.
Are OpenRouter endpoints compatible with OpenAI SDK?
Many endpoints provided by OpenRouter support OpenAI-compatible chat completions or completions interfaces. Look for the "OpenAI Compatible" badge on the endpoint card.
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