{
 "ok": true,
 "protocol": "trooids-agent-meter/0.1",
 "meter_version": "0.3.0",
 "currency": "EUR",
 "credit_eur": "0.0001",
 "free_questions": 2,
 "packs": [
  {
   "id": "starter",
   "eur_cents": 50,
   "eur": "0.50",
   "credits": 5000
  },
  {
   "id": "small",
   "eur_cents": 500,
   "eur": "5.00",
   "credits": 50000
  },
  {
   "id": "medium",
   "eur_cents": 1000,
   "eur": "10.00",
   "credits": 100000
  },
  {
   "id": "large",
   "eur_cents": 2500,
   "eur": "25.00",
   "credits": 250000
  }
 ],
 "per_answer": {
  "formula": "ceil(tokens_in × input price + tokens_out × output price) ÷ 1.1253 × 1.05, in credits",
  "margin_pct": 5,
  "model_prices_usd_per_million_tokens": {
   "deepseek-v4-pro-0813": {
    "input": 1.32,
    "output": 3.96
   },
   "deepseek-v4-flash-0731": {
    "input": 0.44,
    "output": 1.32
   },
   "gpt-oss-120b": {
    "input": 0.35,
    "output": 0.75
   },
   "nemotron-3-120b-a12b": {
    "input": 0.5,
    "output": 1.5
   },
   "mistral-small-3.1-24b-instruct": {
    "input": 0.351,
    "output": 0.555
   },
   "granite-4.0-h-micro": {
    "input": 0.017,
    "output": 0.112
   }
  },
  "hold_output_tokens": 2000,
  "tokens": "estimate: ceil(characters/4)"
 },
 "payment_methods": [
  "card",
  "ideal"
 ],
 "processor": "Stripe Checkout",
 "buy": {
  "agent": "GET /pay/{pack}?account=wba:<thumbprint> (the URL in the HTTP 402 offer)",
  "person": "GET /pay/checkout?pack=<pack>&account=wba:<thumbprint> (the form on /payments/)",
  "mandate": "POST /pay/ap2/carts then /pay/ap2/settle (AP2-shaped)"
 },
 "terms": "https://trooids.com/payments/"
}