Documentation

Build with your Twin.

A living guide to training, querying and integrating Lumen Twin. We add depth as the platform grows.

Public API

One endpoint. Bearer auth. Quota enforced per plan. Available on Pro and above.

POST/api/public/v1/twin/ask
curl -X POST https://lumentwin.com/api/public/v1/twin/ask \
  -H "Authorization: Bearer lt_live_xxxxxxxxxxxxxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Draft a polite decline to this meeting request.",
    "context": "weekly investor sync, Friday 9am",
    "autonomy": "assisted"
  }'

Response

{
  "reply": "Hey — appreciate the invite. I'll skip Friday and...",
  "model": "google/gemini-2.5-flash"
}

401

Invalid or revoked API key.

402

Quota exceeded. Upgrade plan.

400

Invalid request body.

429

Rate limit: 60 req/min per key.

More guides land weekly.

Webhooks, voice cloning, autonomous actions, simulations and more.

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