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Sudo uses Bearer token authentication. Every request must include your secret API key in the Authorization header: 
Authorization: Bearer <SUDO_API_KEY>
You can create and manage keys within apps from the Developer Portal → My AI Apps section.
Treat your keys like passwords. Do not commit them to version-control or expose them in front-end code.

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Using an API key

fetch('https://sudoapp.dev/api/v1/chat/completions', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <SUDO_API_KEY>',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    model: 'gpt-4o',
    messages: [{ role: 'user', content: 'Hello!' }],
  }),
});

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Rotating or revoking keys

If a key is ever exposed you can disable or delete it from the portal and generate a new one immediately. Requests bearing a revoked key will receive a 401 error.

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Minimum headers

Only two headers are required:
HeaderExampleNotes
AuthorizationBearer sk-abc123Required
Content-Typeapplication/jsonRequired