---
title: "ETH/SOL Per-Coin Cycle (latest)"
method: GET
path: "/api/v1/alt-cycle/latest"
tags: ["Snapshots"]
---

# ETH/SOL Per-Coin Cycle (latest)

`GET /api/v1/alt-cycle/latest`

## Request

- Base URL: `https://tradingstrategies.work`
- URL: `https://tradingstrategies.work/api/v1/alt-cycle/latest`
- Auth: HTTP bearer

Per-coin cycle snapshot for ETH or SOL. Price-derived indicators (Mayer, weekly RSI, 200-week-MA distance) with renormalized weights + score + signal + same-composition percentile block. BTC-native indicators (halving, dominance, mining, hash-ribbons, F&G, Pi-Cycle, on-chain) returned as not_applicable, not faked. Required query: asset=ETH|SOL. BTC uses /api/v1/btc-cycle/latest. [Free tier]

## Query parameters

- `asset` 'ETH' | 'SOL', required

## Response `200`

Latest snapshot with tier echo.

- object

## Other responses

- `400`: Invalid input — fehlt Pflichtfeld oder Wert außerhalb des erlaubten Bereichs.
- `401`: Unauthenticated — kein gültiger Bearer-Token im Authorization-Header.
- `403`: Tier-Insufficient — Endpoint braucht höheren API-Tier. Response enthält upgrade_url.
- `404`: Not-Found — Resource existiert nicht oder gehört nicht dem aktuellen User.
- `429`: Rate-Limit überschritten — Tier-Quota (hourly/daily) oder Per-Endpoint-Quota erreicht. Retry-After-Header gesetzt.
- `500`: Internal Error.
- `503`: Upstream-Failure — Datenquelle nicht erreichbar (Binance, EODHD, etc.).

---

[API](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api.md) · [All operations](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api/revisions/f82e8d6eecd7?raw)