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app.tenna.ai lumi forecast_calibration
https://app.tenna.ai/api/x402/lumi/forecast_calibration
answers 402
Forecast Calibration Report. Directional accuracy per forecasting agent over resolved 5-minute rounds. Reported honestly: accuracy near 50% means no demonstrated edge. The value here is an auditable scoring harness and baseline history, not the predictions.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x7eaf3c393a8996e124c0fa7ccbc55019854c4c5b
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 460 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:23.316Z (31d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapp.tenna.ai%2Fapi%2Fx402%2Flumi%2Fforecast_calibration"