---
name: aster-api-market-data-v3
description: Public REST market data for Aster Futures API v3. Ping, time, exchangeInfo, depth, trades, klines, tickers, funding. Use when fetching market data. No auth.
---

# Aster API Market Data

**Base:** https://fapi.asterdex.com. All **GET**; query string params; no signature.

## Endpoints

| Endpoint | Weight | Key parameters |
|----------|--------|----------------|
| `GET /fapi/v3/ping` | 1 | None |
| `GET /fapi/v3/time` | 1 | None → `{ "serverTime": ms }` |
| `GET /fapi/v3/exchangeInfo` | 1 | None → symbols, filters, rateLimits, assets |
| `GET /fapi/v3/depth` | 2–20 | symbol (required), limit (5,10,20,50,100,500,1000; default 500) |
| `GET /fapi/v3/trades` | 1 | symbol, limit (default 500, max 1000) |
| `GET /fapi/v3/historicalTrades` | 20 | symbol, limit, fromId (MARKET_DATA) |
| `GET /fapi/v3/aggTrades` | 20 | symbol, fromId, startTime, endTime, limit (max 1000); startTime–endTime < 1h if both sent |
| `GET /fapi/v3/klines` | 1–10 | symbol, interval, startTime, endTime, limit (default 500, max 1500) |
| `GET /fapi/v3/indexPriceKlines` | 1–10 | pair, interval, startTime, endTime, limit |
| `GET /fapi/v3/markPriceKlines` | 1–10 | symbol, interval, startTime, endTime, limit |
| `GET /fapi/v3/premiumIndex` | 1 | symbol (optional) → markPrice, indexPrice, lastFundingRate, nextFundingTime |
| `GET /fapi/v3/fundingRate` | 1 | symbol, startTime, endTime, limit (default 100, max 1000) |
| `GET /fapi/v3/fundingInfo` | 1 | symbol (optional) → fundingIntervalHours, fundingFeeCap, fundingFeeFloor |
| `GET /fapi/v3/ticker/24hr` | 1 or 40 | symbol (optional; no symbol = 40 weight) |
| `GET /fapi/v3/ticker/price` | 1 or 2 | symbol (optional) |
| `GET /fapi/v3/ticker/bookTicker` | 1 or 2 | symbol (optional) |

## Depth weight by limit

- 5, 10, 20, 50 → 2
- 100 → 5
- 500 → 10
- 1000 → 20

## Kline weight by limit

- [1, 100) → 1; [100, 500) → 2; [500, 1000] → 5; >1000 → 10

## Intervals (klines)

1m, 3m, 5m, 15m, 30m, 1h, 2h, 4h, 6h, 8h, 12h, 1d, 3d, 1w, 1M

**Conventions:** REST symbols uppercase; WS lowercase; timestamps ms.

Payload shapes: [reference.md](reference.md).