Test your OpenRouter API key.

What this key does

OpenRouter is a routing layer over OpenAI, Anthropic, Google, Meta, Mistral, and dozens of others. One key, one shape, one bill. Useful for fallback and price comparison.

How to get a OpenRouter API key

1. Sign in at openrouter.ai.
2. Top up credits or attach a card.
3. Create a key starting with sk-or-v1-.
4. Paste it here. We'll also pull your remaining balance.

Common errors and fixes

• 401 Unauthorized: Key is invalid, revoked, or pasted with extra whitespace. Generate a new key from the provider console and try again.
• 403 Forbidden: Key is valid but lacks permission for this resource. Check project / org / workspace scope, or that billing is set up for this key.
• 429 Too Many Requests: You hit the per-minute or per-day rate limit. Wait a moment and retry, or upgrade your tier.
• 404 Not Found: The endpoint or model id changed. Check the provider docs for the current path and model identifier.
• 5xx: The provider is having issues. Check their status page before assuming the bug is yours.

Security best practices

• Store keys in an env var or secret manager — never commit them to a repo, even a private one.
• Restrict scope: prefer per-project or per-deployment keys over a single root key shared across services.
• Rotate on a schedule (90 days is a sane default) and immediately on suspected leak.
• Audit usage in the provider console after rotation to confirm the old key has zero traffic.
• Set per-key spend limits where the provider supports them, so a leaked key has a bounded blast radius.

Pricing at a glance

OpenRouter passes through provider pricing with a thin markup. The savings come from automatic fallback and the ability to A/B between providers without touching code.