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OpenRouter

OpenRouter provides a unified API that routes requests to many models behind a single endpoint and API key. It is OpenAI-compatible, so most OpenAI SDKs work by switching the base URL to https://openrouter.ai/api/v1.

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CLI setup

fased onboard --auth-choice openrouter-api-key --openrouter-api-key "$OPENROUTER_API_KEY"
The same API-key method is available in Agent > Models and through the CLI. Open Agents, select the Agent, then choose OpenRouter in the Models tab. OpenRouter does not have a separate first-party OAuth method in Fased.

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Config snippet

{
  env: { OPENROUTER_API_KEY: "sk-or-..." },
  agents: {
    defaults: {
      model: { primary: "openrouter/auto" },
    },
  },
}

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Notes

  • Model refs are openrouter/<provider>/<model>.
  • openrouter/auto is the guided setup default. Normal pickers show a curated current model list and can still use OpenRouter’s dynamic model catalog when the runtime reports it.
  • For more model/provider options, see /concepts/model-providers.
  • OpenRouter uses a Bearer token with your API key under the hood.