---
title: "Altcoin Screener detail for one coin"
method: GET
path: "/api/v1/gem/scores/{coinId}"
tags: ["Altcoin Screener"]
---

# Altcoin Screener detail for one coin

`GET /api/v1/gem/scores/{coinId}`

## Request

- Base URL: `https://tradingstrategies.work`
- URL: `https://tradingstrategies.work/api/v1/gem/scores/{coinId}`
- Auth: HTTP bearer

Full score for a single coin by CoinGecko ID. Pro+ receives `factors_raw` with all 9 individual factor values plus `factors_semantics` (a3_drawdown_ath = CoinGecko intraday ATH across exchanges, not the Binance daily-close ATH of the asset snapshot). [Free tier]

## Path parameters

- `coinId` string, required

## Response `200`

Coin detail + optional factors_raw for Pro+.

- 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)