Blog
Notes from the build
How Kronos forecasts work, how agents pay per call with x402, and how to read a fact list. Informational, not financial advice.
- How an AI agent pays $0.02 for a forecast with x402
2026-10-11
A step-by-step walkthrough of a real QuantX402 request: the HTTP 402 response, the decoded payment requirements, the signed retry, and a short JavaScript client. Live with USDC on Base and Solana mainnet.
- Reading a Kronos forecast: median, bands, invalidation, and when models disagree
2026-10-11
What every line on the QuantX402 chart and every field in the breakdown means, worked through on one real BTC hold-out example where one model was right and the other was wrong.
- Why LLM agents can't read candles (and what Kronos does instead)
2026-10-11
Chat models see prices as text and guess. Kronos is an open-source model trained only on candlesticks, and it outputs numbers you can check. Here's how QuantX402 turns those numbers into facts an agent can use.