---
title: "3-horizon quantile fan for BTC/ETH/SOL — $0.08/call"
method: GET
path: "/api/v1/forecast-path/{asset}"
tags: ["forecast", "paid"]
---

# 3-horizon quantile fan for BTC/ETH/SOL — $0.08/call

`GET /api/v1/forecast-path/{asset}`

## Request

- Base URL: `https://kronossignals.com` (the document declares no server; this is the origin it was published from)
- URL: `https://kronossignals.com/api/v1/forecast-path/{asset}`
- Auth: none declared

Real Monte-Carlo quantile fan (p10/p25/p50/p75/p90), expected close, and forward volatility at the three discrete horizons Kronos forecasts (1h/4h/24h), read from the cached forecasts-table rows (60-path Kronos-base Monte-Carlo, refreshed every 20 min). No interpolation between horizons. $0.08 USDC on Base mainnet via x402.

## Path parameters

- `asset` 'btc' | 'eth' | 'sol', required

## Response `200`

Forecast path fan returned (payment verified)

- object
  - `asset` string
  - `generated_at` string, date-time
  - `price_close` number
  - `anchors` object[]
    - `horizon` '1h' | '4h' | '24h'
    - `age_seconds` integer
    - `expected_close` number
    - `quantiles` object
      - `p10` number
      - `p25` number
      - `p50` number
      - `p75` number
      - `p90` number
    - `pred_high` number, nullable
    - `pred_low` number, nullable
    - `pred_volatility` number, nullable
    - `range_low` number
    - `range_high` number
    - `n_paths` integer, nullable
  - `fresh_anchors` integer
  - `max_age_minutes` integer
  - `model` string
  - `note` string
  - `disclaimer` string

## Other responses

- `402`: Payment Required — x402 micropayment instructions in response body.
- `404`: Unsupported asset — only btc, eth, and sol are supported.
- `503`: No fresh forecast anchors with quantiles available.

---

[API](https://skmtc.dev/kronossignals/apis/kronos-crypto-data-api.md) · [All operations](https://skmtc.dev/kronossignals/apis/kronos-crypto-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kronossignals/apis/kronos-crypto-data-api/revisions/bfdcf7230e93?raw)