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WebSocketCrypto

Binance Spot WebSocket Market Streams

Binance Spot WebSocket Market Streams is a websocket from Binance providing crypto data. Binance's public WebSocket market data streams push real-time spot trades, klines (OHLCV candles), 24h tickers, best bid/ask and order-book depth for BTC/ETH and hundreds of altcoin pairs. As the deepest-liquidity spot venue, it serves as the de-facto reference price for Polymarket "will BTC/ETH close above $X" hourly and daily markets, letting a bot track the underlying live and anticipate market resolution.

At a glance

ProviderBinance
TypeWebSocket
CategoryCrypto
Real-timeYes — streaming
AuthNone — open endpoint
PricingFree (public market data streams; no API key or fees required) — Market data WebSocket streams: Free, no authentication, No subscription or per-message charge for public market data, Trading fees (only if placing orders, not for data): 0.10% maker/taker spot baseline, lower for VIP/BNB-discount tiers

What data it provides

  • Real-time individual + aggregate trade streams (price, size, side)
  • Kline/candlestick streams in 1s to 1M intervals (OHLCV)
  • 24h rolling ticker and mini-ticker statistics
  • Book ticker (best bid/ask price + quantity)
  • Order-book depth: diff updates and partial snapshots (5/10/20 levels)
  • Average price and reference price streams

Features

  • Update speeds: trades/book-ticker real-time; depth at 100ms or 1000ms; klines/tickers ~1000ms
  • Limits: 5 incoming msgs/sec/connection, up to 1024 streams/connection, 300 connections/5min/IP
  • Connections auto-disconnect after 24h; combined-stream multiplexing supported
  • Dedicated market-data-only endpoints (wss://data-stream.binance.vision, port 443/9443)
  • Broad coverage: hundreds of spot pairs incl. BTC/ETH and major altcoins
  • Mature ecosystem: official + community SDKs (python-binance, node, etc.)

Links

Use it in a bot

Other crypto data sources

Listed, not endorsed. Pricing and capabilities change without notice — check the provider's own documentation before you depend on anything here. Browse the full data feeds directory or the strategy database.
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