# CheapCryptoAPI
> Unified crypto market REST API — 26 endpoints via /api/v1. Quotes, OHLC, indicators and news with a single key. Credit-based billing.

## Quickstart
```bash
curl -H "Authorization: Bearer sk_..." "/api/v1/getData?symbol=BTC+ETH"
```
```js
fetch("/api/v1/getData?symbol=BTC", { headers: { Authorization: 'Bearer ' + key } }).then(r => r.json())
```

## Auth
Recommended: `Authorization: Bearer <key>`. Alternatives: `X-Api-Key: <key>`, `?api_key=<key>`.
Key issued in dashboard /dashboard. Sent as Bearer, x-api-key or query api_key/apiKey (see proxy extractApiKey).

## Endpoints (summary)
| Endpoint | Group | Credits | Params |
|---|---|---|---|
| getBreakouts | Analytics | 1x per coin (symbols) | symbol |
| getConversion | Market Data | 1 | symbol, convert |
| getCryptoList | Market Data | 1 | — |
| getData | Market Data | 1x per coin (result.length / symbol count) | symbol |
| getDataCurrency | Market Data | 1x per coin (currency) | symbol, currency |
| getExchange | Market Data | 1x per coin (result.length) | symbol |
| getFearGreed | Market Data | 1 | — |
| getHistory | Market Data | 1x per row | symbol, date |
| getMarketBreadth | Analytics | 1x per coin (analyzed_symbols) | symbol |
| getOHLC | Market Data | 1x per candle (result) | symbol, interval |
| getOHLCIntraday | Market Data | 1x per bar (capped per interval) | symbol, interval, bars |
| getTickers | Market Data | 1x per coin (result.length) | symbol |
| getTimeframe | Market Data | 1x per row | symbol, interval |
| getTop | Market Data | 1x per coin (result.length) | top |
| getATHATL | Analytics | 3 | symbol |
| getPerformance | Analytics | 3 | symbol |
| getVolatility | Analytics | 3 | symbol |
| getNews | News | 10 | symbol |
| getTechnicalAnalysis | Technical Analysis | 10 | symbol |
| getATR | Technical Analysis | 100 | symbol |
| getBollinger | Technical Analysis | 100 | symbol |
| getCorrelation | Technical Analysis | 100 | symbol |
| getIchimoku | Technical Analysis | 100 | symbol |
| getMARibbon | Technical Analysis | 100 | symbol |
| getSupertrend | Technical Analysis | 100 | symbol |
| getSupportResistance | Technical Analysis | 100 | symbol |

## Links
- Full documentation: /docs
- Full LLM dump: /llms-full.txt
- OpenAPI: /openapi.json
- Base URL: `/api/v1` (upstream hint: `https://api.freecryptoapi.com/v1`)