BTC/USD
$84,183.08
+1.22%◉Market data provider
Real-time market data, kept simple.
flowsig.io gives trading teams and personal projects a cleaner path to normalized feeds and real-time market data.
Normalized quotesConsistent schemasExecution-friendly feeds
ETH/USD
$2,473.42
+0.62%SOL/USD
$107.27
+0.34%XRP/USD
$1.3628
+1.75%AAPL
$343.67
+1.89%MSFT
$530.64
+0.72%GOOGL
$333.16
-2.59%AMZN
$261.25
-0.99%RKLB
$53.09
+0.85%SPCX
$157.71
-1.80%SPY
$770.08
-0.31%QQQ
$720.43
-0.18%
EUR/USD
$1.1235
+0.05%GBP/USD
$1.3392
+0.14%BTC/USD
$84,183.08
+1.22%ETH/USD
$2,473.42
+0.62%SOL/USD
$107.27
+0.34%XRP/USD
$1.3628
+1.75%AAPL
$343.67
+1.89%MSFT
$530.64
+0.72%GOOGL
$333.16
-2.59%AMZN
$261.25
-0.99%RKLB
$53.09
+0.85%SPCX
$157.71
-1.80%SPY
$770.08
-0.31%QQQ
$720.43
-0.18%EUR/USD
$1.1235
+0.05%GBP/USD
$1.3392
+0.14%Product
Every instrument type, one normalized feed
Crypto spot and perpetuals, US equities, ETFs, indexes and forex share the same catalog, the same payload language and the same delivery guarantees.
Quotes, trades, candles, order books, statistics and funding snapshots stay identical across discovery, charting and execution tools.
Crypto spot
Aggregated spot prices for major digital assets.
Perpetual futures
Mark price, funding rate and open interest per contract.
US equities
Real-time quotes for US-listed stocks.
ETFs
Index, sector and commodity funds.
Indexes
Benchmark index levels, updated continuously.
Forex
Major currency pairs, around the clock.
BBOTradesReal time / historical candlesOrder books24h statisticsFunding
Crypto spot quotes
Aggregated spot quotes for major digital assets. Streamed in real time over WebSocket, with history over REST.
Browse the full catalog →| Symbol | Price | 24h change |
|---|---|---|
| BTC/USD Bitcoin | $84,183.08 | ▲ +1.22% |
| ETH/USD Ethereum | $2,473.42 | ▲ +0.62% |
| SOL/USD Solana | $107.27 | ▲ +0.34% |
| XRP/USD XRP | $1.36279 | ▲ +1.75% |
| BNB/USD BNB | $747.90 | ▲ +0.56% |
| DOGE/USD Dogecoin | $0.08195 | ▼ -0.44% |
| ADA/USD Cardano | $0.22595 | ▲ +0.29% |
| AVAX/USD Avalanche | $9.685 | ▼ -1.14% |
| LINK/USD Chainlink | $12.5677 | ▲ +1.30% |
Supported markets
US equities and crypto assets in one surface area
Access broad US equity coverage alongside core crypto markets.
AAPL
US Equities
MSFT
US Equities
NVDA
US Equities
AMZN
US Equities
GOOGL
US Equities
META
US Equities
AAPL
US Equities
MSFT
US Equities
NVDA
US Equities
AMZN
US Equities
GOOGL
US Equities
META
US Equities
BTC
Crypto
ETH
Crypto
SOL
Crypto
XRP
Crypto
BNB
Crypto
USDT
Crypto
BTC
Crypto
ETH
Crypto
SOL
Crypto
XRP
Crypto
BNB
Crypto
USDT
Crypto
TSLA
US Equities
JPM
US Equities
IBKR
US Equities
USDC
Crypto
DOGE
Crypto
LINK
Crypto
TSLA
US Equities
JPM
US Equities
IBKR
US Equities
USDC
Crypto
DOGE
Crypto
LINK
Crypto
Integration
Real-time WebSocket and REST API access
WebSocket
Real-time streaming market data with low-latency continuous updates and resilient session handling.
REST API
Simple HTTP access for historical and on-demand market data, with predictable quotas and schemas.
const response = await fetch("https://flowsig.io/api/v1/ticker?symbol=msft", { headers: { Authorization: `Bearer ${process.env.FLOWSIG_API_KEY}` }, }) if (!response.ok) throw new Error("Ticker request failed") const { data } = await response.json() console.log(data.bestBid, data.bestAsk) // no market parameter: the synthetic market is the default
Pricing
Simple plans that scale with you.
Start free, and upgrade whenever you need higher quotas.
Free
$0
For prototyping & market experimentation.
- API quota (daily)
- 2,000
- WebSocket usage (monthly)
- 500 MB
- Requests / second
- 2
Premium
Popular$19/month
For live integrations that need higher quotas and real-time delivery.
- API quota (daily)
- 100,000
- WebSocket usage (monthly)
- 20.0 GB
- Requests / second
- 10
Business
$39/month
For production workloads that need the highest limits and throughput.
- API quota (daily)
- 500,000
- WebSocket usage (monthly)
- 100 GB
- Requests / second
- 100