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Usage & Consumption Metering Engine

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Usage & Consumption Metering Engine

Quick Summary: The GAAPx Usage & Consumption Metering Engine ingests millions of raw product telemetry events per second, matches consumption against contract rate cards, applies complex rating models (tiered, volume-based, graduated, overage thresholds), and calculates both billing invoices and ASC 606 usage revenue schedules in real time with zero latency.

High-Volume Ingestion Architecture​

flowchart LR
    Telemetry["Product Events\n(API Calls, Tokens, GBs, Seats)"] --> Kafka["Event Ingestion Stream\n(Kafka / Webhook / S3)"]
    Kafka --> Meter["GAAPx Metering Engine\n(Deduplication & Windowing)"]
    Meter --> Rating["Rating & Rule Matrix\n(Contract Entitlements & Tiers)"]
    Rating --> Invoice["Billing Invoice & Overage"]
    Rating --> RevRec["ASC 606 Usage Revenue"]

Supported Usage Pricing Models​

Pricing ModelCalculation FormulaExample Scenario
Pure OverageBase fee includes $X$ units; excess billed at $$Y$ per unit.100,000 API calls included; $0.002 per additional call.
Graduated TiersUnits 1–1k at $$1.00$; 1k–5k at $$0.80$; 5k+ at $$0.50$.Progressive cloud storage consumption.
Volume TiersReaching a total threshold discounts all units consumed.Reaching 10,000 MAUs reduces the price of all units to $$0.40$.
Prepaid Credit DrawdownsCustomer prepays $$50,000$; services draw down against balance.AI token consumption or computing hours.
Minimum Spend CommitmentsHigher of actual consumption or committed monthly floor.$5,000 monthly minimum platform spend.

Developer Usage Ingestion API​

To send raw consumption events directly into GAAPx:

curl -X POST "https://api.gaapx.ai/v1/usage/events" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "events": [
      {
        "transaction_id": "evt_998124_abc",
        "customer_id": "cust_acme_corp",
        "contract_id": "gx_ctr_98412",
        "metric_name": "ai_inference_tokens",
        "quantity": 450000,
        "timestamp": "2026-10-02T09:30:00Z"
      }
    ]
  }'

Unbilled Revenue & Practical Expedient (ASC 606-10-55-18)​

For usage-based contracts where the invoice amount corresponds directly with the value of the vendor's performance completed to date, GAAPx can apply the Right-to-Invoice practical expedient:

  • Revenue recognized equals the invoiced amount for that usage period.
  • Avoids complex multi-year usage estimation and variable consideration constraints.
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