OpenRouter gives you one API key to access 200+ models. A credits balance is required — the model used by Velocity AI (qwen/qwen3.5-9b) is a paid model. Add credits after signing up before using the app.
Go to openrouter.ai and click Sign up. You can register with your email, Google, or GitHub account.
After logging in, click your avatar or profile in the top-right, then go to Keys in the sidebar. You can also go directly to openrouter.ai/settings/keys.
Click + Create Key. Give it a name like Velocity AI. You can optionally set a credit limit to cap spending. Leave it empty for no limit.
sk-or-v1-.
After creation, your key is shown one time only. Click Copy to save it. The key looks like sk-or-v1-abc123...
Go to Settings → Credits and add a balance. This is required — qwen/qwen3.5-9b, the model Velocity AI uses, is a paid model on OpenRouter.
Open Velocity AI, go to Profile → AI Provider. Select OpenRouter, paste your key, then tap Save.
qwen/qwen3.5-9b automatically — no model selection needed.